2021 China New Design High Purity Calcined Alumina - Calcined Alumina (RA) Series for Refractory Materials – Yufa
2021 China New Design High Purity Calcined Alumina - Calcined Alumina (RA) Series for Refractory Materials – Yufa Detail:
Applications
Model No. | Chemical Composition(%) | True density | Apparent density | Grain size | +325 mesh | Original Crystal | Water Absorption | Features | Recommended Applications | ||||
Al2O3 ≥% |
SiO2 ≤% |
Fe2O3 ≤% |
Na2O ≤% |
LOI ≤% |
g/cm3 ≥ |
g/cm3 > |
d50 (μm) |
<% | d50(μm) | % | |||
RA1G | 99.5 | 0.15 | 0.04 | 0.10 | 0.15 | 3.92 | 0.7 | 1.5-2.2 | 1 | ~1.0 | 1. Fully grinding 2. Low sodium 3. Small primary crystal size 4. Good particle size distribution 5. High activity |
Used to produce various high-end refractory materials | |
RA2GL | 99.5 | 0.15 | 0.04 | 0.10 | 0.15 | 3.94 | 0.7 | 2.3-2.7 | 1 | ~2.3 | 1. Fully grinding 2. Low sodium 3. Small primary crystal size 4. Good particle size distribution 5. High activity |
||
RA2G | 99.5 | 0.15 | 0.05 | 0.15 | 0.1 | 3.95 | 0.85 | 3.0-3.6 | 2 | 2.5-3.0 | 1. Fully grinding 2. Low sodium 3. Small primary crystal size 4. Reasonable particle size distribution 5. Certain activity |
||
RA3GD | 99.5 | 0.08 | 0.04 | 0.10 | 0.1 | 3.95 | 0.83 | 4.0-5.0 | 2 | 4.0-4.5 | 1. Grinding, low sodium 2. High calcination temperature 3. Moderate primary crystal size 4. Good fluidity 5. Large bulk density |
||
RA3G | 99.5 | 0.15 | 0.05 | 0.25 | 0.1 | 3.93 | 0.83 | 4.0-5.0 | 3 | 4.0-4.5 | T18-22 | 1. Grinding 2. Medium sodium 3. High calcination temperature 4. Moderate primary crystal size 5. Good fluidity 6. Large bulk density |
|
RA5G | 99.5 | 0.15 | 0.05 | 0.25 | 0.1 | 3.93 | 0.85 | 5.6-6.6 | 3 | 5.0-6.0 | 1. Grinding 2. Medium sodium 3. High calcination temperature 4. Large primary crystal size 5. Good fluidity 6. Large bulk density |
Product detail pictures:





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As a way to present you with ease and enlarge our enterprise, we also have inspectors in QC Workforce and assure you our greatest support and solution for 2021 China New Design High Purity Calcined Alumina - Calcined Alumina (RA) Series for Refractory Materials – Yufa , The product will supply to all over the world, such as: Japan, Peru, Las Vegas, we rely on own advantages to build a mutual-benefit commerce mechanism with our cooperative partners. As a result, we have gained a global sales network reaching the Middle East, Turkey, Malaysia and Vietnamese.

The factory workers have a good team spirit, so we received high quality products fast, in addition, the price is also appropriate, this is a very good and reliable Chinese manufacturers.

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