RayTek MI Miniature Infrared Sensor Tab Typical Emissivity Values for Metals

			Appendix
Polished	0.05-0.2	0.05-0.2	0.05-0.1
Rough	0.4	0.4	0.4
Oxidized	0.2-0.7	0.2-0.7	0.2-0.6
Magnesium	0.03-0.15	0.03-0.15	0.02-0.1
Mercury	0.05-0.15	0.05-0.15	0.05-0.15
Molybdenum
Oxidized	0.3-0.7	0.3-0.7	0.2-0.6
Unoxidized	0.1-0.15	0.1-0.15	0.1
Monel (Ni-Cu)	0.1-0.5	0.1-0.5	0.1-0.14
Nickel
Oxidized	0.3-0.6	0.3-0.6	0.2-0.5
Electrolytic	0.1-0.15	0.1-0.15	0.05-0.15
Platinum
Black	0.9	0.9	0.9
Silver	0.02	0.02	0.02
Steel
Cold-Rolled	0.8-0.9	0.8-0.9	0.7-0.9
Ground Sheet	0.5-0.7	0.5-0.7	0.4-0.6
Polished Sheet	0.1	0.1	0.1
Molten	0.1-0.2	0.1-0.2	—
Oxidized	0.7-0.9	0.7-0.9	0.7-0.9
Stainless	0.15-0.8	0.15-0.8	0.1-0.8
Tin (Unoxidized)	0.05	0.05	0.05
Titanium
Polished	0.1-0.3	0.1-0.3	0.05-0.2
Oxidized	0.5-0.7	0.5-0.7	0.5-0.6
Tungsten	0.05-0.5	0.05-0.5	0.03
Polished	0.05-0.25	0.05-0.25	0.03-0.1
Zinc
Oxidized	0.1	0.1	0.1
Polished	0.03	0.03	0.02

Tab. 10: Typical Emissivity Values for Metals

MI 85