Harbin Sanyong Metal Surface Technology Co., Ltd.

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SY-311 Bronze Series Colorant

SY-311 bronze‑series colorant is a pale yellow powder composed of divalent tin salts, iron salts, and organic acids. It is used for electrolytic coloring of aluminum anodized coatings, enabling the production of electrolytically colored films ranging from light champagne to bronze and black. Additionally, it suppresses the oxidation of divalent tin to tetravalent tin caused by dissolved oxygen, thereby enhancing the dispersing capacity of the electrolytic coloring bath. This product contains stannous sulfate and stabilizers, simplifying the process of controlling the bath composition.

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Technology Project Supporting Oxidation Dedicated Line 001

SY-311 Bronze Series Colorant

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