... , textileindustry, seal, dustproof, cushion, quakeproof, heat preservation,heatproof,sound insulation, fire retardant,insulation.Filtration:air,petroleum,water.Polishing:marble,crystal,glass ... of wool felts with thickness from 0.5mm to 40mm and density from 0.09g/cm3 to 0.44g/cm3 and ... to market demands.Our buyers include Ma’anshan Iron and Steel (Group) Material Company, Australian Electrolux, American ...