PRELIMINARY -------- Work in progress (see issue related )

Treatment

Anodization :

fonts: Specification.pdf ISO standards for anodizing.pdf anodizing type decision tree.pdf

1. Anodization - ISO 7599 - AA 20 - glossy "color"

Anodizing to produce a decorative finish with a uniform or aesthetically pleasing appearance as the primary characteristic. Thickness classes are designated by the letters “AA” followed by the thickness grade. The "color" can be : black , white, blue or red

2. Anodization - ISO 10074 - 400 HV - "color"

Anodizing to produce a coating where high wear resistance or microhardness is its primary characteristic.

3.Anodization - MIL-A-8625F - type III - "color"

Is a very hard, high-performance type of anodizing used in the military see following doc. for details: MIL-A-8625F.pdf

Colours