General Tools and Instruments IRT730K - Manual (Page 15)

APPENDIX II
EMISSIVITIES OF COMMON MATERIALS
Material Emissivity Material Emissivity
Aluminum 0.30 Glass 0.90 to 0.95
Asphalt 0.95 Iron Oxides 0.78 to 0.82
Concrete 0.95 Paint 0.80 to 0.95
Asbestos 0.95 Plastic 0.85 to 0.95
Ceramics 0.95 Paper 0.70 to 0.94
Brass 0.50 Plaster 0.80 to 0.90
Brick 0.90 Rubber 0.95
Carbon 0.85 Wood 0.90
Sludge 0.94 Textile 0.94
Frozen Food 0.90 Lead 0.50
Hot Food 0.93 Marble 0.94
Ice 0.98 Cloth (black) 0.98
Snow 0.90 Sand 0.90
Human Skin 0.98 Water 0.93
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