... from ethylene propylene rubber. They are designed to combine the durability of rubber with the proven performance of hot-air weldable ... ,flaw,delamination,coherence,holeTensile strength retention,%≥90Elongation rate of keeping,%≥90 Low temperature bend-40°C, No ... blister,flaw,delamination,coherence,holeTensile strength retention,%≥90Elongation rate of keeping,%≥90Low-temperature bending-40°C, No crack ...