compressed colour wool felt mateerial:wool thickness:0.5-60mm density: ... /cm3 certification:ISO;BV Name(ISO9001:2008 and BV certification)compressed colour wool feltDensity0.14-0.44g/cm3Specification1m x 1m or ... ,it has the function of oil absorption,seal,dustproof,sound insulation,heat insulation,insulation,waering resistance.In chemical industry,it can be used ...