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Type | Item | Density | Appearence | Application | ||||||||
Al2O3 | Fe2O3 | SiO2 | ||||||||||
Grade A-1 | ≥95 | ≤0.3 | ≤1.5 | 3.85 | Brownish red particle | Refractory material, polishing | ||||||
Grade A-2 | ≥90 | ≤1.3 | ≤1.5 | 3.85 | Black particles Gray powder | Polishing, grinding | ||||||
Grade B-1 | ≥85 | ≤1.8 | ≤1.5 | 3.85 | Black particles Gray powder | Grinding. Grinding wheel, sand blasting | ||||||
Grade B-2 | ≥80 | ≤2.3 | ≤1.5 | 3.85 | Black particles Gray powder | Polishing, grinding | ||||||
Grade C | ≥70 | ≤4.3 | ≤1.5 | 3.85 | Black particles Gray powder | Floor | ||||||
Brown fused alumina granularity according to international standards and national standards for production, can also be processed according to user requirements. The universal particle size number is F4~F325. |
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