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公司基本資料信息
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鉻剛玉是以氧化鋁為主要原料,適配氧化鉻等。經高溫熔煉而成。呈粉紅色、硬度與白剛玉近似,韌性比白剛玉高。用其制造的磨具,耐用度好,磨加工光潔度高。適用于量具,機床主軸,儀表零件、螺紋工件及樣板磨等精密磨削。
lts main material is bayer alumina,which is electrically fused in high temperature,being added with the right quantity of oxidized chromium. lt is pink.lts hardness is close to,but toughness higher than that or WA.The abrasive tools made of it feature excellent durability and high processing cleanness,which are suitable for the precision grinding of the measuring tools,lathe main shafts,instruments and apparatus parts,threading workpieces and samplers,etc.
化學成分:Chemical composition
低鉻 Low chromium |
中鉻 Medium chromium |
高鉻 High chromium |
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Al2O3 (%) |
Cr2O3 (%) |
Na2O (%) |
Al2O3 (%) |
Cr2O3 (%) |
Na2O (%) |
Al2O3 (%) |
Cr2O3 (%) |
Na2O (%) |
≥98.50 |
0.20-0.45 |
≤0.50 |
≥98.20 |
0.45-1.00 |
≤0.55 |
≥97.40 |
1.00-2.00 |
≤0.55 |
≥98.50 |
0.20-0.45 |
≤0.50 |
≥98.20 |
0.45-1.00 |
≤0.60 |
≥97.00 |
1.00-2.00 |
≤0.60 |
≥98.50 |
0.20-0.45 |
≤0.50 |
≥98.80 |
0.45-1.00 |
≤0.70 |
≥96.50 |
1.00-2.00 |
≤0.70 |
物理性能:Physical property
基本礦物 Basic minerals |
晶體尺寸 Crystal size μm |
真比重 True density g/cm3 |
堆積密度 Bulk density g/ cm3 |
顯微硬度 Knoop hardness kg/mm2 |
α-Al2O3 |
600-2000 |
≥3.90 |
1.40-1.91 |
2200-2300 |
用途:
1.噴砂,研磨,拋光等
2,生產砂輪,磨頭等磨具
3,適用于量具,機床主軸,儀表零件、螺紋工件及樣板磨等精密磨削等
常規生產粒度:F24 F30 F36 F46 F54 F60 F70 F80 F90 F100 F120 F150 F180 F220
24# 30# 36# 46# 54# 60# 70# 80# 90# 100# 120# 150# 180# 220#