Specifications

Anodizing Sulphuric Acid    Mil. - A - 8625, Type II, Class 1 & 2

Colour System   Film Thickness, µm Colour Shades Resistance Overall Properties
  Class 1 Clear 5.0 - 10.0
7.5 Standard 		Clear Very Good Moderate electrical insulator,Good resistance to mild acids and alkalines, Excellent adhesion, Good lightfastness
Class 2 Organic 10.0 - 20.0
Over 12.5 for
best colouring 		Black, Bronze, Champagne, Stainless Steel, Clear, Grey, Gold, Green, Blue and Red Very Good Moderate electrical insulator, Good resistance to mild, acids and alkalines, Excellent adhesion, Good lightfastness

2-Step Electrolytic (Anolok)

Film Thickness, µm Colour Shades Resistance Overall Properties
10.0-20.0
12.5-15.0 for best colouring 		Champagne, Bronze, Black Outstanding Good electrical insulator,
Better resistance to mild acids and alkalines, Excellent adhesion, Excellent lightfastness
   

Chromate Conversion Mil. - C - 5541, Class 1A & 3

Colour System   Colour Shades Resistance Overall Properties
Class IA Yellow Dark Yellow Outstanding Excellent protection from corrosion, excellent adhesion for painting
Class III Clear Light Yellow, Clear Good Well suited for low electrical resistance applications
RoHS   Clear Outstanding Excellent protection from corrosion and excellent adhesion for painting