... advantageEc-friendly, anti-static, good wearability, dustproof, cushion, quakeproof, Heat preservation, heatproof, sound insulation, silencing, fire retardant, insulation.CertificationISO9001:2008 ... chemical industry,it can be used for cleaning the tube,filtering the chemical ,absorbing the oil which floats ... it has seal and friction use.Also the coloured wool felt can be used for making insoles,sole, ...