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| Item No. | Si (%min) | Fe (%max) | Al(%max) | Ca(%max) | P(max) |
| 1501 | 99.2 | 0.15 | 0.15 | 0.01 | 20-40ppm |
| 2202 | 99 | 0.2 | 0.2 | 0.02 | 30-100ppm |
| 2502 | 99 | 0.25 | 0.25 | 0.02 | 40-100ppm |
| 3303 | 99 | 0.3 | 0.3 | 0.03 | 40-100ppm |
| 441 | 99 | 0.4 | 0.4 | 0.1 | 40-100ppm |
| 553 | 98.5 | 0.5 | 0.5 | 0.3 | 40-100ppm |
| 421 | 99.3 | 0.4 | 0.2 | 0.1 | 40-100ppm |
| Size: 10-100mm 90min | |||||
