What material has high temperature resistance, good tightness, and soft as rubber?High temperature above 500
Such a high temperature, organic polymer materials can not meet, it is recommended to consider using asbestos materials, but the sealing problem should be considered.
Don't know you say what is the high temperature, silicon rubber sealing, rubber like soft, can withstand 250 degrees below the temperature. The fluorine rubber can withstand 300 degrees below the temperature, the price is slightly expensive.
