Synthetic fluoroelastomer.

Chemically resistant to hydrocarbons (aromatic and aliphatic), oils, strong acids, oxidizing agents and chlorous solvents. Excellent resistance to abrasion and flexing. Good ozone and radiation protection. Impermeable to gas and steam. Shore hardness see table below. Density 1.9. Temperature range -20 to +200 °C (up to +300°C for short periods). Elongation at tear>250%. Suitable for transporting corrosive liquids.