Fasteners. Non-electrolytically applied zinc flake coatings

This standard provides specifications for the application of non-alkali zinc powder coating on fasteners. It outlines the requirements for the composition, application methods, and testing procedures to ensure the coating meets specified quality criteria. The document defines the necessary procedures for the preparation of samples, the evaluation of coating thickness, and the assessment of corrosion resistance. It also includes guidelines for the classification of coatings based on their performance characteristics. The standard is intended for use by manufacturers, suppliers, and users of fasteners to ensure consistency and reliability in the application of zinc powder coatings. It covers the technical details necessary for the proper application and testing of such coatings.