... USD/square meter 4)MOQ:500 kg Product’s NameWhite Wool feltsUsageOil-Filter,Seals,Padsand Gaskets in mechanical machine,Chemical industries ... ,Dust-proof,Warm-keeping,sound-absorbing.AdvantageThe wool felt products are made from raw wool. wool felt performance standards: GB FZ/T25001-92 ... annually produce up to 300 tons of various types of wool felts with thickness from 0.5mm to 40mm and density from ...