... 3.ISO 9001:2008 100% Acrylic nonwoven needle punched felt 1.Good air permeability needle felt2.Excellent chemical resistance and ... FILTER MATERIAL CO.,LTDWWW.FILTERINDUSTRY.COM [product catalogue]1.filter cloth sieriesMade of pp,pe,pa(nylon) in plain,twill, ... satin construction,any dimension is available. 2.needle felt sieriesMade of polyester,polypropylene,acrilic,PPS,fiberglass,PTFE,P84,Nomex ...