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new ASTM international standard describes methods of preparing surfaces of hot-dip galvanised iron and steel for powder coating and the application of powder coating materials. ASTM D7803, Practice for Preparation of Zinc (Hot-Dip Galvanised) Coated Iron and Steel Product and Hardware Surfaces for Powder Coating, was developed by Subcommittee D01.46 on Industrial Protective Coatings.
