... 1.model::6-40,5-50,5-60,5-70,4-30,4-20,3-60 2.use:thermal insulation,rubber,brake,textile ... :1.Main chemical content is SiO2,MgO,crystal water etc.2.No magnetism,No conduction of electricity,Flame proof,Alkali proof ... .Application:1.It could be used in thermal insulation products.2.It could be used in rubber products.3.It could ...