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
HP 4-57	Chemical Film Treatment of Aluminum	Boeing
Mil-C-5541	Chemical Film Treatment of Aluminum	Curtis Wright
AMS 2473	Chemical Film Treatment of Aluminum	General Electric
Mil-C-5541	Chemical Film Treatment of Aluminum	General Electric
Mil-C-5541	Chemical Film Treatment of Aluminum	Goodrich
AMS 2473	Chemical Film Treatment of Aluminum	Honeywell
AMS 2474	Chem Film Treatment Of Aluminum	Honeywell
Mil-C-5541	Chemical Film Treatment of Aluminum	Honeywell
Mil-C-5541	Chemical Film Treatment of Aluminum	Messier Dowty
MIL-DTL-5541	Chemical Conversion Coatings for Aluminum, Type 1 Only	Northrop Grumman
Mil-C-5541	Chemical Film Treatment of Aluminum	Parker Hannifin
AMS 2473	Chemical Film Treatment of Aluminum	Pratt & Whitney / Raytheon
AMS 2474	Chem Film Treatment Of Aluminum	Pratt & Whitney / Raytheon
AMS 2477	Chemical Film Treatment of Aluminum	Pratt & Whitney / Raytheon
PWA 830 Code 2	Protective Treatment	Pratt & Whitney / Raytheon
AMS 2473	Chemical Film Treatment of Aluminum	Pratt & Whitney Canada / Raytheon
CPW 20 Code 2	Protective Treatments Chemical Film	Pratt & Whitney Canada / Raytheon
RPS436	Chemical Conversion For Aluminum	Rolls-Royce
SS 8486	Chemfilm	Sikorsky
SS 8521	MIL-DTL-5541	Sikorsky
SPOP 42	Chemical Film Treatment of Aluminum	SPOP
AMS 2473	Chemical Film Treatment of Aluminum	UTC Aerospace Sys. - Collins Aerospace
AMS-C-5541	Chemical Film Treatment of Aluminum	UTC Aerospace Sys. - Collins Aerospace
CP 14.12	Chemical Film Treatment of Aluminum	UTC Aerospace Sys. - Collins Aerospace
HS 14589	Chemical Film Treatment of Aluminum	UTC Aerospace Sys. - Collins Aerospace
HS 240	Chemical Film Treatment of Aluminum	UTC Aerospace Sys. - Collins Aerospace
MIL-C-5541, CLASS 1A, 3	Chemical Film Treatment of Aluminum	UTC Aerospace Sys. - Collins Aerospace
MIL-DTL-5541	Chemical Film Treatment of Aluminum	UTC Aerospace Sys. - Collins Aerospace
PN 14.12	Chemical Coating Aluminum	UTC Aerospace Sys. - Collins Aerospace

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