... .professional manufacturer of air filters 3.have good absorbability BGAC Carbon Fiber Features1.Using polyester, polyamide, nylon, etc. chemical synthetic fibers, ... of exterior and interior of the fiber, thick and thin fibers was fused together by hot-melt fibers, without any chemical ... . The integration between the fibers is closer, and the fiber is not easy to shed.4.Low flammability, fire resistance ...