Coatings on metal fasteners - Specification for phosphate or phosphate and oil coatings Ingestion-build-52208 These are covered by PAS

These are covered by PAS 1188-1

is beyond the limitations of the test facility

BS 6349-3 has been revised by experts to bring it in line with technological developments and industry best practice

By applying BS 9220 N004

Coatings on metal fasteners - Specification for phosphate or phosphate and oil coatings Ingestion-build-52208 These are covered by PAS1 Scope This Part of BS 7371 specifies requirements for phosphate or phosphate and oil coatings on metal fasteners and accessories, applied by immersion or spraying. NOTE 1 Phosphate coatings are primarily intended for application to ferrous, zinc or zinc alloy fasteners. NOTE 2 Phosphate coatings can be used as an undercoat to improve the corrosion resistance and adhesion of a subsequently applied top coat (e. g. organic coating). NOTE 3 Phosphate