contact : info@trbandarn.com
TRB         contact : 973 - 278 - 9014(T) : 973 - 278 - 5124(F)
ANDARN  fax :973 - 523 - 2220 (T): 973 - 523 - 3140 {F)

AS9100C & ISO 9001:2008 Certified

Chemical Conversion and Coating on Aluminum
  • 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 
AMS-2473  Low resistance
AMS-2474