... 3.length 900mm,1m,2m 4.wooden cast package PTFE sheet Polytetrafluoroethylene [PTFE, F4] is one of the best corrosion ... electrical insulation, and not the effects of temperature and frequency. In addition, it has not stained, non-absorbent, does not burn ... companyTianjin Hongyite Rubber Products Trading Co., Ltd., which is located in Tianjin City, mainly produces hydraulic and rubber products, such as ...