... , chemical plant, metallurgical plant, coal fired boiler, etc. Fiber glass needle felt applicable to the pulse jet bag filter system ... the industrial dust pollution, and recycle the valuable particles.Fiber glass blend with other high temperature resistance fiber needle felt, we ... fabrics, this fabrics mainly made by 5.5 micron diameter glass fiber blend with P84 (polyimide), aramid(Nomex), PPS (ryton) ...