6
5
4
3
2
1
3
0.28
3 µm
27
roughened
Aluminum
3
0.18
10 µm
27
roughened
Aluminum
1
0.06–0.07
T
20–50
rough surface
Aluminum
9
0.03–0.06
LW
70
sheet, 4 samples
differently
scratched
Aluminum
9
0.05–0.08
SW
70
sheet, 4 samples
differently
scratched
Aluminum
2
0.04
T
20
vacuum deposited
Aluminum
5
0.83–0.94
SW
17
weathered, heavily
Aluminum
1
0.60
T
20
Aluminum bronze
1
0.28
T
powder
Aluminum hydrox-
ide
1
0.46
T
activated, powder
Aluminum oxide
1
0.16
T
pure, powder (alu-
mina)
Aluminum oxide
1
0.96
T
20
board
Asbestos
1
0.78
T
fabric
Asbestos
7
0.94
SW
35
floor tile
Asbestos
1
0.93–0.95
T
40–400
paper
Asbestos
1
0.40–0.60
T
powder
Asbestos
1
0.96
T
20
slate
Asbestos
8
0.967
LLW
4
Asphalt paving
1
0.22
T
20–350
dull, tarnished
Brass
9
0.04–0.09
SW
70
oxidized
Brass
9
0.03–0.07
LW
70
oxidized
Brass
2
0.61
T
100
oxidized
Brass
1
0.59–0.61
T
200–600
oxidized at 600°C
Brass
1
0.03
T
200
polished
Brass
2
0.03
T
100
polished, highly
Brass
154
Publ. No. T559382 Rev. a358 – ENGLISH (EN) – June 23, 2009
24 – Emissivity tables
Summary of Contents for Extech i5
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