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Emissivity tables 46
Table 46.1 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
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
Nichrome rolled 700 T 0.25 1
Nichrome sandblasted 700 T 0.70 1
Nichrome wire, clean 50 T 0.65 1
Nichrome wire, clean 500–1000 T 0.71–0.79 1
Nichrome wire, oxidized 50–500 T 0.95–0.98 1
Nickel bright matte 122 T 0.041 4
Nickel commercially
pure, polished 100 T 0.045 1
Nickel commercially
pure, polished 200–400 T 0.07–0.09 1
Nickel electrolytic 22 T 0.04 4
Nickel electrolytic 260 T 0.07 4
Nickel electrolytic 38 T 0.06 4
Nickel electrolytic 538 T 0.10 4
Nickel electroplated on
iron, polished 22 T 0.045 4
Nickel electroplated on
iron, unpolished 20 T 0.11–0.40 1
Nickel electroplated on
iron, unpolished 22 T 0.11 4
Nickel electroplated,
polished 20 T 0.05 2
Nickel oxidized 1227 T 0.85 4
Nickel oxidized 200 T 0.37 2
Nickel oxidized 227 T 0.37 4
#T810169; r. AN/42241/42268; en-US 145