Model Number: FS-1#6626 Brand Name: Baiyun Key Specifications/Special Features: Fused aluminium-magnesium spinelFused aluminum-magnesium spinel is smelted by adopting high purity powdered magnesium and powdered commercial alumina through large-scale high-temperature electric arc furnaceCharacterized by high density, good appearance and color, strong corrosion resistance, good thermal shockWidely used for refractory products, such as steel-making electric furnace roofs, converter and ladle, large cement rotary kiln, and glass regenerator CompositionBrandAL2O3MgO CaO SiO² Fe²O³ Na²O Bulk density (g/cm) AM-65 63-68 31-36 ≤0.8 ≤0.5 ≤0.6 ≤0.4 ≥3.3 AM-70 71-76 22-27 ≤0.65 ≤0.4 ≤0.4 ≤0.4 ≥3.2 AM-85 82-87 12-17 ≤0.5 ≤0.4 ≤0.4 ≤0.4 ≥3.2 AM-90 88-92 8-12 ≤0.4 ≤0.25 ≤0.4 ≤0.4 ≥3.3 Particles 0-1-3-5-8mm, 0-180 mesh, 0-200, 0-240, 0-325 mesh Inspection standard GB5069-2001