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brown fused alumina, white aluminum oxide, green silicon carbide, black silicon carbide, garnet, stainless steel shot
brown fused alumina, white aluminum oxide, green silicon carbide, black silicon carbide, garnet, stainless steel shot
Pink Fused Alumina, with pink color, has higher toughness than white fused alumina. It's an ideal abrasive materials for making abrasive tools and surface finishing.
Chemical composition:
Grit | Low chromium | Medium chromium | High chromium | ||||||
Al2O3 | Cr2O3 | Na2O | Al2O3 | Cr2O3 | Na2O | Al2O3 | Cr2O3 | Na2O (%) | |
F12-F80 | ≥98.50 | 0.20-0.45 | ≤0.50 | ≥98.20 | >0.45-1.00 | ≤0.55 | ≥97.40 | >1.00-2.00 | ≤0.55 |
F90-F150 | ≥98.50 | ≤0.50 | ≥98.20 | ≤0.60 | ≥97.00 | ≤0.60 | |||
F180-F220 | ≥98.50 | ≤0.50 | ≥98.80 | ≤0.70 | ≥96.50 | ≤0.70 | |||
Physical property:
Basic minerals | Crystal size | True density | Bulk density | Knoop hardness |
α-Al2O3 | 600-2000 | ≥3.90 | 1.40-1.91 | 2200-2300 |