The product is amorphous white powder, with high insulation, insoluble in water and ordinary acid, soluble in caustic soda and hydrofluoric acid, high temperature does not decompose, has water absorption, non-toxic, tasteless. The product has the characteristics of non-bonding, anti-adhesion, anti-agglomeration, control release, flow aid, improving printing effect, surface modification, reinforcement, rheological control, whitening and so on, and can also be used as a special assistant and carrier for thermoplastic plastics.