酸性硅溶胶：是PH值2.0-4.0的范围内，阴离子二氧化硅体溶液

产品适用于：耐火材料、纤维类软制品、汽车零部件涂层、钢结构、铝型材（耐腐蚀性）Acidic Silica Sol: An anionic silica colloidal solution with a pH value in the range of 2.0–4.0.

Application: Refractory materials, flexible fiber products, automotive component coatings, steel structures, aluminum profiles (corrosion resistance).