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Abrasives Grade | Refractory Grade | |||||||||
Item | Grain | Micro Powder | Group Size | Fine Powder | ||||||
Al2O3 (%)≥ | 99 | 99 | 99 | 98.5 | 99 | 99 | ||||
Fe2O3 (%)≤ | 0.05 | 0.06 | 0.08 | 0.1 | 0.1 | 0.1 | ||||
SiO2 (%)≤ | 0.26 | 0.28 | 0.30 | 0.40 | 0.35 | 0.35 | ||||
TiO2 (%)≤ | 0.08 | 0.09 | 0.10 | 0.15 | 0.3 | 0.3 | ||||
Size | 12-80 | 90-150 | 180-220 | 240-4000 | 0-1mm 1-3mm 3-5mm 5-8mm | -180mesh -200mesh -240mesh -320mesh | ||||








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