Detailed Product Description Product Color: Gray True Density: 3.90g/cm3 Min Mohs Hardness: 9.0Mohs MIn Melting Temperature: 2250 C Refractory Temperature: 1900�°C Cofficient Of Linear Expansion: 7-9 High Temperature Resistance Brown Fused Aluminum Oxide Grit 3-5MM For Continous Casting Refractory Description: Refractory Brick Materials 0-1mm Brown Fused Aluminum Oxide BFA 98% High Temperature Resistance .RS Brown fused alumina 98% is made by a special technique in electric arc furnaces with high temperature above 2300 C and refining with longer time. RS Brown fused alumina 98% is the ideal product which can substitute white fused alumina, compact fused alumina and tabular alumina in China . RS Brown fused alumina 98% sand (Barmac production line) and powder (acid washing) produced by Rui Shi plant is characterized by without bursting, without pulverising and high bulk density, good flow property etc, High Temperature Resistance Brown Fused Aluminum Oxide Grit 3-5MM For Continous Casting Refractory Specification: Property of Vice White fused alumina/Aluminum oxide: Specification Chemical composition(%) Physical composition(%) Al2O3 Fe2O3 SiO2 TiO2 TC Apparent porosity(%) Bulk density (g/cm3) 0-1mm 1-3mm 3-5mm 5-8mm 8-12mm 97.5Min 0.3Max 0.5 Max 1.0Max 0.10Max 2.5 Max 3.85 Max 180#-0 240#-0 320#-0 97.0 Min 0.3 Max 0.5Max 1.0 Max 0.15Max High Temperature Resistance Brown Fused Aluminum Oxide Grit 3-5MM For Continous Casting Refractory Particle size :0-1mm/1-3mm/3-5mm/5-8mm;180mesh-0/320mesh-0 Packing: 1 MT big bag or 25kg paper bag *40 bags on one pallet ; As per customers requirement Sub White aluminum oxide for refractory advantages: 1, Al2O3: 97.5%MIN ,SiO3:0.30%Max 2, Replacing the white fused alumina and tabular alumina 3, Made by a special technique in electric arc furnaces with high temperature above 2300C and refining with longer time. 4, Characterized by high-temperature resistance, corrosion and erosion resistance, low apparent porosity and stable thermal stability performance 5, Without bursting, without pulverising and high bulk density, Usage: 1, For variety of shaped refractory material products, 2, For corundum castable refractory,