... Tianjin Plastic Science & Technology Group Co., Ltd. is a manufacturing group company specialized in PTFE, PVC,BOPP,PEand PP production, including ... extrusion,calendering,density greater than 1.5g/m3,mainly used in aerospace,defense,chemical,electrical&electronic,medical and machinical industries high- ... constant (1MHz)<2.2Volume resistivity>1×1014Ω.m teflon unsintered tape for Wrapped PTFE wire