金属材料表面经氧化和着色后，可提高其表面硬度、耐蚀性、 耐磨性、 耐光性和增加表面色彩。
Thesurface hardness, corrosion resistance, abrasion resistance and light fastness as well as the surface colour of metals can be improved through oxidizing and Colouring processing.
本产品具有良好的着色率和遮盖率，耐侯性好，遇硫化气体不变黑。可替代部分二氧化钛。
The product has good coloring and cover rate, good weather, when the same black sulfide gas. Can replace part of titanium dioxide.
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