用途  規格  主要化學(xué)成分% Al2O3 Na2O SiO2 K2O Fe2O3 磨料磨具 F 12#—60# ≥99.15 ≤0.26 ≤0.08   ≤0.05 60#-100# ≥99.15 ≤0.28 ≤0.09   ≤0.06 120#—150# ≥99.1 ≤0.29 ≤0.10   ≤0.08 180#—220# ≥99.05 ≤0.31 ≤0.12   ≤0.1 230#-800# ≥98.5 ≤0.5 ≤0.15   ≤0.1 1000#-1200# ≥98.1 ≤0.6 ≤0.18   ≤0.1 W W#-63# ≥98.5 ≤0.6 ≤0.15   ≤0.1 W10-W5 ≥98 ≤0.7 ≤0.15   ≤0.1 耐火材料 段砂 0-1mm1-3mm3-5mm5-8mm10-20mm1/0.3mm0-0.3mm1-2mm0.5-1.5mm ≥99.4 ≤0.35 ≤0.3 ≤0.05 ≤0.1 細粉 100mesh—0200mesh-0325mesh-0 ≥99.4 ≤0.35 ≤0.3 ≤0.05 ≤0.1