Material: woven fabric and needle felt made in polyester, polypropylene, Nomex, FMS, glassfiber, PTFE Dust collectore bag1. Served industriesCoal industrycement industry, asphalt industry, , carbon black industry, chemical industry, power plants, smelting industry, etc. 2.Construction: filters are carefully fabricated and sized to ensure ease of installation and change-out. Generally, dust ...