白剛玉段砂:0-1mm、1-3mm、3-5mm、5-8mm、8-12mm
理化指標:Al2O3≥99% Na2O≤0.5% CaO ≤0.4% 磁性物≤0.003%
白剛玉細粉:180#-0、200#-0、320#-0
理化指標:Al2O3≥98.5% Na2O≤0.5% CaO ≤0.5% 磁性物≤0.003%
白剛玉用途及理化指標一覽表:
用途 | 規格 | 主要化學成分% | 磁性物% | |||
Al2O3 | Na2O | SiO2 | ||||
磨料 磨具 | F | 12#—80# | ≥99.4 | ≤0.4 | — | ≤0.03 |
90#—150# | ≥99.3 | ≤0.4 | ≤0.03 | |||
180#—240# | ≥98.2 | ≤0.4 | — | ≤0.03 | ||
W | 1#-63# | ≥99.3 | ≤0.4 | ≤0.03 | ≤0.05 | |
耐火 材料 | 段砂 | 0-1mm 1-3mm 3-5mm 5-8mm 8-12mm | ≥99.3 | ≤0.4 | ≤0.06 | ≤0.05 |
細粉 | 180#—0 200#-0 320#-0 | ≥99 | ≤0.4 | ≤0.1 | ≤0.03 |