... :NXB200,NXB300,NXB350(1)Material: Made of special non-asbestos heat-resisting Fibre, heat-resisting packing material and nature or NBR rubber ... :non asbestos rubber sheet,asbestos free rubber sheet,caf asbestos free jointing sheet,asbestos sealing sheet,non asbestos sheet,compressed non asbestos,non asbestos seal sheet,asbestos free ...