Length: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 Feature: 1.Main chemical content is SiO2,MgO,crystal water etc. 2.No magnetism,No conduction of electricity,Flame proof,Alkali proof. 3.Fiber is tough,tensile and soft with better luster and spinnability. Application: 1.It could be used in thermal insulation products. 2.It ...