用途 规格 主要化学成分% 磁性物% Al2O3 Fe2O3 SiO2 TiO2 磨料磨具 F 4#—80# ≥95 ≤0.3 ≤1.5 ≤3.0 ≤0.05 90#—150# ≥94 ≤0.03 180#—240# ≥93 ≤0.3 ≤1.5 ≤3.5 ≤0.02 P 8#—80# ≥95.0 ≤0.2 ≤1.2 ≤3.0 ≤0.05 100#—150# ≥94.0 ≤0.03 180#—220# ≥93.0 ≤0.3 ≤1.5 ≤3.5 ≤0.02 W 1#-63# ≥92.5 ≤0.5 ≤1.8 ≤4.0 — 耐火材料 段砂 0-1mm 1-3mm 3-5mm 5-8mm 8-12mm ≥95 ≤0.3 ≤1.5 ≤3.0 — 25-0mm 10-0mm 50-0mm 30-0mm ≥95 ≤0.3 ≤1.5 ≤3.0 — 细粉 180#-0 200#-0 320#-0 ≥94.5 ≥93.5 ≤0.5 ≤1.5 ≤3.5 —