ircon Modline 5 - Page 141

Applications Guide
Modline 5
Rev. L6 Feb 2017 139
Material
Emissivity Range by Sensor Series
52, 5R
(One Color Mode)
5G
56
Plastics
all 1/8" thick
–
–
0.90-1.00
polyester film (mylar), 0.0002" thick*
–
–
~ 0.10
polyethylene film, 0.0002" thick*
–
–
~ 0.10
Rubber
–
–
0.95-1.00
Salt Baths
0.95-1.00
0.95-1.00
0.95-1.00
Silicon, solid polished 0.5 mm-thick wafer
–
–
–
Silicon, molten
~ 0.30
~ 0.30
–
Silicon, Carbide
0.80-0.85
0.80-0.85
0.80-0.85
Textiles, Fabrics
Carpet (cotton, wool, synthetic)
–
–
–
Fabrics, close weave (cotton, wool,
synthetic)*³
–
–
–
Leather
–
–
–
Water, 0.0002" film
–
–
–
Wood
–
–
–
Code 4
³ Emissivity values may be significantly lower than shown for very sheer materials.
4
Note that objects with even a very thin coating of water have very high emissivities.
Table 20: Emissivity Values of miscellaneous Materials (Continued)