... packing supplier equiped with professional factory. SonPack K4600l Material: Aramid, PTFE.l Structure: Lattice braid.l Application Media: Abrasives, water, medium ... Generation. SonPack K4650l Material: expanded PTFE/Graphite (gPTFE), Aramid, PTFE.l Structure: Muti-yarn packing, made of expanded PTFE/Graphite yarn, reinforced with aramid fiber ...