Low-Sodium Calcined Alumina (HA) Series Coarse Powder
Application
1. Suitable for high-performance ceramics, rough polishing, refractory materials, thermal conducting fillers and wear-resistant coating industries
2. Suitable for preparation of refractory powder etc.
3. Suitable for LCD glass, thermally conductive fillers, medium polishing materials industries, etc.
Specification
| Model No. | Chemical Composition (%) | True Density | Apparent Density | Original Crystal | Conversion Rate | Features | Recommended Applications | ||||
| Al2O3 ≥% |
SiO2 ≤% |
Fe2O3 ≤% |
Na2O ≤% |
LOI ≤% |
g/cm3 ≥ |
g/cm3 ＞ |
D50 (μm) |
≥% | |||
| HA5 | 99.5 | 0.05 | 0.02 | 0.12 | 0.1 | 3.95 | 0.9 | 6.5-8.0 | 95 | 1. Unground & Low sodiume 2. Near-spherical crystal 3. Large crystal & Fully developed 4. Less shrinkage & Large output 5. Good quality stability |
1. Suitable for high-performance ceramics 2. Suitable for rough polishing 3. Suitable for refractory materials 4. Suitable for thermal conducting fillers 5. Suitable for wear-resistant coating industries |
| HA4 | 99.5 | 0.05 | 0.02 | 0.10 | 0.1 | 3.95 | 0.9 | 5.5-6.5 | |||
| HA3 | 99.5 | 0.05 | 0.02 | 0.12 | 0.1 | 3.95 | 0.9 | 4.5-5.6 | |||
| HA2 | 99.5 | 0.05 | 0.02 | 0.15 | 0.1 | 3.93 | 0.9 | 3.0-4.0 | 93 | 1. Unground, medium sodium 2. Near-spherical crystal 3. Crystal range of 2-3 μm 4. Good sinterability & Large output 5. Good quality stability. |
Suitable for ceramics and refractory industries. |
| HA1 | 99.7 | 0.05 | 0.02 | 0.01 | 0.1 | 3.93 | 0.9 | ~2 | 93 | 1. Extremely low impurities 2. Na2O≤ 0.01% 3. High conversion rate 4. Fine and uniform crystal |
1. Suitable for high-performance ceramics 2. Suitable for preparation of refractory powder 3. Suitable for wear-resistance coatings industries, etc. |
| HA2X | 99.5 | 0.10 | 0.02 | 0.08 | 0.1 | 3.95 | 0.9 | ~3 | 95 | 1. Easy to grind 2. Extremely low impurities 3. Good crystal sphericity 4. Narrow cystal distribution 5. Less shrinkage & Large output 6. Good quality stability |
1. Suitable for high-performance ceramics 2. Suitable for LCD glass, refractory materials 3. Suitable for thermally conductive fillers 4. Suitable for medium polishing materials industries, etc. |
| HA1X | 99.5 | 0.12 | 0.02 | 0.10 | 0.1 | 3.93 | 0.9 | ~2.3 | 93 | 1. Easy to grind & Low sodium 2. Good sphericity 3. Narrow cystal distribution 4. Small crystal & Good flowability 5. Large output & Good quality stability |
1. Suitable for the production of high-performance ceramics and refractory fine powder 2. It can be used in alumina ball |
| HA0X | 99.5 | 0.08 | 0.02 | 0.10 | 0.1 | 3.9 | 0.9 | ~1 | 92 | 1. Small crystal 2. Low impurities. |
1. Suitable for the production of high-performance ceramics and refractory powder preparation 2. It can used to preparation of wear-resistant coatings industries, etc 3. It can be used in alumina ball |
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