Premium Silicon Carbide Graphite Crucibles for Melting Iron. Isostatic Pressing Technology: Advanced high-pressure isostatic pressing ensures stable quality and durability. Customizable Content: Silicon carbide content can be adjusted (e.g., 50%, 30%, 24%) based on customer requirements. Corrosion Resistance: Excellent resistance against corrosion for long service life in metal melting. Fast Thermal Conductivity: Efficient heat transfer for energy saving and fast melting processes. Oxidation Resistance: Superior oxidation resistance ensures product stability during high-temperature use. Low Pollution: Environmentally friendly design with low pollution output during operation. Wide Size Range: Available in various sizes from 80mm to 5000mm OD for different melting needs. 100% Quality Inspection: Every step and finished product undergoes strict QC inspection before shipment.