ADDITIONAL METAL FINISHING SERVICES

CHROMATE CONVERSION COATING (Chem-Film)

Precision Finishing, Inc. provides Chromate Conversion Coating (Chem-Film) services to Mil-DTL-5541 (Type I) spec in Clear and Gold. Chemical conversion coatings corrosion prevention on unpainted aluminum, and to also improve adhesion of aluminum painting and aluminum alloys. Chem-Film may be utilized for products where the exterior surface does not require paint, but the interior service does.

BRIGHT DIP

Precision Finishing’s Bright Dip anodizing process enhances the glossy appearance of aluminum for cosmetic applications, providing a reflective surface finish to the component. One advantage of bright dip is that it brightens aluminum and does not leave deposits on the surface of the part. The overall brightness varies depending on the type of aluminum alloy and surface finish.

PASSIVATION

PFI’s Passivation process utilized an acidic solution to treat the metal in order to reduce the chemical reactivity of its surface and protect against corrosion. One example of passivation is removing free iron from the surface of stainless steel in order to prevent rust.

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