Type II and Type III Anodizing Services
Type II Traditional Anodize (all colors)
Great Lakes Metal Finishing offers precise type II anodizing services for many industries. A sulfuric acid bath, this coating can be done in a clear non-dyed appearance or numerous colors such as black, blue, gold, olive drab, red, and green. If requested, other colors are may also be available. PFI provides type II colored anodizing for a variety of industries and applications including military, automotive, and aerospace.
Type II anodize is an aluminum only oxidation process with a thickness of coatings ranging from .0003-.0005 penetration and .0003-.0005 build up.
Type III Hard Coat Anodize
Great Lakes Metal Finishing offers pristine type III anodizing services to many industries. Type III hard coat anodizing is our most requested industrial coating. This coating process forms a thick oxide coating. (.001 penetration into the substrate and .001 build up.) The hard coat process increases the hardness of aluminum and is non-conductive after coating. Very hard aluminum oxide coating is approximately 65 RC. We hold Type III to military standards and it is available in black. Common uses for Type III black hard coat anodizing are fittings for compressors and automotive aluminum parts.
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Specs and Attributes
- Dielectric surface coating
- Improves the appearance of aluminum
- Improves abrasion resistance
- Improves corrosion resistance
- Plate to Mil-A-8625
- Masking is available for close tolerance parts