... paint, palette, etc.2) Abrasive material and ceramic industry: building sand, mica, alumina, abrasive, refractory material, slurry, etc.3) ... water reclamation, etc.5) Metallurgy and mining industry: quartz sand, ore, titanium oxide, zinc oxide, etc.6) Mechanical ... industry: casting sand, powder metallurgy, electromagnetic material and metal powder, etc. 4 ...