... when the temperature is below -185 degrees Celsius. PTFE gasket will be crisp. Pure PTFE gasket seal is a clean product, will no The ... full name of abroad, also known as PTFE Gasket PTFE gasket, or Teflon (Teflon) PTFE gasket from rods, tubes, plates or cut by machinery ... as good. PH value of 0-14 PTFE (melting of alkali metal and high temperature, high pressure, except the fluoride). In between ...