NPFC - MIL-DTL-16232
PHOSPHATE COATING, HEAVY, MANGANESE OR ZINC BASE
Organization: | NPFC |
Publication Date: | 26 March 2021 |
Status: | active |
Page Count: | 17 |
scope:
Scope.
This specification covers two types of heavy phosphate coating for ferrous metals, applied by immersion. The coatings consist of a manganese phosphate or zinc phosphate base and, when specified, a supplementary treatment (see 6.1). For all types and classes, unless contraindicated on drawings or contract, materials containing hexavalent chromium should not be permitted on coated end items.
intended Use:
The "heavy" phosphate coating covered by this specification are intended as a base for holding/retaining supplemental coatings which provide the major portion of the corrosion resistance. "Light"... View More