... Valve, heat exchanger 2) PTFE/TEFLON Virgin or with fillers (mineral and organic)Moulding Sheets, skived sheets, ... tape & Electrical insulation tapeEtched sheets or film and Glass back sheet (GBK)3) PCTFESheet, rods, and tubes4 ... rods, and tubes Virgin or with fillers (Glass fiber, carbon fiber, graphite, PTFE)Extrusion or hot compression moulding.6) UHMW-PE ... ,PA,UPVC,PRHH...). PTFE rod with graphite