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 to 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)
Main Properties
ApplicationsCorrosion Removal
Markets Aerospace
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