Product Manual

Emissivity tables18
Table 18.1 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
Plaster rough coat 20 T 0.91 2
Plastic glass fibre lami-
nate (printed circ.
board)
70
SW
0.94 9
Plastic glass fibre lami-
nate (printed circ.
board)
70 LW 0.91 9
Plastic polyurethane iso-
lation board
70 LW 0.55 9
Plastic polyurethane iso-
lation board
70
SW
0.29 9
Plastic
PVC, plastic floor,
dull, structured
70
SW
0.94 9
Plastic PVC, plastic floor,
dull, structured
70 LW 0.93 9
Platinum 100 T 0.05 4
Platinum 1000–1500 T 0.14–0.18 1
Platinum 1094 T 0.18 4
Platinum 17 T 0.016 4
Platinum 22 T 0.03 4
Platinum 260 T 0.06 4
Platinum 538 T 0.10 4
Platinum pure, polished 200–600 T 0.05–0.10 1
Platinum ribbon 900–1100 T 0.12–0.17 1
Platinum wire 1400 T 0.18 1
Platinum wire 500–1000 T 0.10–0.16 1
Platinum wire 50–200 T 0.06–0.07 1
Porcelain glazed 20 T 0.92 1
Porcelain white, shiny T 0.70–0.75 1
Rubber hard 20 T 0.95 1
Rubber soft, gray, rough
20 T 0.95 1
Sand
T 0.60 1
Sand
20 T 0.90 2
Sandstone
polished 19 LLW 0.909 8
Sandstone rough 19 LLW 0.935 8
Silver
polished 100 T 0.03 2
Silver pure, polished 200–600 T 0.02–0.03 1
Skin
human 32 T 0.98 2
Slag
boiler 0–100 T 0.97–0.93 1
Slag boiler 1400–1800 T 0.69–0.67 1
Slag boiler 200–500 T 0.89–0.78 1
Slag
boiler 600–1200 T 0.76–0.70 1
Snow: See Water
Soil
dry 20 T 0.92 2
Soil saturated with
water
20 T 0.95 2
#T559828; r. AC/ 9610/10386; en-US
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