... Industrial Wool Felt 1.Wear-resisting,Dustproof,Sound-insulated,Quakeproof 2.Factory sales 3.High Quality&Density Felt ... 2mm,the special specification can be orderedFeaturewear-resisting,dustproof,sound-insulated,quakeproof,seal, heat-insulationUsageThe products are mainly ... against dust. The products have good function in sealing, sound insulation, thermal insulation, insulation, heat insulation.It is ...