... ,soundproof,not easily disformed,good quality sound acoustic insulation felt(1) density:0.09-0.8g/cm3 ... , heat-insulation(5) Use:mainly used for a variety of mechanical equipment,mechanical and electrical products,textile,chemical ... tools against dust. The products have good function in sealing, sound insulation, thermal insulation, insulation, heat insulation.(9)Contact information:Nangong City ...