1. Extreme High-Temperature Performance: Stable long-term operation at extreme temperatures ranging from 1600℃ to 2100℃, far exceeding most metal or ceramic crucibles on the market. 2. Superior Chemical Stability and Purity: Exhibits excellent corrosion resistance to many molten metals (such as rare earth and alkali metals), oxides, and silicate melts, with extremely low impurity content, ensuring maximum purity of the smelting materials. 3. Excellent Thermal Properties: High thermal conductivity ensures uniform temperature, and a low coefficient of thermal expansion guarantees dimensional stability at high temperatures, reducing the risk of cracking. 4. Long Service Life: Under proper operating conditions (especially with strict atmosphere protection), its resistance to thermal shock fatigue and creep results in a longer service life, with overall operating costs superior to graphite crucibles.