Industrial grade aluminum sol manufacturer quotation Aluminum oxide sol is a genuine production enterprise with high purity and high-quality source of goods. It is widely used as a base material for ceramics, high-temperature resistant coatings, PO films, refractory coatings, papermaking industry, water-based inorganic high-temperature resistant coatings, transparent hardening coatings on ceramic surfaces, textile fibers, aluminum silicate fiber industry, anti-static treatment of fluff, etc. Usage: Add and use according to the user's formula. Aluminum sol is a colloidal solution of positively charged feather shaped alumina colloidal particles dispersed in water