Magnesia alumina spinel fillers
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Description
| Index item | Specification standard | |||
| MPSHPH-1 | MPSHPH-2 | MPSHPH-3 | MPSHPH-4 | |
| Technical requirement no. | 203-182-2008 | |||
| Mass fraction，% | ||||
| Al2O3, Range | 4-11 | 4-11 | 4-11 | 4-11 |
| MgO, ＞ | 75 | 75 | 75 | 70 |
| Fe2O3, ＜ | 0,8 | 0,8 | 0,8 | 0,8 |
| SiO2, ＜ | 5 | 6 | 7 | 9 |
| Granularity:, % | ||||
| Screen №3,2 residues，＜ | 10 | 10 | 10 | 10 |
| Screen №05 passing rate，Range | 45-60 | 45-60 | 45-60 | 45-60 |
| Screen№0063 passing rate，Range | 22-32 | 22-32 | 22-32 | 22-32 |
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