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Emissivity tables 38
Table 38.1 T: Total spectrum; SW: 2–5 µm; LW: 8–14 µm, LLW: 6.5–20 µm; 1: Material; 2: Specification; 3:
Temperature in °C; 4: Spectrum; 5: Emissivity: 6:Reference (continued)
1 2 3 4 5 6
Iron, cast unworked 900–1100 T 0.87–0.95 1
Krylon Ultra-flat
black 1602 Flat black Room tempera-
ture up to 175 LW ≈ 0.96 12
Krylon Ultra-flat
black 1602 Flat black Room tempera-
ture up to 175 MW ≈ 0.97 12
Lacquer 3 colors sprayed
on Aluminum 70 SW 0.50–0.53 9
Lacquer 3 colors sprayed
on Aluminum 70 LW 0.92–0.94 9
Lacquer Aluminum on
rough surface 20 T 0.4 1
Lacquer bakelite 80 T 0.83 1
Lacquer black, dull 40–100 T 0.96–0.98 1
Lacquer black, matte 100 T 0.97 2
Lacquer black, shiny,
sprayed on iron 20 T 0.87 1
Lacquer heat–resistant 100 T 0.92 1
Lacquer white 100 T 0.92 2
Lacquer white 40–100 T 0.8–0.95 1
Lead oxidized at 200°C 200 T 0.63 1
Lead oxidized, gray 20 T 0.28 1
Lead oxidized, gray 22 T 0.28 4
Lead shiny 250 T 0.08 1
Lead unoxidized,
polished 100 T 0.05 4
Lead red 100 T 0.93 4
Lead red, powder 100 T 0.93 1
Leather tanned T 0.75–0.80 1
Lime T 0.3–0.4 1
Magnesium 22 T 0.07 4
Magnesium 260 T 0.13 4
Magnesium 538 T 0.18 4
Magnesium polished 20 T 0.07 2
Magnesium
powder T 0.86 1
Molybdenum 1500–2200 T 0.19–0.26 1
Molybdenum 600–1000 T 0.08–0.13 1
Molybdenum filament 700–2500 T 0.1–0.3 1
Mortar 17 SW 0.87 5
Mortar dry 36 SW
0.94 7
Nextel Velvet 811-
21 Black Flat black –60–150 LW > 0.97 10 and
11
#T810190; r. AJ/46209/46209; en-US
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