Conventional anodized films are susceptible to alkali and halogen elements; when the pH exceeds 7 or the concentration of halide ions surpasses 1 mol/L, the bright‑finished aluminum decorative coating will turn matte and milky white, eventually leading to corrosion and degradation.
Sanrong’s proprietary acid- and alkali-resistant anodized coating significantly enhances the corrosion resistance of aluminum alloy decorative components, enabling them to withstand the corrosive attack of solutions with pH 13.5 and pH 1 for a specified period.