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Chemical Properties of Copper Alloys

Time:2026-07-28

Copper alloys will undergo chemical reactions when exposed to acids, alkalis, oxidants or reducing agents, and are prone to discoloration.

Copper alloys will undergo chemical reactions when exposed to acids, alkalis, oxidants or reducing agents, and are prone to discoloration. When chemical residues on fabrics react with metal chain teeth, sliders or bottom stops of zippers, zipper discoloration may occur. Such chemical reactions tend to take place under high temperature and high humidity conditions (e.g., sewn goods treated with steam ironing, sealed and stored in plastic bags for a long time, etc.). This phenomenon shall not be regarded as a zipper quality defect.

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