Professional manufacturer of high-purity alumina sol Industrial grade high-purity alumina sol genuine manufacturers welcome inquiries for free samples. Uses: widely used as a base material for ceramics, high temperature resistant, PO film, refractory coatings, papermaking industry, water-based inorganic high temperature resistant coatings, ceramic surface transparent hardening coatings, 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