2021 wholesale price Ultra-Fine Calcined Alumina - Calcined Alumina (RA) Series for Refractory Materials – Yufa
2021 wholesale price Ultra-Fine Calcined Alumina - Calcined Alumina (RA) Series for Refractory Materials – Yufa Detail:
Specification
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 |
Applications
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"Control the standard by the details, show the power by quality". Our business has strived to establish a highly efficient and stable team staff and explored an effective good quality regulate course of action for 2021 wholesale price Ultra-Fine Calcined Alumina - Calcined Alumina (RA) Series for Refractory Materials – Yufa , The product will supply to all over the world, such as: Greece, Belgium, Sri Lanka, With the highest standards of product quality and service, our products have been exported to more than 25 countries like the USA, CANADA, GERMANY, FRANCE, UAE, Malaysia and so on.We are very pleased to serve customers from all over the world!

We have been engaged in this industry for many years, we appreciate the work attitude and production capacity of the company, this is a reputable and professional manufacturer.

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