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Chemical Composition | ||||||
GB/T 2479-2008 | ||||||
Type | Grit | Chemical composition (%) | ||||
Al2O3 | Na2O | |||||
WA | F4-F80 | ≥99.10 | ≤0.35 | |||
F90-F150 | ≥99.10 | ≤0.40 | ||||
F180-F220 | ≥98.60 | ≤0.50 | ||||
F230-F800 | ≥98.30 | ≤0.60 | ||||
F1000-F1200 | ≥98.10 | ≤0.70 | ||||
WA-B | F4-F80 | ≥99.00 | ≤0.50 | |||
F90-F150 | ≥99.00 | ≤0.60 | ||||
F180-F220 | ≥98.50 | ≤0.60 | ||||
WA-P | P12-P80 | ≥99.10 | ≤0.35 | |||
P100-P150 | ≥99.10 | ≤0.40 | ||||
P180-P220 | ≥98.60 | ≤0.50 | ||||
P240-P800 | ≥98.30 | ≤0.60 | ||||
P1000-P1200 | ≥98.10 | ≤0.70 | ||||
P1500-P2500 | ≥97.50 | ≤0.90 | ||||
WA-R | 0-1mm | ≥99.00 | ≤0.50 | |||
1-3mm | ≥99.00 | ≤0.50 | ||||
3-5mm | ≥99.00 | ≤0.50 | ||||
5-8mm | ≥99.00 | ≤0.50 |