GB/T 11376-2020
ActiveMetallic and other inorganic coatings—Phosphate conversion coating of metals
金属及其他无机覆盖层 金属的磷化膜
Application Summary AI generated
This standard specifies the requirements and test methods for phosphate conversion coatings applied to ferrous metals, aluminum, zinc, cadmium, and their alloys. It is used in the manufacturing industry to improve corrosion resistance, enhance paint adhesion, and provide a base for subsequent coatings on components such as automotive parts, fasteners, and machinery. The standard applies to production quality control and acceptance testing of phosphate coatings in industrial finishing processes.
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