... 95% -Executive Standard: ASTM-Status: Annealing Using temperature:: Within 2000°CHighest temperature:: 2400°C-Application:chemical industry ,aerospace ,spaceflight,surgical ... , smelting of quartz, glass and for high-temperature containers. It is made with FW-1. ... over 2000 degree centigrade high melting point, high-strength,outstanding thermal conductivity,excellent resistance to thermal impact ...