OEM Manufacturer Ceramic Insulators Powder - Calcined Alumina (RA) Series for Refractory Materials – Yufa
OEM Manufacturer Ceramic Insulators Powder - 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
Product detail pictures:





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Being supported by an state-of-the-art and skilled IT team, we could supply technical support on pre-sales & after-sales service for OEM Manufacturer Ceramic Insulators Powder - Calcined Alumina (RA) Series for Refractory Materials – Yufa , The product will supply to all over the world, such as: Spain, kazakhstan, Hungary, Most problems between suppliers and clients are due to poor communication. Culturally, suppliers can be reluctant to question items they do not understand. We break down people barriers to ensure you get what you want to the level you expect, when you want it. Faster delivery time and the product you want is our Criterion .

After the signing of the contract, we received satisfactory goods in a short term, this is a commendable manufacturer.

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