application£º buffer rings and seals specification£º 1-80MMx500~2000MM(TXW) performance£º with middle pressure, good water proof, anti shock and sealing performance Specific Gravity£º1.6g/Cm3 Tensile strength£º¡Ý3.0MPa hardness£º70shore A Elongation£º¡Ý250% work temperature£º-30-70¡æ