Wear Resistant Silicon Mullite Composite Brick 1680 1550 Silica Mullite Bricks for Cement Kilns. High Wear Resistance: Made from super high bauxite clinker and silicon carbide for strong resistance to spalling and wear. High Compressive Strength: Features high mechanical strength at room and high temperatures with excellent thermal shock stability. Customizable Dimensions: Full customization available based on customer drawings and specific technical requirements. Wide Application Range: Suitable for cement kilns, blast furnaces, glass kilns, steel-making furnaces, and ceramic kilns. Protective Layer Formation: Forms a continuous protective layer during use to extend equipment lifespan. ISO 9001 Certified: Manufactured under strict quality control with ISO 9001 and CE certifications. Free Sample Availability: Free samples provided, though freight and mold fees are borne by the buyer. Established Manufacturer: Source factory established in 1986 with over 200,000 tons annual output capacity.