FD101 Asbestos yarn dust free Asbestos yarn are twisted by two more strands of asbestos yarn and other fiber yarn. Asbestos metallic jointing yarn are twisted by asbestos yarn and metal wire. Heat-insulation material on thermal installations and heat conducting systems. Spec: Ø 0.75mm¡ª3.0mm. Max. working temperature: 350 oC. Others item supplied according to client's requirement.