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| High purity alumina powder and carrier series | ||||||||||||
| Manufacturing method | product | Specific surface (m2/g) | Pore volume (ml/g) | Na2O% | Fe2O3% | SO42-% | P2O5% | SiO2% | β-3H2O% | Cl-% | Dry basis% | Remarks |
| Nitric acid method |
GA-385 | ≥240 | ≥0.40 | ≤0.05 | ≤0.03 | - | - | - | 10-30 | - | - | Spherical carrier |
| GA-384 | ≥250 | ≥0.40 | ≤0.05 | ≤0.03 | - | - | - | 10-30 | - | ≥75 | Powder | |
| GA-381 | ≥250 | ≥0.40 | ≤0.05 | ≤0.05 | - | - | - | ≤5 | - | ≥75 | Powder | |
| GA-382 | ≥250 | ≥0.40 | ≤0.05 | ≤0.03 | - | - | - | ≤5 | - | ≥75 | Powder | |
| GA-383 | ≥120 | ≥0.35 | ≤0.05 | ≤0.05 | - | - | - | ≤5 | - | - | Microsphere | |
| Sulfuric acid method |
JHF-16 | ≥380 | ≥0.85 | ≤0.05 | ≤0.05 | ≤1.2 | 3.8-5.0 | - | ≤3 | - | ≥70 | Powder |
| JHF-02 | ≥280 | ≥0.9 | ≤0.05 | ≤0.05 | ≤1.5 | - | - | ≤3 | - | ≥68 | Powder | |
| JHF-74 | ≥450 | 1.1-1.5 | ≤0.03 | ≤0.05 | ≤1.2 | 0.7-1.3 | 32-38 | ≤3 | - | ≥70 | Powder | |
| Hydrochloric acid method | JHF-24-1 | ≥180 | 0.4-0.6 | ≤0.05 | ≤0.03 | - | - | - | ≤2 | ≤0.3 | ≥70 | Powder |
| JHF-24-2 | ≥220 | 0.6-0.8 | ≤0.05 | ≤0.03 | - | - | - | ≤2 | ≤0.3 | ≥70 | Powder | |
| JHF-24-3 | ≥230 | 0.8-1.1 | ≤0.05 | ≤0.03 | - | - | - | ≤2 | ≤0.3 | ≥70 | Powder | |
| JHF-03 | ≥220 | ≥0.60 | ≤0.03 | ≤0.03 | - | - | 50±5 | ≤5 | ≤0.3 | ≥70 | Powder | |
| JHF-36 | ≥400 | 0.9-1.1 | ≤0.03 | ≤0.03 | - | - | 3.0±0.3 | ≤3 | ≤0.3 | ≥70 | Powder | |
| Note: 1.GA-385ball diameterΦ1-2, Φ2-3, Φ3-5 Pore volume and specific surface changes with changes in firing temperature, can also produce the user's requirements. 2.GA-383is a microsphere carrierwith a particle size of45μm-90μm≥85%, andits specific surface and Pore volume vary with the calcination temperature, and the particle size can be produced according to user requirements. |
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