Supply ceramic grade alumina sol prices Customized ceramic grade alumina sol manufacturer Alumina sol, also known as ceramic grade alumina sol, is an inorganic polymer compound designed specifically for the ceramic industry. It is mainly composed of a colloidal solution formed by alumina Al ₂ O3 particles in water, with high specific surface area, excellent dispersibility, and stability. Physical Characteristics 1 Appearance: Aluminum oxide sol is usually colorless, transparent, or semi transparent,