Technical information


Emissivity table

The emissivity of a material is the relative ability of its surface to emit energy by radiation. It is necessary to estimate correct emissivity of surface while measuring temperature.

Material condition Temperature, C Emissivity
Rubber hard 23 0,94
  Rubber, Soft, Gray 24 0,86
       
Paints Black, CuO 24 0,96
  Red, Fe2O3 24 0,91
  Oil, Black 93 0,92
       
Al Unoxidized 25 0,02
  Unoxidized 500 0,06
  Oxidized 199 0,11
  Oxidized 599 0,19

Full tables are available for registered users only.

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