Carbon/carbon crucibles are mainly used for high-purity silicon crystal growth, serving as a support for silicon materials and quartz crucibles; the product has a flexural strength ≥120MPa, replacing isostatic graphite and helping to increase the loading capacity of crystal growth equipment by more than 5 times.
Density, ≥1.45 g/cm³;
Flexural strength, ≥110 MPa;
Coefficient of thermal expansion, ≤1.0 × 10⁻⁶/K;
Thermal conductivity at room temperature, ≤10 W/(m·K);
