Chemical Film Treatment

Chem Film, Chemical Film, or Chromate Conversion is a process used for applying a protective chromate coating onto aluminum, aluminum alloys, cadmium, magnesium, zinc, and also on zinc nickel deposits. Conversion coatings are formed when the chemicals in the chromate solution react with the base metals (i.e. aluminum, et.al.) dissolving the metal oxides and forming a complex hydrated metal oxide-chromate on the surface. The coating formed is corrosion resistant, durable and affords stable electrical conductivity. Chem Film can be used as final finish or can also serve as a base for paints, powder coats, lacquers, or as a base for rubber bonding.

Specification Specification Description Company
BPS-4182 Class 1A Chemical Film Treatment of Aluminum Bell
BPS-4182 Class 3 Chemical Film Treatment of Aluminum Bell
BAC 5719 (Immersion Only) Chemical Film Treatment of Aluminum Boeing
Mil-Dtl-5541 (Immersion Only) Chemical Film Treatment of Aluminum Boeing
AMS-C-5541 Chemical Film Treatment of Aluminum Lockheed
Mil-Dtl-5541 Chemical Film Treatment of Aluminum Lockheed
Mil-Dtl-5541 Chemical Film Treatment of Aluminum Parker Hannifin
MIL-DTL-5541 PWC-APU Program Pratt & Whitney
Mil-Dtl-5541 Chemical Film Treatment of Aluminum Sikorsky
SS 8486 Chemical Film Treatment of Aluminum Sikorsky
AMS 2473 Chemical Film Treatment of Aluminum Various
AMS 2474 Chemical Film Treatment of Aluminum Various
Mil-Dtl-5541 Chemical Film Treatment of Aluminum Various
Mil-Dtl-5541 Class 1A & 3 Chemical Film Treatment of Aluminum Vought
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Har-Conn Aerospace Inc.

5000 Augusta Drive
FORT WORTH, TX 76106

Tel: 817.626.5437

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