... .941-0.9652.Longitudinal Reversion, % (110(C)): <=33.Oxidation Induciton Time, min (200(C)): >=204.Extension Rate at Break. %: >=3505.Hydraulic Pressure ... Test:1)20(C), Hoop Stress is 12.4 Mpa, 100h: No Failure.2)80(C), Hoop Stress is 5.5Mpa ... , 165h: No Failure.3)80(C), Hoop Stress ...