Coatings on metal fasteners - Specification for phosphate or phosphate and oil coatings Ingestion-build-58863 Assembly of bursting disc safety

Assembly of bursting disc safety devices

This part of ISO/IEC 19784 is not required (and should normally not be referenced) when a complete biometric system is being procured from a single vendor

whether single

such as service provider

Coatings on metal fasteners - Specification for phosphate or phosphate and oil coatings Ingestion-build-58863 Assembly of bursting disc safety1 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