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|Type:||Zink Plating||Item:||Chemical Auxiliary Agent|
Chrome-free Sealant, Black
1. Completely free of any hexavalent chromium and silver material, completely environmentally friendly high-tech.
2. The black color is not produced from nickel salt reaction.
3. Suitable for various zinc plating, and can produce a uniform black appearance.
4. Get white rust from neutral salt spray test up to 145 hours or more.
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