RayTek ThermoView Ti30 user manual Ni-Cu

	Material		Emissivity
		1.0µm	1.6µm	8-14µm
	Oxidized	0.5-0.9	0.4-0.9	0.2-0.6
	Unoxidized	0.25-0.35	0.1-0.35	0.1
Monel	(Ni-Cu)	0.3	0.2-0.6	0.1-0.14
Nickel
	Oxidized	0.8-0.9	0.4-0.7	0.2-0.5
	Electrolytic	0.2-0.4	0.1-0.3	n.r.
Platinum
	Black	n.r.	0.95	0.9
Silver		n.r.	0.02	n.r.
Steel
	Cold-Rolled	0.8-0.9	0.8-0.9	0.7-0.9
	Ground Sheet	n.r.	n.r.	0.4-0.6
	Polished Sheet	0.35	0.25	0.1
	Molten	0.35	0.25-0.4	n.r.
	Oxidized	0.8-0.9	0.8-0.9	0.7-0.9
	Stainless	0.35	0.2-0.9	0.1-0.8
Tin	(Unoxidized)	0.25	0.1-0.3	n.r.
Titanium
	Polished	0.5-0.75	0.3-0.5	n.r.
	Oxidized	n.r.	0.6-0.8	0.5-0.6
Tungsten		n.r.	0.1-0.6	n.r.
	Polished	0.35-0.4	0.1-0.3	n.r.
Zinc
	Oxidized	0.6	0.15	0.1
	Polished	0.5	0.05	n.r.
Table 2. Emissivity Values for Non-Metals
	Material		Emissivity
		1.0µm	1.6µm	8-14µm
Asbestos		0.9	0.9	0.95
Asphalt		n.r.	0.95	0.95
Basalt		n.r.	0.7	0.7
Carbon
	Unoxidized	0.8-0.95	0.8-0.9	0.8-0.9
	Graphite	0.8-0.9	0.7-0.9	0.7-0.8
Carborundum		n.r.	0.9	0.9
Ceramic		0.4	0.85-0.95	0.95
Clay		n.r.	0.85-0.95	0.95
Concrete		0.65	0.9	0.95
Cloth		n.r.	0.95	0.95
Glass
	Plate	n.r.	0.98	0.85
July 1, 2003		- 69 -		Version 1.0

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