Audited Supplier
Agriculture Grade, Electron Grade, Industrial Grade
Industrial Grade alumina powder (Sandy Alumina, Metallurgical Grade Alumina)---Metallurgical grade alumina powder
Calcined alumina--- mainly used in ceramics, refractories, glazing industries
White fused alumina--- to be used in refractory,grinding&polishing,abrasives
Tabular alumina--- used in refractory
Production Process
Dry pressing, CIP, injection moulding,etc.
Technical features
1) excellent chemical activity, see below table
2) resonable particle size (D50=1-75 um)
3) low water absorption rate, big true density, extremly low impurity content
4) wear resistant, heat resistant, corrosion resistant
5) excellent refractory proper
Applications: Aluminum Oxide / nano alumina powder / Al2O3
1. Catalysts and catalyst carriers
2. Polishing powder
3. Abrasive
4. Thin-film material
5. In ceramic industry
6. In saphir
7. Analysis reagent
8. Absorbent
9. Refractory material
10.Raw material in smelting aluminum
Nano alumina is a white powder,Its chemical formula is Al203.Uniform particle size distribution, high purity, dispersion, high specific surface area, high temperature inertness, high activity, active alumina; porosity; high hardness, good dimensional stability, can be widely used in various plastics, rubber, ceramics Reinforcement and toughening of refractory materials, especially to improve the compactness, smoothness, cold and heat fatigue, fracture toughness, creep resistance and wear resistance of polymer materials, especially in solvent water;
High purity Alumina powder 99.995%
High purity alumina powder for LED sapphire is the high purity spherical alumina powder, produced by advanced production equipment and scientific process of our Company; with the characteristics of high purity, even granule, good fluidity, high speed of crystal growth, etc. It is widely used in the lava sapphire crystals, catalysts, polishing materials, ceramics, three-color phosphors, long afterglow luminescent powder, etc.
High purity Alumina pellet 99.998%
High purity alumina pellet, the raw material for sapphire crystal growth is fine processed with high purity alumina powder, which is research and development by our company independently. It has the characteristics of high purity, high density, and we can provide different specifications of high purity alumina pellet material with the purity of 99.996-99.999%, density of 3.0-3.6g/cm.
Main applications:1.sapphire crystal, sapphire crystal rods; 2.sapphire plate, sapphire crystal block; 3. laser crystal (YAG) and man-made gemstone, etc..
High purity Alumina ball 99.996%
High purity alumina ball, the raw material for sapphire crystal growth is fine processed with high purity alumina powder, which is research and development by our company independently. It has the characteristics of high purity, high density, and we can provide different specifications of high purity alumina ball material with the purity of 99.996-99.999%, density of 2.5-3.5g/cm.
This series of product adopts fine raw material and special formula, which can help customers save the process of raw material preparation. The granulating powder has solid grain, reasonable particle size distribution, moderate intensity and good fluidity. It can unload mold easily. The finished body has strong intensity. The sintered porcelain has characters of smooth surface, low temperature, low porosity degree and compact porcelain.
Applications:
It can be applied in the technics process of automatic dry pressing and isostatic pressing. It's an ideal choice for electronic ceramics and structural ceramics producing.
Certificate of Analysis
Chemical Commercial Code:
99.5% Alumina (Al2O3) Powder, CAS#-1344-28-1
| Specification | Require |
| Commercial Name | Fine Calcined Alumina |
| Chemical Name | Alumina Oxide |
| Molecular Formula | Al2O3 |
| CAS No. | 1344-28-1 |
| H.S. Code | 2818200000 |
| Appearance | White Powder |
| Odour | Nil |
| Al2O3 % | ≥99.50 |
| SiO2 % | ≤0.1 |
| Fe2O3 % | ≤0.04 |
| Na2O % | ≤0.3 |
| L.O.I. % | ≤0.2 |
| Particle Size(D50)um | 4~6 |
Function and usage:
Printed circuit board, PCB, Refractories, Refractory binder, Glass, High alumina ceramic, Ceramic structure, High alumina glazing, Polishing material, etc.
