YRH
Coal Mining Infrared Camera
48
Zinc
Oxidizing at 400
℃
400
0.01
galvanized shining iron
plate
28
0.23
Ash zinc oxide
25
0.28
Non-metal materials
Temperature (
℃
)
Emissivity
approximation
Brick
1100
0.75
Fire brick
1100
0.75
Graphite (lamp black)
96
～
225
0.95
Porcelain
enamel
(white)
18
0.90
Asphaltum
0
～
200
0.85
Glass (surface)
23
0.94
Heat-resistance glass
200
～
540
0.85
～
0.95
Calcimine
20
0.90
Oak
20
0.90
Carbon piece
0.85
Isolation piece
0.91
～
0.94
Sheet metal
0.88
～
0.90
Glass pipe
0.90
Loop type
0.87
Porcelain enamel
products
0.90
Porcelain enamel
designs
0.83
～
0.95
Solid materials
Capacitor
Circumrotating type
0.30
～
0.34
Chemical type
0.25
～
0.36
