Rusting
0.5-0.7
Iron (Casting)
Oxidization
Non-Oxidization
Casting
0.6-0.95
0.2
0.2-0.3
Iron (Forging)
Passivation
0.9
Lead
Rough
Oxidization
0.4
0.2-0.6
Molybdenum
Oxidization
0.2-0.6
Nickel
Oxidization
0.2-0.5
Platinum
Black
0.9
Steel
Cold Rolling
Steel Plate Rubbing
Steel Plate Burnishing
0.7-0.9
0.4-0.6
0.1
Zinc
Oxidization
0.1
Non-Metal
Asbestos
0.95