Siliocn nitride riser tube has many excellent characteristics, such as corrosion resistance, low thermal expansion coefficient and long service life. It is the ideal material of the metallurgy industry because of the excellent oxidation resistance, heat-shock stability and no reaction with the metal solution. Features: 1. Excellent properties of corrosion resistance, thermal conductivity, heat shock resistance and abrasion resistance. 2. Good anti-division property and stable composition. 3. Low thermal expansion coefficient, high thermal conductivity and strength 4. Good oxidation resistance at high temperature
