PCR™-1640 Prepaint Corrosion Remover

PCR-1640 Prepaint Corrosion Remover is a concentrated acidic solution formulated to remove corrosion and heavy surface oxidation from exterior aluminum aircraft surfaces. It does not contain hydrofluoric acid. PCR-1640 produces an aluminum surface with a matte finish and is used prior to conversion coating, painting, anodizing, or welding.

Conforms

– SAE AMS 1640C Corrosion Removing Compound for Aircraft Surfaces (supersedes MIL-C-38334, Type I, Class I)

NSN# 6850-00-527-2426 (5 gallon), 6850-00-300-9008 (55 gallon)