GB/T 9791-2003
AbolishedChromate conversion coatings on zinc，cadmium，aluminium-zinc alloys and zinc-aluminium alloys--Test methods
锌、镉、铝-锌合金和锌-铝合金的铬酸盐转化膜 试验方法
Application Summary AI generated
This standard specifies test methods for evaluating the quality and performance of chromate conversion coatings applied to zinc, cadmium, aluminium-zinc, and zinc-aluminium alloys. It is used in manufacturing and quality control contexts, particularly for assessing coating thickness, corrosion resistance, and adhesion on metal parts such as fasteners, automotive components, and electronic enclosures. The standard ensures consistent testing procedures across industries that require protective or decorative chromate finishes.
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