... :1-4mm,5-8mm color:grey,white Main use: brake block type:A-360,A4-30,A5-70,A5-60 Used ... : heat resistant , asbestos sheet asbestos1. Analysis : Item No.6-40,5-50,5-60,5-70,4-30 ... chemical content is SiO2, MgO, crystal water etc.2) No magnetism, No conduction of electricity, Flame proof, Alkali proof.3) Fiber is ...