Beta 1760/IR1000 Mode D'emploi page 41

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Thermal
Substance
emissivity
Water 0.92 to 0.96
Ice 0.96 to 0.98
Snow 0.83
Glass 0.90 to 0.95
Ceramic 0.90 to 0.94
Thermal
Substance
emissivity
Lacquer
0.97
(matt)
Rubber
0.94
(black)
Plastic 0.85 to 0.95
Timber 0.90
Paper 0.70 to 0.94