EKHI

Materials

Curve 1

Temperature, K: 300 Wavelength Range, µm: 0.220-1.220 Geometry θ' ~0°: ~0° Reported Error, %: 2π

Wavelength / 𝜇m	Reflectance /
0.22	0.135
0.227	0.139
0.238	0.189
0.259	0.475
0.273	0.585
0.284	0.636
0.301	0.672
0.32	0.683
0.345	0.687
0.362	0.669
0.377	0.66
0.392	0.647
0.416	0.661
0.431	0.65
0.446	0.636
0.46	0.646
0.493	0.744
0.509	0.754
0.532	0.722
0.548	0.691
0.575	0.67

Curve 2

Temperature, K: 300 Wavelength Range, µm: 0.220-1.221 Geometry θ' ~0°: ~0° Reported Error, %: 2π

Wavelength / 𝜇m	Reflectance /
0.22	0.107
0.261	0.088
0.298	0.082
0.327	0.101
0.357	0.153
0.38	0.247
0.416	0.374
0.487	0.586
0.516	0.642
0.542	0.662
0.589	0.654
0.64	0.64
0.728	0.683
0.751	0.696
0.777	0.696
0.794	0.705
0.859	0.689
0.892	0.7
0.971	0.771
0.993	0.784
1.081	0.812
1.172	0.834
1.221	0.837

Curve 3

Temperature, K: 300 Wavelength Range, µm: 0.220-1.220 Geometry θ' ~0°: ~0° Reported Error, %: 2π

Wavelength / 𝜇m	Reflectance /
0.223	0.132
0.24	0.148
0.255	0.229
0.277	0.403
0.3	0.501
0.316	0.543
0.358	0.591
0.394	0.633
0.437	0.594
0.442	0.594
0.472	0.642
0.504	0.678
0.567	0.685
0.586	0.685
0.647	0.643
0.658	0.634
0.698	0.636
0.733	0.678
0.777	0.727
0.801	0.733
0.856	0.715
0.918	0.715
1.001	0.783
1.03	0.796
1.043	0.82
1.089	0.832
1.114	0.845
1.181	0.851
1.22	0.855

Curve 1

Temperature K: 298 Wavelength Range, µm: 0.440-0.600 Geometry θ θ': 0° Composition (weight percent), Specifications, and Remarks: SC 0021 manufactured by Carborundum Company; compacted powder at 10 950 psi.

Wavelength / 𝜇m	Reflectance /
0.44	0.885
0.46	0.825
4.4	0.04
4.8	0.04
5.1	0.26
5.7	0.47
6.2	0.231
6.7	0.051
8.6	0.1
10.8	0.19
12.0	0.244
15.8	0.418
18.9	0.381
22.4	0.094
25.4	0.088
27.0	0.145
28.8	0.142
34.0	0.142

Curve 1

Temperature K: 298 Wavelength Range, µm: 0.440-0.600 Geometry θ θ' ω': ~0° 2π Composition (weight percent), Specifications, and Remarks: Calcite; supplied by Whittaker, Clark, and Daniels; compacted powder at 10000 psi.

Wavelength / 𝜇m	Reflectance /
0.44	0.89
0.6	0.935

Curve 2

Temperature K: 298 Wavelength Range, µm: 0.400-0.600 Geometry θ θ' ω': ~0° 2π Composition (weight percent), Specifications, and Remarks: Above specimen and conditions except exposed to uv irradiation; 180 ESH with solar factor 3.

Wavelength / 𝜇m	Reflectance /
0.44	0.705
0.6	0.895

Curve 1

Temperature Range, K: 298 Wavelength Range, µm: 0.440-0.600 Geometry θ θ' ω': 0° Composition (weight percent), Specifications, and Remarks: Reagent grade supplied by Allied Chemical Co.; compacted powder at 10,000 psi.

Wavelength / 𝜇m	Reflectance /
0.44	0.945
0.6	0.97

Curve 2

Temperature Range, K: 298 Wavelength Range, µm: 0.440-0.600 Geometry θ θ' ω': 0° Composition (weight percent), Specifications, and Remarks: Above specimen and conditions except exposed to UV irradiation; 300 ESH with solar factor 3.

Wavelength / 𝜇m	Reflectance /
0.44	0.61
0.6	0.875

Curve 1

Temperature K: 298 Wavelength Range, µm: 0.380-0.700 Geometry θ θ' ω: 0° 2π Composition (weight percent), Specifications, and Remarks: KAOLIN; Ajax SC, calcined; powder (compact pressure 10⁴ psi); data extracted from smooth curve; [Author's designation: Sample 6].

Wavelength / 𝜇m	Reflectance /
0.38	0.673
0.419	0.764
0.427	0.773
0.434	0.78
0.492	0.82
0.507	0.834
0.531	0.849
0.595	0.873
0.645	0.882
0.666	0.884
0.681	0.883
0.69	0.889
0.7	0.89

Curve 2

Temperature K: 298 Wavelength Range, µm: 0.380-0.700 Geometry θ θ' ω: 0° 2π Composition (weight percent), Specifications, and Remarks: Above specimen and conditions except being exposed to simulated solar radiation at 4 suns for 67 hrs.

Wavelength / 𝜇m	Reflectance /
0.38	0.504
0.389	0.521
0.429	0.639
0.434	0.648
0.442	0.657
0.462	0.689
0.52	0.761
0.559	0.793
0.59	0.807
0.624	0.815
0.634	0.817
0.66	0.827
0.674	0.835
0.7	0.843

Curve 3

Temperature K: 298 Wavelength Range, µm: 0.382-0.700 Geometry θ θ' ω: 0° 2π Composition (weight percent), Specifications, and Remarks: KAOLIN; Ajax P, uncalcined; powder (compact pressure 10⁴ psi); data extracted from smooth curve; [Author's designation: Sample 1].

Wavelength / 𝜇m	Reflectance /
0.382	0.606
0.392	0.627
0.41	0.682
0.423	0.709
0.46	0.759
0.536	0.823
0.564	0.839
0.602	0.851
0.628	0.855
0.646	0.86
0.686	0.865
0.7	0.868

Curve 4

Wavelength / 𝜇m	Reflectance /
0.38	0.361
0.429	0.453
0.479	0.51
0.516	0.548
0.55	0.573
0.588	0.59
0.611	0.606
0.644	0.622
0.676	0.646
0.7	0.661

Curve 1

Temperature, K: 298 Wavelength Range, µm: 0.37-2.76 Geometry θ θ': 0° Reported Error, %: 2π Composition (weight percent), Specifications, and Remarks: Dicalite WB-5 (94.57 SiO₂, 2.35 Na₂O, 1.70 Al₂O₃, 0.90 Fe₂O₃, 0.25 MgO, 0.10 CaO, 0.07 TiO₂, 0.05 V₂O₅) in potassium silicate vehicle; pigment binder ratio 1.07:1; 6061-T6 Al plate (grit blasted with 40 mesh SiC) substrate; sprayed by air-brush; air dried overnight and then 395-415 K heat-cured for 24 hrs; data extracted from smooth curve "2-10-3". [Author's designation: Sample 2-10-3]

Wavelength / 𝜇m	Reflectance /
0.37	0.759
0.41	0.8
0.5	0.838
0.58	0.854
0.67	0.855
0.94	0.84
0.98	0.846
1.1	0.831
1.24	0.849
1.33	0.848
1.45	0.895
1.5	0.914
1.55	0.9
1.61	0.848
1.7	0.81
1.82	0.785
1.86	0.75
1.9	0.897
1.99	0.731
2.09	0.748
2.13	0.738
2.23	0.667
2.28	0.621
2.32	0.61
2.47	0.614
2.54	0.605
2.6	0.588
2.68	0.503
2.72	0.494
2.76	0.5

Curve 2

Temperature K: 298 Wavelength Range, µm: 0.440-0.600 Geometry θ θ' ω': ~0° 2π Composition (weight percent), Specifications, and Remarks: Al₂O₃·3P₂O₅; from Victor Chemical Co.; compacted powder at 10000 psi.

Wavelength / 𝜇m	Reflectance /
0.44	0.975
0.6	0.965

Curve 3

Temperature, K: 298 Wavelength Range, µm: 0.38-2.73 Geometry θ θ': 0° Reported Error, %: 2π Composition (weight percent), Specifications, and Remarks: Above specimen and conditions except exposed to simulated solar radiation at 4 suns for 67 hrs.

Wavelength / 𝜇m	Reflectance /
0.38	0.581
0.47	0.734
0.54	0.785
0.6	0.809
0.7	0.828
0.96	0.835
1.13	0.826
1.22	0.841
1.33	0.843
1.5	0.903
1.62	0.831
1.73	0.802
1.82	0.774
1.89	0.721
1.95	0.727
2.03	0.748
2.11	0.734
2.2	0.7
2.28	0.627
2.33	0.619
2.43	0.62
2.49	0.594
2.59	0.576
2.64	0.547
2.68	0.498
2.71	0.49
2.73	0.491

Curve 4

Temperature K: 298 Wavelength Range, µm: 0.440-0.600 Geometry θ θ' ω': ~0° 2π Composition (weight percent), Specifications, and Remarks: Above specimen and conditions except exposed to uv irradiation; 180 ESH with solar factor 3.

Wavelength / 𝜇m	Reflectance /
0.44	0.615
0.6	0.8

Curve 1

Temperature K: 298 Wavelength Range, µm: 0.440-0.600 Geometry θ θ': ~0° 2π Composition (weight percent), Specifications, and Remarks: Spinel, from Linde; compacted powder at 10000 psi.

Wavelength / 𝜇m	Reflectance /
0.44	0.975
0.6	0.97

Curve 2

Temperature K: 298 Wavelength Range, µm: 0.440-0.600 Geometry θ θ': ~0° 2π Composition (weight percent), Specifications, and Remarks: Above specimen and conditions except exposed to uv irradiation; 75 ESH with solar factor 1.5.

Wavelength / 𝜇m	Reflectance /
0.44	0.7
0.6	0.925

Curve 1

Temperature K: 298 Wavelength Range, µm: 0.440-0.600 Geometry θ θ' ω': ~0° 2π Composition (weight percent), Specifications, and Remarks: BARIUM CARBONATE, BaCO₃; reagent grade; supplied by Allied Chemical Co.; compacted powder at 10000 psi.

Wavelength / 𝜇m	Reflectance /
0.44	0.985
0.6	0.99

Curve 2

Wavelength / 𝜇m	Reflectance /
0.44	0.71
0.6	0.935

Curve 1

Temperature K: 298 Wavelength Range, µm: 0.440-0.600 Geometry θ θ' ω: ~0° 2π Composition (weight percent), Specifications, and Remarks: POTASSIUM PHOSPHATE, K₂O·P₂O₅; supplied by Victor Chemical Co.; compacted powder at 10000 psi.

Wavelength / 𝜇m	Reflectance /
0.44	0.995
0.6	0.99

Curve 2

Temperature K: 298 Wavelength Range, µm: 0.440-0.600 Geometry θ θ' ω: ~0° 2π Composition (weight percent), Specifications, and Remarks: Above specimen and conditions except exposed to uv irradiation; 180 ESH with solar factor 3.

Wavelength / 𝜇m	Reflectance /
0.44	0.65
0.6	0.875

Curve 1

Temperature K: 298 Wavelength Range, µm: 0.440-0.600 Geometry θ θ' ω': ~0° 2π Composition (weight percent), Specifications, and Remarks: ALUMINUM SILICATE, Al₂O₃·2SiO₂·2H₂O; Ajax P kaolin supplied by Georgia Kaolin Co.; compacted powder at 10000 psi.

Wavelength / 𝜇m	Reflectance /
0.44	0.73
0.6	0.845

Curve 2

Wavelength / 𝜇m	Reflectance /
0.44	0.465
0.6	0.6

Curve 3

Temperature K: 298 Wavelength Range, µm: 0.440-0.600 Geometry θ θ' ω': ~0° 2π Composition (weight percent), Specifications, and Remarks: ALUMINUM SILICATE, Al₂O₃·2SiO₂; Ajax SC kaolin supplied by Georgia Kaolin Co.; compacted powder at 10000 psi.

Wavelength / 𝜇m	Reflectance /
0.44	0.78
0.6	0.87

Curve 4

Wavelength / 𝜇m	Reflectance /
0.44	0.65
0.6	0.81

Curve 5

Temperature K: 298 Wavelength Range, µm: 0.440-0.600 Geometry θ θ' ω': ~0° 2π Composition (weight percent), Specifications, and Remarks: ALUMINUM SILICATE, 3Al₂O₃·2SiO₂; Mullite; supplied by Carborundum Co.; compacted powder at 10000 psi.

Wavelength / 𝜇m	Reflectance /
0.44	0.9
0.6	0.91

Curve 6

Wavelength / 𝜇m	Reflectance /
0.44	0.69
0.6	0.865

Curve 7

Temperature K: 298 Wavelength Range, µm: 0.440-0.600 Geometry θ θ' ω': ~0° 2π Composition (weight percent), Specifications, and Remarks: CALCIUM SILICATE, CaSiO₃; synthetic; supplied by Johns-Manville; compacted powder at 10000 psi.

Wavelength / 𝜇m	Reflectance /
0.44	0.86
0.6	0.9

Curve 8

Wavelength / 𝜇m	Reflectance /
0.44	0.58
0.6	0.81

Curve 9

Temperature K: 298 Wavelength Range, µm: 0.440-0.600 Geometry θ θ' ω': ~0° 2π Composition (weight percent), Specifications, and Remarks: CALCIUM SILICATE, CaSiO₃; Wollastonite C-1; supplied by Cabot; compacted powder at 10000 psi.

Wavelength / 𝜇m	Reflectance /
0.44	0.925
0.6	0.945

Curve 10

Wavelength / 𝜇m	Reflectance /
0.44	0.81
0.6	0.915

Curve 11

Temperature K: 298 Wavelength Range, µm: 0.440-0.600 Geometry θ θ' ω': ~0° 2π Composition (weight percent), Specifications, and Remarks: CALCIUM SILICATE, CaSiO₃; Wollastonite C-6; supplied by Cabot; compacted powder at 10000 psi.

Wavelength / 𝜇m	Reflectance /
0.44	0.92
0.6	0.935

Curve 12

Wavelength / 𝜇m	Reflectance /
0.44	0.7
0.6	0.865

Curve 13

Temperature K: 298 Wavelength Range, µm: 0.440-0.600 Geometry θ θ' ω': ~0° 2π Composition (weight percent), Specifications, and Remarks: MAGNESIUM SILICATE, 2MgO·SiO₂; AlSi Mag 243; supplied by American Lava Co.; compacted powder at 10000 psi.

Wavelength / 𝜇m	Reflectance /
0.44	0.33
0.6	0.59

Curve 14

Wavelength / 𝜇m	Reflectance /
0.44	0.355
0.6	0.6

Curve 1

Temperature, K: 298 Wavelength Range, µm: 0.380-0.700 Geometry θ' ω: 0° 2π Composition (weight percent), Specifications, and Remarks: Teflon (TFE 30 paint vehicle); 6061-T6 Al (grit blasted with 40 mesh SiC) substrate; sprayed; cured at 433 K for 16 hrs. [Author's designation: Sample No. 68]

Wavelength / 𝜇m	Reflectance /
0.38	0.852
0.445	0.849
0.482	0.84
0.543	0.82
0.655	0.798
0.689	0.787
0.7	0.784

Curve 2

Temperature, K: 298 Wavelength Range, µm: 0.380-0.700 Geometry θ' ω: 0° 2π Composition (weight percent), Specifications, and Remarks: Above specimen and conditions except being exposed to simulated solar radiation at 4 suns for 18.5 hrs.

Wavelength / 𝜇m	Reflectance /
0.38	0.653
0.441	0.695
0.528	0.736
0.555	0.746
0.621	0.753
0.682	0.753
0.7	0.751
0.3	0.8
0.36	0.81
0.4	0.82
0.58	0.82
0.62	0.81
0.74	0.8
0.78	0.8
0.82	0.76
0.96	0.84
1.08	0.89
1.2	0.91
2.45	0.95

Curve 1

Temperature K: 298 Wavelength Range, µm: 0.380-0.700 Geometry θ θ' ω': 0° Reported Error, %: 2π

Wavelength / 𝜇m	Reflectance /
0.38	0.917
0.399	0.92
0.428	0.938
0.484	0.941
0.499	0.946
0.545	0.955
0.641	0.967
0.7	0.968

Curve 2

Temperature K: 298 Wavelength Range, µm: 0.380-0.700 Geometry θ θ' ω': 0° Reported Error, %: 2π

Wavelength / 𝜇m	Reflectance /
0.38	0.407
0.396	0.409
0.407	0.415
0.422	0.428
0.446	0.431
0.455	0.434
0.461	0.437
0.579	0.441
0.688	0.449
0.7	0.454

Curve 1

Temperature Range, K: 298 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Z-93; ZnO in potassium silicate binder; substrate abraded with No. 60 Aloxite cloth; PBR 4.30.
[Authors' designation: Sample 6001]

Temperature / K	Absorptance /
298.0	0.164

Curve 2

Temperature Range, K: 298 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Above specimen and conditions except heat-treated (418 K for 16 hrs); time lapse, 1 day.

Temperature / K	Absorptance /
298.0	0.158

Curve 3

Temperature Range, K: 298 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Above specimen and conditions except heat-treated (773 K for 2 hrs); time lapse, 6 hrs.

Temperature / K	Absorptance /
298.0	0.149

Curve 4

Temperature Range, K: 298 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Similar to curve 41 specimen and conditions except after time lapse of 3 mo.

Temperature / K	Absorptance /
298.0	0.16

Curve 5

Temperature Range, K: 298 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Z-93; ZnO in potassium silicate binder; abraded magnesium silicate substrate; PBR 4.30.
[Authors' designation: Sample 6003]

Temperature / K	Absorptance /
298.0	0.165

Curve 6

Temperature Range, K: 298 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Similar to above specimen and conditions except heat-treated (418 K for 16 hrs); time lapse,
1 day.

Temperature / K	Absorptance /
298.0	0.158

Curve 7

Temperature Range, K: 298 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Similar to curve 45 specimen and conditions except heat-treated (973 K for 2 hrs); time lapse,
1 day.

Temperature / K	Absorptance /
298.0	0.158

Curve 8

Temperature / K	Absorptance /
298.0	0.159

Curve 9

Temperature Range, K: 298 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Similar to curve 45 specimen and conditions except after time lapse of 3 mo.

Temperature / K	Absorptance /
298.0	0.161

Curve 10

Temperature K: 298 Wavelength Range, µm: 0.440-0.600 Geometry θ θ' ω': ~0° 2π Composition (weight percent), Specifications, and Remarks: MAGNESIUM SILICATE, MgSiO₃·nH₂O; No. 140 Alabama talc; supplied by Whittaker, Clark, and Daniels; compacted powder at 10000 psi.

Wavelength / 𝜇m	Reflectance /
0.44	0.89
0.6	0.92

Curve 11

Wavelength / 𝜇m	Reflectance /
0.44	0.62
0.6	0.735

Curve 12

Temperature K: 298 Wavelength Range, µm: 0.440-0.600 Geometry θ θ' ω': ~0° 2π Composition (weight percent), Specifications, and Remarks: MAGNESIUM TRISILICATE; USP; supplied by Mallinckrodt; compacted powder at 10000 psi.

Wavelength / 𝜇m	Reflectance /
0.44	0.975
0.6	0.99

Curve 13

Wavelength / 𝜇m	Reflectance /
0.44	0.185
0.6	0.445

Curve 14

Temperature Range, K: 298 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Z-93; ZnO in potassium silicate binder; abraded alumina substrate; PBR 4.30. [Authors'
designation: Sample 6004]

Temperature / K	Absorptance /
298.0	0.168

Curve 15

Temperature / K	Absorptance /
298.0	0.159

Curve 16

Temperature Range, K: 298 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Similar to curve 50 specimen and conditions except heat-treated (973 K for 2 hrs); time lapse,
1 day.

Temperature / K	Absorptance /
298.0	0.16

Curve 17

Temperature / K	Absorptance /
298.0	0.16

Curve 18

Temperature Range, K: 298 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Similar to curve 50 specimen and conditions except after time lapse of 3 mo.

Temperature / K	Absorptance /
298.0	0.165

Curve 19

Temperature Range, K: 298 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Z-93; ZnO in potassium silicate binder; PBR 4.30; measured in vacuum (<3.0 x 10⁻³ mm Hg).
[Authors' designation; Sample 6005]

Temperature / K	Absorptance /
298.0	0.153

Curve 20

Temperature Range, K: 298 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Above specimen and conditions except exposed to 1000 ESH at solar factor of 11.7 suns.

Temperature / K	Absorptance /
298.0	0.159

Curve 21

Temperature Range, K: 279 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Z-93; ZnO in potassium silicate binder; PBR 4.3; air dried at 100% relative humidity; meas-
ured in vacuum (<10⁻³ mm Hg). [Authors' designation: Sample 7071]

Temperature / K	Absorptance /
279.0	0.153

Curve 22

Temperature Range, K: 279 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Above specimen and conditions except exposed to 2160 ESH at solar factor of 10.0 suns.

Temperature / K	Absorptance /
279.0	0.159

Curve 23

Temperature Range, K: 279 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Similar to curve 57 specimen and conditions except air dried at 0% relative humidity. [Authors'
designation: Sample 7072]

Temperature / K	Absorptance /
279.0	0.168

Curve 24

Temperature / K	Absorptance /
279.0	0.174

Curve 25

Temperature Range, K: 279 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Similar to curve 57 specimen and conditions except air dried at 35% relative humidity.
[Authors' designation: Sample 7073]

Temperature / K	Absorptance /
279.0	0.161

Curve 26

Temperature / K	Absorptance /
279.0	0.165

Curve 27

Temperature Range, K: 279 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: S-13; calcined (923 K for 16 hrs) SP-500 ZnO in RTV methyl silicone binder (0.127 mm thick);
n-Butanol solvent; PVC 30%; measured in vacuum (10⁻⁶ mm Hg).

Temperature / K	Absorptance /
279.0	0.196

Curve 28

Temperature Range, K: 279 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Above specimen and conditions except exposed to 2100 ESH at solar factor of 10.1 suns.

Temperature / K	Absorptance /
279.0	0.197

Curve 29

Temperature Range, K: 279 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Similar to curve 63 specimen and conditions except paint formulated using isooctane solvent.

Temperature / K	Absorptance /
279.0	0.21

Curve 30

Temperature / K	Absorptance /
279.0	0.18

Curve 31

Temperature / K	Absorptance /
279.0	0.198

Curve 32

Temperature / K	Absorptance /
279.0	0.147

Curve 33

Temperature Range, K: 278 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Z-93; SP-500 ZnO in potassium silicate binder; PBR 4.30; measured in vacuum (9 x 10⁻⁴ mm Hg).
[Authors' designation: Sample 7088]

Temperature / K	Absorptance /
278.0	0.114

Curve 34

Temperature Range, K: 278 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Above specimen and conditions except exposed to 1020 ESH at solar factor of 3.9 suns.

Temperature / K	Absorptance /
278.0	0.124

Curve 35

Temperature Range, K: 278 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Similar to curve 69 specimen and conditions. [Authors' designation; Sample 7089]

Temperature / K	Absorptance /
278.0	0.112

Curve 36

Temperature Range, K: 278 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: S-13; SP-500 ZnO in RTV-602 binder; measured in vacuum (30 x 10⁻⁶ mm Hg). [Authors'
designation; Sample 5068-1]

Temperature / K	Absorptance /
278.0	0.134

Curve 37

Temperature Range, K: 278 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Above specimen and conditions except exposed to 1020 ESH at solar factor of 3.9 suns.

Temperature / K	Absorptance /
278.0	0.151

Curve 38

Temperature Range, K: 278 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Similar to curve 72 specimen and conditions. [Authors' designation: Sample 5068-2]

Temperature / K	Absorptance /
278.0	0.136

Curve 39

Temperature Range, K: 278 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Above specimen and conditions except exposed to 1250 ESH at solar factor of 14.4 suns.

Temperature / K	Absorptance /
278.0	0.159

Curve 40

Temperature Range, K: 278 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: S-33; SP-500 ZnO in methyl silicone binder (Me/Si ratio 1.4); 30% PVC; measured in vacuum
(6 x 10⁻⁶ mm Hg). [Authors' designation; Sample 5012-1C]

Temperature / K	Absorptance /
278.0	0.204

Curve 41

Temperature Range, K: 278 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Above specimen and conditions except exposed to 1020 ESH at solar factor of 3.9 suns.

Temperature / K	Absorptance /
278.0	0.215

Curve 42

Temperature Range, K: 278 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Similar to curve 76 specimen and conditions.

Temperature / K	Absorptance /
278.0	0.199

Curve 43

Temperature Range, K: 278 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Similar to above specimen and conditions except exposed to 1250 ESH at solar factor of 14.4
suns.

Temperature / K	Absorptance /
278.0	0.206

Curve 44

Temperature Range, K: 279 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Z-93; calcined SP-500 ZnO in potassium silicate binder; PBR 4.30; spray application; measured
in vacuum (<10⁻³ mm Hg); fresh preparation. [Authors' designation: Sample 7135]

Temperature / K	Absorptance /
279.0	0.198

Curve 45

Temperature Range, K: 279 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Above specimen and conditions except exposed to 300 ESH at solar factor of 4.8 suns.

Temperature / K	Absorptance /
279.0	0.15

Curve 46

Temperature Range, K: 279 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Similar to curve 80 specimen and conditions except measured in vacuum (5 x 10⁻⁶ mm Hg).
[Authors' designation: Sample 7140]

Temperature / K	Absorptance /
279.0	0.15

Curve 47

Temperature Range, K: 279 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Above specimen and conditions except exposed to 4500 ESH at solar factor of 6.1 suns.

Temperature / K	Absorptance /
279.0	0.174

Curve 48

Temperature Range, K: 279 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Similar to curve 80 specimen and conditions except measured in vacuum (3.5 x 10⁻⁸ mm Hg).
[Authors' designation: Sample 7130]

Temperature / K	Absorptance /
279.0	0.15

Curve 49

Temperature Range, K: 279 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Above specimen and conditions except exposed to 7900 ESH at solar factor of 5.8 suns.

Temperature / K	Absorptance /
279.0	0.199

Curve 50

Temperature Range, K: 279 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: S-33; SP-500 ZnO in experimental R-9 methyl silicate resin binder (Me/Si ratio 1.4); n-butanol
solvent; spray application; measured in vacuum (<10⁻³ mm Hg). [Authors' designation:
Sample 5012-C3-2]

Temperature / K	Absorptance /
279.0	0.198

Curve 51

Temperature Range, K: 279 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Above specimen and conditions except exposed to 300 ESH at solar factor of 4.8 suns.

Temperature / K	Absorptance /
279.0	0.199

Curve 52

Temperature Range, K: 279 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Similar to curve 86 specimen and conditions except measured in vacuum (5 x 10⁻⁶ mm Hg).
[Authors' designation: Sample 5012-C3-3]

Temperature / K	Absorptance /
279.0	0.196

Curve 53

Temperature Range, K: 279 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Above specimen and conditions except exposed to 4500 ESH at solar factor of 6.1 suns.

Temperature / K	Absorptance /
279.0	0.211

Curve 54

Temperature Range, K: 279 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Similar to curve 86 specimen and conditions except measured in vacuum (3.5 x 10⁻⁸ mm Hg).
[Authors' designation: Sample 5012-C3]

Temperature / K	Absorptance /
279.0	0.219

Curve 55

Temperature Range, K: 279 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Above specimen and conditions except exposed to 7900 ESH at solar factor of 5.8 suns.

Temperature / K	Absorptance /
279.0	0.232

Curve 56

Temperature Range, K: 279 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: S-34; calcined SP-500 ZnO in RTV-602 binder; 40% PVC; n-butanol, solvent; catalyst,
GE SRC-05 (1 drop/20 g); spray application; measured in vacuum (<10⁻³ mm Hg).
[Authors' designation: Sample 5096-2]

Temperature / K	Absorptance /
279.0	0.19

Curve 57

Temperature Range, K: 279 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Above specimen and conditions except exposed to 300 ESH at solar factor of 4.8 suns.

Temperature / K	Absorptance /
279.0	0.186

Curve 58

Temperature Range, K: 279 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Z-94; calcined SP-500 ZnO in potassium silicate binder; PBR 6.45; spray application;
measured in vacuum (<10⁻³ mm Hg); preparation aged 5 mo. [Authors' designation:
Sample 7138]

Temperature / K	Absorptance /
279.0	0.138

Curve 59

Temperature Range, K: 279 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Above specimen and conditions except exposed to 300 ESH at solar factor of 4.8 suns.

Temperature / K	Absorptance /
279.0	0.135

Curve 60

Temperature Range, K: 279 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Similar to curve 94 specimen and conditions except measured at pressure of 5 x 10⁻⁶ mm Hg.
[Authors' designation: Sample 7143]

Temperature / K	Absorptance /
279.0	0.144

Curve 61

Temperature Range, K: 279 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Above specimen and conditions except exposed to 4500 ESH at solar factor of 6.1 suns.

Temperature / K	Absorptance /
279.0	0.163

Curve 62

Temperature Range, K: 279 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Similar to curve 94 specimen and conditions except measured at pressure of 3.5 x 10⁻⁸ mm Hg.
[Authors' designation: Sample 7133]

Temperature / K	Absorptance /
279.0	0.139

Curve 63

Temperature Range, K: 279 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Above specimen and conditions except exposed to 7900 ESH at solar factor of 5.8 suns.

Temperature / K	Absorptance /
279.0	0.187

Curve 64

Temperature Range, K: 279 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Z-93; calcined SP-500 ZnO in potassium silicate binder; PBR 4.30; spray application; meas-
ured in vacuum (<10⁻³ mm Hg); preparation aged 4 mo. [Authors' designation: Sample 7137]

Temperature / K	Absorptance /
279.0	0.138

Curve 65

Temperature Range, K: 279 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Above specimen and conditions except heat-treated at 773 K for 2 hrs. [Authors' designation:
Sample 7137 HT]

Temperature / K	Absorptance /
279.0	0.119

Curve 66

Temperature Range, K: 279 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Above specimen and conditions except exposed to 300 ESH at solar factor of 4.8 suns.

Temperature / K	Absorptance /
279.0	0.124

Curve 67

Temperature Range, K: 279 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Similar to curve 100 except measured at pressure of 5 x 10⁻⁶ mm Hg. [Authors' designation:
Sample 7142]

Temperature / K	Absorptance /
279.0	0.131

Curve 68

Temperature / K	Absorptance /
279.0	0.126

Curve 69

Temperature Range, K: 279 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Above specimen and conditions except exposed to 4500 ESH at solar factor of 6.1 suns.

Temperature / K	Absorptance /
279.0	0.152

Curve 70

Temperature Range, K: 279 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Similar to curve 100 specimen and conditions except measured at pressure of 3.5 x 10⁻⁸ mm Hg.
[Authors' designation: Sample 7132]

Temperature / K	Absorptance /
279.0	0.14

Curve 71

Temperature / K	Absorptance /
279.0	0.119

Curve 72

Temperature Range, K: 279 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Above specimen and conditions except exposed to 7900 ESH at solar factor of 5.8 suns.

Temperature / K	Absorptance /
279.0	0.172

Curve 73

Temperature Range, K: 279 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Z-93; calcined SP-500 ZnO in potassium silicate binder; PBR 4.30; spray application; measured
in vacuum (<10⁻³ mm Hg); preparation aged 4 mo. [Authors' designation: Sample 7131]

Temperature / K	Absorptance /
279.0	0.12

Curve 74

Temperature Range, K: 279 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Above specimen and conditions except exposed to 300 ESH at solar factor of 4.8 suns.

Temperature / K	Absorptance /
279.0	0.125

Curve 75

Temperature Range, K: 279 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Similar to curve 109 specimen and conditions except measured in vacuum (5 x 10⁻⁶ mm Hg).
[Authors' designation: Sample 7141]

Temperature / K	Absorptance /
279.0	0.133

Curve 76

Temperature Range, K: 279 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Above specimen and conditions except exposed to 4500 ESH at solar factor of 6.1 suns.

Temperature / K	Absorptance /
279.0	0.157

Curve 77

Temperature Range, K: 279 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Similar to curve 109 specimen and conditions except measured at pressure of 3.5 x 10⁻⁸
mm Hg. [Authors' designation: Sample 7131]

Temperature / K	Absorptance /
279.0	0.124

Curve 78

Temperature Range, K: 278 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Above specimen and conditions except exposed to 7900 ESH at solar factor of 5.8 suns.

Temperature / K	Absorptance /
279.0	0.12

Curve 79

Temperature Range, K: 279 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: S-34; calcined SP-500 ZnO in RTV-602 binder; 40% PVC; n-butanol solvent; catalyst GE
SRC-05 (1 drop/20 g); spray application; measured in vacuum (5 x 10⁻⁶ mm Hg). [Authors'
designation: Sample 5096-3]

Temperature / K	Absorptance /
279.0	0.238

Curve 80

Temperature Range, K: 279 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Above specimen and conditions except exposed to 4500 ESH at solar factor of 6.1 suns.

Temperature / K	Absorptance /
279.0	0.245

Curve 81

Temperature Range, K: 279 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: S-34; calcined SP-500 ZnO in RTV-602 binder; 40% PVC; n-butanol solvent; SRC-05 catalyst
(1 drop/20 g). [Authors' designation: Sample 5096-1]

Temperature / K	Absorptance /
279.0	0.189

Curve 82

Temperature Range, K: 279 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Above specimen and conditions except exposed to 7900 ESH at solar factor of 5.8 suns.

Temperature / K	Absorptance /
279.0	0.206

Curve 83

Temperature Range, K: 298 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: S-13; SP-500 ZnO in RTV-602 binder (0.025 mm thick); SRC-05 catalyst; toluene solvent;
spray application to primed surface; air dried.

Temperature / K	Absorptance /
298.0	0.33

Curve 84

Temperature Range, K: 298 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Similar to above specimen and conditions except 0.051 mm thick.

Temperature / K	Absorptance /
298.0	0.27

Curve 85

Temperature Range, K: 298 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Similar to above specimen and conditions except 0.076 mm thick.

Temperature / K	Absorptance /
298.0	0.25

Curve 86

Temperature Range, K: 298 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Similar to above specimen and conditions except 0.102 mm thick.

Temperature / K	Absorptance /
298.0	0.23

Curve 87

Temperature Range, K: 298 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Similar to above specimen and conditions except 0.127 mm thick.

Temperature / K	Absorptance /
298.0	0.22

Curve 88

Temperature Range, K: 298 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Similar to above specimen and conditions except 0.152 mm thick.

Temperature / K	Absorptance /
298.0	0.21

Curve 89

Temperature Range, K: 298 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Similar to above specimen and conditions except 0.203 mm thick.

Temperature / K	Absorptance /
298.0	0.2

Curve 90

Temperature Range, K: 298 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Similar to above specimen and conditions except 0.229 mm thick.

Temperature / K	Absorptance /
298.0	0.19

Curve 91

Temperature Range, K: 298 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Similar to above specimen and conditions except 0.254 mm thick.

Temperature / K	Absorptance /
298.0	0.18

Curve 1

Temperature, K: 298 Wavelength Range, µm: 0.39-2.78 Geometry θ θ' ω': 0° 2π Composition (weight percent), Specifications, and Remarks: ZnS in potassium silicate binder on 6061-T6 aluminum substrate; PBR 3.22; substrate
grit blasted with 40 mesh SiC; air-brush application; air dried overnight, then heat
cured at 395-415 K for 24 hrs; data extracted from smooth curve. [Author's
designation: 2-10-0]

Wavelength / 𝜇m	Reflectance /
1.37	0.806
1.41	0.795
1.48	0.81
1.63	0.746
1.73	0.716
1.87	0.7
1.92	0.673
1.97	0.67
2.01	0.683
2.11	0.713
2.15	0.7
2.2	0.65
2.26	0.6
2.29	0.568
2.36	0.546
2.43	0.537
2.59	0.499
2.63	0.478
2.71	0.416
2.73	0.41
2.78	0.411

Curve 2

Temperature, K: 298 Wavelength Range, µm: 0.39-2.78 Geometry θ θ' ω': 0° 2π Composition (weight percent), Specifications, and Remarks: Above specimen and conditions except exposed in vacuum (~10⁻⁴ mm Hg) to UV radiation
(from three AH-6 lamps) at 4 suns for 67 hrs.

Wavelength / 𝜇m	Reflectance /
0.39	0.579
0.4	0.607
0.44	0.773
0.49	0.826
0.58	0.86
0.62	0.858
0.68	0.7
0.72	0.65
0.76	0.688
0.78	0.82
0.87	0.925
0.93	0.934
1.06	0.905
1.2	0.892
1.24	0.87
1.31	0.816
1.38	0.808
1.92	0.687
1.97	0.694
2.03	0.719
2.22	0.677
2.28	0.619
2.3	0.587
2.37	0.566
2.55	0.537
2.6	0.514
2.66	0.462
2.71	0.437
2.78	0.424

Curve 3

Temperature, K: 298 Wavelength Range, µm: 0.380-0.700 Geometry θ θ' ω': 0° 2π Composition (weight percent), Specifications, and Remarks: ZnS in Leonite 201-8 binder on 6061-T6 aluminum substrate; PBR 0.67 substrate grit
blasted with 40 mesh SiC; sprayed; cured at 338 K for 24 hrs; data extracted from
smooth curve. [Author's designation: Sample No. 406-1B]

Wavelength / 𝜇m	Reflectance /
0.38	0.607
0.385	0.628
0.392	0.677
0.402	0.758
0.413	0.807
0.425	0.839
0.438	0.859
0.454	0.868
0.469	0.879
0.492	0.886
0.522	0.898
0.561	0.9
0.621	0.9
0.632	0.896
0.642	0.877
0.654	0.839
0.662	0.788
0.668	0.727
0.672	0.711
0.677	0.701
0.682	0.703
0.686	0.699
0.695	0.672
0.7	0.648

Curve 4

Temperature, K: 298 Wavelength Range, µm: 0.380-0.700 Geometry θ θ' ω': 0° 2π Composition (weight percent), Specifications, and Remarks: Above specimen and conditions except exposed in vacuum (~10⁻⁴ mm Hg) to UV radiation
(from three AH-6 lamps) at 4 suns for 18.5 hrs.

Wavelength / 𝜇m	Reflectance /
0.38	0.523
0.386	0.543

Curve 5

Wavelength / 𝜇m	Reflectance /
0.38	0.391
0.39	0.424
0.396	0.452
0.405	0.503
0.417	0.554
0.429	0.6
0.443	0.633
0.469	0.699
0.49	0.744
0.516	0.788
0.556	0.827
0.599	0.853
0.628	0.86
0.639	0.854
0.648	0.835
0.655	0.809
0.662	0.76
0.668	0.72
0.674	0.693
0.679	0.689
0.685	0.688
0.69	0.679
0.7	0.643

Curve 1

Temperature K: ~298 Wavelength Range, μm: 0.380-0.700 Geometry θ' θ'': ~0° Reported Error, %: 2σ Composition (weight percent), Specifications, and Remarks: Reagent grade supplied by Matheson, Coleman, and Bell; compacted powder at 10 000 psi; data extracted from smooth curve.

Wavelength / 𝜇m	Reflectance /
0.38	0.659
0.391	0.755
0.4	0.758
0.407	0.755
0.428	0.749
0.444	0.756
0.466	0.76
0.496	0.76
0.541	0.766
0.63	0.941
0.63	0.939
0.64	0.949
0.649	0.949
0.655	0.949
0.659	0.942
0.67	0.768
0.676	0.752
0.7	0.704

Curve 2

Temperature K: ~298 Wavelength Range, μm: 0.380-0.700 Geometry θ' θ'': ~0° Reported Error, %: 2σ Composition (weight percent), Specifications, and Remarks: Above specimen and conditions except exposed in vacuum (10⁻² mm Hg) to 75 ESH at solar factor 1.5 suns.

Wavelength / 𝜇m	Reflectance /
0.38	0.669
0.39	0.674
0.4	0.684
0.418	0.688
0.432	0.69
0.45	0.691
0.466	0.69
0.485	0.68
0.505	0.677
0.54	0.679
0.597	0.693
0.618	0.7
0.645	0.685
0.67	0.779
0.678	0.78
0.7	0.704
0.7	0.694

Curve 3

Temperature K: 298 Wavelength Range, μm: 0.380-0.700 Geometry θ' θ'': 0° Reported Error, %: 2σ Composition (weight percent), Specifications, and Remarks: Reagent grade; powder pressed at 10⁵ psi; data extracted from smooth curve; [Author's designation: Sample K].

Wavelength / 𝜇m	Reflectance /
0.38	0.887
0.445	0.916
0.51	0.931
0.54	0.943
0.565	0.947
0.591	0.945
0.61	0.945
0.62	0.942
0.636	0.962
0.646	0.996
0.65	0.996
0.667	0.779
0.671	0.762
0.675	0.759
0.682	0.707
0.689	0.741
0.7	0.703
0.7	0.682

Curve 4

Temperature K: 298 Wavelength Range, μm: 0.380-0.700 Geometry θ' θ'': 0° Reported Error, %: 2σ Composition (weight percent), Specifications, and Remarks: Above specimen and conditions except after being exposed to simulated solar radiation at 1.5 suns for 50 hrs.

Wavelength / 𝜇m	Reflectance /
0.38	0.44
0.395	0.477
0.438	0.742
0.44	0.78
0.622	0.806
0.641	0.941
0.65	0.95
0.7	0.697
0.38	0.916
0.42	0.842
0.45	0.855
0.54	0.87
0.6	0.746
0.62	0.783
0.64	0.933
0.65	0.955
0.68	0.74
0.7	0.695
0.75	0.952
0.8	0.965
0.85	0.975
0.9	0.968
0.95	0.966

Curve 5

Temperature K: 298 Wavelength Range, μm: 0.380-0.706 Geometry θ' θ'': 0° Reported Error, %: 2σ Composition (weight percent), Specifications, and Remarks: Above specimen and conditions except measured after subsequently being exposed to 4 suns for 87 hrs.

Wavelength / 𝜇m	Reflectance /
0.38	0.922
0.408	0.943
0.44	0.943
0.46	0.938
0.596	0.909
0.605	0.909
0.613	0.285
0.617	0.919
0.624	0.925
0.632	0.916
0.638	0.911
0.645	0.86
0.651	0.869
0.655	0.777
0.665	0.777
0.68	0.758
0.7	0.733

Curve 1

Temperature, K: 298 Wavelength Range, µm: 0.38-2.75 Geometry θ φ' ω': 0° 2π Composition (weight percent), Specifications, and Remarks: ZrO₂ in potassium silicate binder on 6061-T6 aluminum substrate; substrate grit blasted with 40 mesh SiC; sprayed with air-brush; air dried overnight, then heat cured at 395-415 K for 24 hrs; data extracted from smooth curve. [Author's designation: 2-11-3]

Wavelength / 𝜇m	Reflectance /
0.38	0.8
0.46	0.881
0.52	0.901
0.57	0.906
0.69	0.905
0.8	0.895
0.96	0.896
1.01	0.9
1.11	0.89
1.35	0.884
1.39	0.895
1.48	0.948
1.52	0.949
1.59	0.894
1.65	0.854
1.72	0.826
1.83	0.792
1.92	0.733
1.99	0.73
2.1	0.761
2.19	0.708
2.26	0.624
2.31	0.61
2.39	0.621
2.47	0.597
2.51	0.587
2.61	0.578
2.65	0.55
2.68	0.498
2.71	0.489
2.75	0.501

Curve 2

Temperature, K: 298 Wavelength Range, µm: 0.37-2.76 Geometry θ φ' ω': 0° 2π Composition (weight percent), Specifications, and Remarks: Above specimen and conditions except exposed in vacuum (~10⁻⁵ mm Hg) to UV radiation (from three AH-6 lamps) at 4 suns for 67 hrs.

Wavelength / 𝜇m	Reflectance /
0.37	0.6
0.48	0.767
0.57	0.832
0.65	0.862
0.7	0.871
0.84	0.871
0.89	0.879
0.98	0.882
1.1	0.871
1.21	0.898
1.28	0.887
1.3	0.878
1.45	0.917
1.52	0.913
1.55	0.9
1.61	0.843
1.75	0.818
1.81	0.797
1.88	0.728
1.9	0.714
1.99	0.716
2.08	0.724
2.2	0.687
2.26	0.615
2.29	0.596
2.42	0.595
2.49	0.57
2.59	0.554
2.65	0.5
2.7	0.476
2.76	0.473

Curve 3

Temperature, K: 298 Wavelength Range, µm: 0.380-0.700 Geometry θ φ' ω': 0° 2π Composition (weight percent), Specifications, and Remarks: ZrO₂ in TFE 30 binder on 6061-T6 aluminum substrate; PBR 0.66; substrate grit blasted with 40 mesh SiC; sprayed; dried at 298 K. [Author's designation: Sample No. 30]

Wavelength / 𝜇m	Reflectance /
0.38	0.755
0.412	0.773
0.423	0.777
0.438	0.777
0.501	0.748
0.527	0.731
0.558	0.716
0.607	0.695
0.647	0.681
0.7	0.666

Curve 4

Temperature, K: 298 Wavelength Range, µm: 0.380-0.700 Geometry θ φ' ω': 0° 2π Composition (weight percent), Specifications, and Remarks: Above specimen and conditions except exposed in vacuum (~10⁻⁵ mm Hg) to UV radiation (from three AH-6 lamps) at 4 suns for 18.5 hrs.

Wavelength / 𝜇m	Reflectance /
0.38	0.297
0.413	0.375
0.44	0.421
0.446	0.429
0.485	0.495
0.515	0.533
0.543	0.56
0.577	0.585
0.595	0.595
0.636	0.608
0.679	0.618
0.7	0.62

Curve 1

Temperature Range, K: 298 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Zirconium oxide in potassium silicate binder. [Authors' designation: Sample 7070]

Temperature / K	Absorptance /
298.0	0.2

Curve 2

Temperature Range, K: 298 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Above specimen and conditions except exposed in vacuum (10⁻⁹ mm Hg) at 279 K to 2160 ESH of UV radiation (AH-6 lamp) at solar factor of 10.0 suns; vacuum maintained by Vacion pump.

Temperature / K	Absorptance /
298.0	0.262

Curve 3

Temperature Range, K: 298 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Zirconium oxide in potassium silicate binder. [Authors' designation: Sample 7090]

Temperature / K	Absorptance /
298.0	0.157

Curve 4

Temperature Range, K: 298 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Above specimen and conditions except exposed in vacuum (3 x 10⁻⁸ mm Hg) at 278 K to 1020 ESH of UV radiation (AH-6 lamp) at solar factor of 3.9 suns; vacuum maintained by Ultek ion pump.

Temperature / K	Absorptance /
298.0	0.213

Curve 5

Temperature Range, K: 298 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Similar to curve 7 specimen and conditions. [Authors' designation: Sample 7091]

Temperature / K	Absorptance /
298.0	0.158

Curve 6

Temperature Range, K: 298 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Above specimen and conditions except exposed in vacuum (3 x 10⁻⁸ mm Hg) at 278 K to 1240 ESH of UV radiation (AH-6 lamp) at solar factor of 14.4 suns; vacuum maintained by Ultek ion pump.

Temperature / K	Absorptance /
298.0	0.291

Curve 7

Temperature Range, K: 298 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Zirconium oxide in potassium silicate binder; PBR 6.45; preparation aged 4 mo.; sprayed. [Authors' designation: Sample 7139]

Temperature / K	Absorptance /
298.0	0.104

Curve 8

Temperature Range, K: 298 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Above specimen and conditions except exposed in vacuum (<10⁻⁷ mm Hg) at 279 K to 300 ESH of UV radiation (AH-6 lamp) at solar factor of 4.8 suns; vacuum maintained by Ultek ion pump.

Temperature / K	Absorptance /
298.0	0.136

Curve 9

Temperature Range, K: 298 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Similar to curve 11 specimen and conditions. [Authors' designation: Sample 7144]

Temperature / K	Absorptance /
298.0	0.13

Curve 10

Temperature Range, K: 298 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Above specimen and conditions except exposed in vacuum (5 x 10⁻⁸ mm Hg) at 279 K to 4500 ESH of UV radiation (AH-6 lamp) at solar factor of 6.1 suns; vacuum maintained by Ultek ion pump.

Temperature / K	Absorptance /
298.0	0.247

Curve 11

Temperature Range, K: 298 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Similar to curve 11 specimen and conditions. [Authors' designation: Sample 7134]

Temperature / K	Absorptance /
298.0	0.099

Curve 12

Temperature Range, K: 298 Geometry θ: ~0° Composition (weight percent), Specifications and Remarks: Above specimen and conditions except exposed in vacuum (3.5 x 10⁻⁸ mm Hg) at 279 K to 7900 ESH of UV radiation (AH-6 lamp) at solar factor of 5.8 suns; vacuum maintained by Ultek ion pump.

Temperature / K	Absorptance /
298.0	0.333

Curve 1

Temperature, K: 298 Wavelength Range, µm: 0.37-2.75 Geometry θ θ' ω': 0° 2π Composition (weight percent), Specifications, and Remarks: ZrSiO₄ in potassium silicate binder on 6061-T6 aluminum substrate; substrate grit blasted with 40 mesh SiC; sprayed with air-brush; air dried overnight, then heat-cured at 395-415 K for 24 hrs; data extracted from smooth curve. [Author's designation: Sample 2-13-3]

Wavelength / 𝜇m	Reflectance /
0.37	0.673
0.44	0.77
0.52	0.825
0.62	0.86
0.7	0.873
0.83	0.876
0.92	0.868
1.0	0.881
1.11	0.863
1.24	0.879
1.33	0.877
1.49	0.916
1.55	0.899
1.67	0.839
1.72	0.823
1.79	0.821
1.84	0.8
1.9	0.764
1.95	0.751
2.14	0.76
2.18	0.748
2.21	0.725
2.25	0.675
2.3	0.643
2.36	0.629
2.45	0.609
2.51	0.589
2.6	0.59
2.71	0.503
2.75	0.514

Curve 2

Temperature, K: 298 Wavelength Range, µm: 0.38-2.76 Geometry θ θ' ω': 0° 2π Composition (weight percent), Specifications, and Remarks: Above specimen and conditions except exposed in vacuum (~10⁻⁵ mm Hg) to UV radiation (from three AH-6 lamps) at 4 suns for 67 hrs.

Wavelength / 𝜇m	Reflectance /
0.38	0.5
0.44	0.575
0.56	0.752
0.65	0.829
0.74	0.849
0.89	0.867
0.96	0.871
1.13	0.862
1.22	0.873
1.35	0.86
1.41	0.869
1.45	0.884
1.48	0.905
1.53	0.906
1.68	0.822
1.81	0.8
1.86	0.772
1.9	0.738
1.93	0.734
2.05	0.75
2.15	0.744
2.3	0.614
2.39	0.62
2.46	0.604
2.51	0.584
2.57	0.572
2.66	0.509
2.7	0.476
2.76	0.471

Curve 1

Temperature K: 298 Wavelength Range, µm: 0.440-0.600 Geometry θ θ' ω': ~0° 2π Composition (weight percent), Specifications, and Remarks: Milled zircon; supplied by Titanium Alloy Mfg; compacted powder at 10000 psi.

Wavelength / 𝜇m	Reflectance /
0.44	0.87
0.6	0.935

Curve 2

Wavelength / 𝜇m	Reflectance /
0.44	0.8
0.6	0.935

Curve 3

Temperature K: 298 Wavelength Range, µm: 0.440-0.600 Geometry θ θ' ω': ~0° 2π Composition (weight percent), Specifications, and Remarks: Superpax; supplied by Titanium Alloy Mfg; compacted powder at 10000 psi.

Wavelength / 𝜇m	Reflectance /
0.44	0.865
0.6	0.925

Curve 4

Wavelength / 𝜇m	Reflectance /
0.44	0.65
0.6	0.845

Curve 5

Temperature K: 298 Wavelength Range, µm: 0.440-0.600 Geometry θ θ' ω': ~0° 2π Composition (weight percent), Specifications, and Remarks: Superpax A; supplied by Titanium Alloy Mfg; compacted powder at 10000 psi.

Wavelength / 𝜇m	Reflectance /
0.44	0.855
0.6	0.905

Curve 6

Wavelength / 𝜇m	Reflectance /
0.44	0.64
0.6	0.825

Curve 7

Temperature K: 298 Wavelength Range, µm: 0.440-0.600 Geometry θ θ' ω': ~0° 2π Composition (weight percent), Specifications, and Remarks: Superpax A (HCl-leached); supplied by Titanium Alloy Mfg; compacted powder at 10000 psi.

Wavelength / 𝜇m	Reflectance /
0.44	0.89
0.6	0.925

Curve 8

Wavelength / 𝜇m	Reflectance /
0.44	0.57
0.6	0.755

Curve 9

Temperature K: 298 Wavelength Range, µm: 0.440-0.600 Geometry θ θ' ω': ~0° 2π Composition (weight percent), Specifications, and Remarks: CP; supplied by Titanium-Zirconium; compacted powder at 10000 psi.

Wavelength / 𝜇m	Reflectance /
0.44	0.755
0.6	0.84

Curve 10

Wavelength / 𝜇m	Reflectance /
0.44	0.555
0.6	0.715

Curve 11

Temperature K: 298 Wavelength Range, µm: 0.440-0.600 Geometry θ θ' ω': ~0° 2π Composition (weight percent), Specifications, and Remarks: Ultrox 1000W; supplied by Metal-Thermit; compacted powder at 10000 psi.

Wavelength / 𝜇m	Reflectance /
0.44	0.86
0.6	0.935

Curve 12

Wavelength / 𝜇m	Reflectance /
0.44	0.78
0.6	0.905

Curve 13

Temperature K: 298 Wavelength Range, µm: 0.380-0.700 Geometry θ θ' ω': 0° 2π Composition (weight percent), Specifications, and Remarks: Superpax A zircon; powder compacted at 10⁴ psi; data extracted from smooth curve; [Author's designation: Sample d].

Wavelength / 𝜇m	Reflectance /
0.38	0.789
0.391	0.8
0.399	0.815
0.406	0.832
0.415	0.841
0.431	0.853
0.439	0.855
0.448	0.854
0.456	0.862
0.535	0.885
0.607	0.904
0.678	0.909
0.687	0.911
0.693	0.911
0.7	0.914

Curve 14

Temperature K: 298 Wavelength Range, µm: 0.380-0.700 Geometry θ θ' ω': 0° 2π Composition (weight percent), Specifications, and Remarks: Above specimen and conditions except exposed to simulated solar radiation at 4 suns for 60 hrs.

Wavelength / 𝜇m	Reflectance /
0.38	0.489
0.42	0.594
0.464	0.686
0.501	0.74
0.527	0.767
0.573	0.808
0.604	0.83
0.646	0.845
0.663	0.847
0.671	0.852
0.684	0.858
0.7	0.865

Development of a stable “white” coating system