... and chemical capabilities, sound & heat insulation, abrasion proof, acid-resistant, non-toxic and odorless, etc. 3.Specification: Physical ... material, polishing paste, toothpaste, cosmetics, asphalt, cement, ceramic product, etc..5).Diatomite is widely used as thermal insulation ... with a rigidity of 5.6-6.5, acid-base resistant, wear-resisting, sliding, the unique microporous structure ...