Lightweight Alumina Bubble Insulation Refractory Brick for Kiln Thermal Lining

Lightweight Alumina Bubble Insulation Refractory Brick for Kiln Thermal Lining. High Compressive Strength: Cold crushing strength ranges from 15 to 20 MPa for durability. Customizable Size: Size is fully customizable to meet specific kiln lining requirements. Wide Alumina Content Range: Available in 85%, 90%, and 99% Al2O3 content options. Light Weight Design: Low bulk density of 1.45-1.60 g/cm3 reduces kiln wall thickness and cost. Chemical Stability: Excellent resistance to acid and base erosion in harsh environments. ISO and CE Certified: Products meet international standards including ASTM, ASME, and ISO9001.