- This process treat aluminum to form protective film to prevent corrosion for indoor application
- Used as a primer or bonding coating for paint
- Used to produce conductive coating to prevent corrosion in the electronic applications.
- Coating is also referred to as Iridite, Alodine, Chemical film, yellow chromate.
Chemical conversion coating/Chromate conversion coating/Chemical film/ Iridite/Alodine/ yellow and clear coating on aluminum are covered by following specifications.
TRB/Andarn has capabilty to perform and certify finishining to the following specifications
|Specification||Salt spray requirement to indicate corrosion resistant||Other test requirement|
|Mil-C-5541E, Class 1A and 3Yellow color unless specified otherwise||168 Hours||Paint adhesion test, low resistance for class 3|
|Mil-Std-171D, Finish # 7.3.1 and 7.3.3|
|Mil-F-14072Finish # E512(Class 3) and E513(Class 1A)|
|Mil-Std-186E, Finish #208|