... strength,excellent thermal shock resistance and electric insulation,SN rings can be used for chemical pressure vessels ... strength,excellent thermal shock resistance and electric insulation,SN rings can be used for chemical pressure ... strengthMPaPoisson's ratioLinear expansion coefficient10-6K-1Webuller modulus6.09.090010000.253.13.31215Thermal conductivityWmK-1Specific resistance ratioCorrosion ...