Harbin Sanyong Metal Surface Technology Co., Ltd.

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HarbinChemical Conversion Coatings on Aluminum, Magnesium, and Titanium Alloys

HarbinFunctional Electroplating and Chemical Plating

HarbinMicro-arc oxidation of aluminum, magnesium, and titanium alloys

HarbinFunctional anodic oxide film on aluminum alloy

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HarbinSY-313 gray colorant

SY-313 gray colorant is a gray‑white powder used for electrolytic coloring of anodized aluminum profiles, enabling the production of gray‑to‑dark gray and black electrolytic color films with uniform hue, excellent dispersibility and reproducibility, bright surface finish, and superior bath stability. Its component concentrations and ratios remain largely constant, ensuring long service life and no precipitate formation. The manufacturing process is easy to control, resulting in minimal color variation; its wear resistance, corrosion resistance, and weatherability outperform those of conventional gray colors, while also delivering outstanding gloss on the colored aluminum.

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HarbinElectrolytic coloring

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Product Description

SY-313 gray colorant is a gray‑white powder used for electrolytic coloring of anodized aluminum profiles, enabling the production of gray‑to‑dark gray and black electrolytic color films with uniform hue, excellent dispersibility and reproducibility, bright surface finish, and stable bath chemistry. Its component concentrations and ratios remain largely consistent, resulting in long service life and no precipitate formation. The manufacturing process is easy to control, yielding minimal color variation; its wear resistance, corrosion resistance, and weatherability surpass those of conventional gray colors, while also ensuring that the colored aluminum exhibits superior luster.

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