Low Friction Poly Tetra Fluoro Ethylene Balls combine features like electrical and thermal insulation, slipperiness and high chemical resistance. These Balls functions in a temperature ranging from -100° F to +400° F [-73°C to 204°C]. These Poly Tetra Fluoro Ethylene Balls are made using quality grade poly tetra fluoro ethylene material to ensure fine finish and long lasting usage. Low Friction Poly Tetra Fluoro Ethylene Balls have excellent thermal and electrical insulation properties.