... felt made in polyester, polypropylene, Nomex, FMS, glassfiber, PTFE 1.Material woven fabric and needle felt made in polyester ... , polypropylene, Nomex, FMS, glassfiber, PTFE.2.Served industriesCoal industry, cement industry, asphalt industry, carbon ... finishes can be applied to either side of the dust collector bag to enhance cleaning and efficiencies, as well as prolonging ...