BS ISO 22779 pdf download Metallic coatings — Physical vapour-deposited coatings of aluminium — Specification and test methods 6.1.2 Equipment and materials a)The equipment, process and materials used to produce physical vapour-deposited aluminium shall becapable of producing a uniform coating, covering completely all significant surfaces,including roots of threads, recesses, sharp corners, holes and other areas specified in the drawing, contract...