Expanded PTFE sealant joints are made of pure PTFE dispersion resin through special technology. These joints is soft and excellent elasticity and can be easily stick on the doors of flanges, especially for sealing in places of medium or low pressure. Features and Specifications: 1) working temperature: -240 ~ 280oC 2) working pressure: 5Mpa 3) pH range: 0 - 14 4) Standard: Extent 3mm~30mm Thickness 1.5mm~7mm Length 5m/Site~30m/Site Outer packing: Carton