
High Alumina Refractory Raw Materials Grit 1-3mm Andalusite for Refractory Brick and Castable. In-Situ Mullite Formation: Transforms to mullite at high temperatures for excellent volume stability and low thermal expansion. Superior Thermal Shock Resistance: Provides enhanced hot strength and reduced permanent linear change compared to traditional bauxite. Wide Particle Size Options: Available in 0-1mm, 1-3mm, 3-5mm, and 200 mesh to suit various refractory formulations. High Alumina Content: Features Al2O3 content ranging from 56.21% to 58.6% depending on the specific grain size. Low Thermal Conductivity: Offers good thermal insulation performance suitable for energy-efficient industrial furnaces. Versatile Industrial Applications: Ideal for steel, cement, glass, and non-ferrous metallurgy refractory products and kilns. Customization Available: Supports full customization, minor customization, and flexible customization from samples or designs. High Mechanical Strength: Ensures durability and structural integrity in high-temperature refractory brick and castable applications.