... friendly,soundproof,not easily disformed,good quality sound acoustic insulation felt(1) density:0.09-0.8g/cm3 ... Character:wear-resisting,dustproof,sound-insulated,quakeproof,seal, heat-insulation(5) Use:mainly used for a variety of ... The products have good function in sealing, sound insulation, thermal insulation, insulation, heat insulation.(9)Contact information:Nangong City Dingfeng Felt Co., ...