Twisted with two or more strands of asbestos fiber. Extensively used as culking, sealing and heat insulation materials on thermal installations and heat conduction systems operated at temperatures up to 250-550, And also used for making other...
Twisted with two or more strands of dust free asbestos fiber. Extensively used as culking, sealing and heat insulation materials on thermal installations and heat conduction systems operated at temperatures up to 480-550, And also used for making...