ALCOA Specifications for Anodizing Aluminum

ALCOA
Specification	Coating Thickness	ADT	Remarks
Alumilite 201	> 0.1 mil (2.5 µm)	None	Clear - equivalent to Alum. Assoc. A211
Alumilite 202	> 0.2 mil (5.0 µm)	None	Clear - equivalent to Alum. Assoc. A212
Alumilite 204	> 0.4 mil (10 µm)	None	Clear - equivalent to Alum. Assoc. A31
Alumilite 215	> 0.7 mil (18 µm)	None	Clear - equivalent to Alum. Assoc. A41

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