Mr. Perry Wu International Sales Director
99.999% Alumina Powder
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99.999% High Purity Alumina 0.3-10um White Powder Aluminum Oxide for Sapphire Crystal
Aluminum Oxide
Chemical formula: Al2O3
CAS:1344-28-1
Uses: Ruby, sapphire main ingredients are all aluminum, as other impurities present different color, sapphire is iron oxide and titanium oxide and blue. Synthetic gemstones, smelting, rust, abrasive materials, color layer media analyte, glass, refractories, ceramics, laser materials, adsorbents, flame retardant. Emery hardness can be used as abrasives, polishing powder, high-temperature sintering of alumina, said artificial corundum or synthetic stones, can be prepared by mechanical bearings or diamond timepiece. Alumina is also used as a high temperature refractory material, made bricks, crucibles, porcelain, artificial gems, etc., aluminum is aluminum raw materials.
| Product name | Aluminum oxide |
| Purity | 99.999% |
| Application | 1. Ceramics 2. Target 3. Refractory 4. Coating 5. Plastics 6. Rubber 7. Battery diaphragm coating 8. Plastic rubber heat conduction |
| SPECIFICATION OF ALUMINA FOR COATING LITHIUM BATTERY SEPARATOR | |||||
|
TEST ITEMS |
UNIT |
SY-AL-3N |
SY-AL-4N |
SY-AL-5N |
|
|
AI2O3 |
% |
≥99.9 |
≥99.99 |
≥99.999 |
|
|
IMPURITYCONTENT |
Fe |
PPM |
≤18.4 |
≤2 |
≤1 |
|
Na |
≤194.8 |
≤1 |
≤1 |
||
|
Ca |
≤5 |
≤2 |
≤1 |
||
|
Mg |
≤5 |
≤2 |
≤1 |
||
|
Si |
≤46.4 |
≤12 |
≤2.5 |
||
|
Cu |
/ |
≤3 |
≤1 |
||
|
PH值 |
/ |
7-10 |
7-10 |
7-10 |
|
|
BET |
m2/g |
5-9 |
3-8 |
3-12 |
|
|
GRANULARITY |
D10 |
um |
≥0.10 |
≥0.30 |
≥0.30 |
|
D50 |
0.4-1.0 |
0.5-20 |
0.3-10 |
||
|
D90 |
≤0.9 |
≤1.6 |
≤1.6 |
||
|
D99 |
≤1.2 |
≤2.8 |
≤2.8 |
||
|
EXTERIOR |
WHITE POWDER, NO AGGLOMERATION OR FOREIGN MATTER IN THE POWDER |
||||
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| Product name | white fused alumina/WA/white aluminum oxide powder |
| purity | 99.9-99.999% |
| Molecular weight | 101.96 |
| CAS | 1344-28-1 |
| EINECS | 215-691-6 |
| MOQ | 1kg |
| Sample | Availiable |
| Packing | 25 Kg PP Bag |
| Storage | Cool Dry Place |
| Classification | ALUMINA |
| MF | Al2O3 |
| Place of Origin | Hebei, China |
| Grade Standard | Industrial Grade |
| Appearance | White Powder |
| HS Code | 2818109000 |
| Application | Used as analytical reagents, dehydration of organic solvents, adsorbents, organic reaction catalysts, abrasives, polishing agents, raw materials for aluminum smelting, and refractory materials. |
Product features:
Crystal perfection
Stable particle size distribution
High purity
Good batch stability
Product application:
Heat conducting ceramics
Precision polishing
Wear resistant coating
Catalyst material
High Purity Alumina Powder Main used:
Luminescent materials: used as the main raw materials for rare earth tri color phosphors, long afterglow phosphors, PDP phosphors, and LED phosphors;
Transparent ceramics: used as fluorescent tubes for high-pressure sodium lamps and electrically programmable read-only memory windows;
Single crystal: used for manufacturing rubies, sapphires, and yttrium aluminum garnets;
High strength and high aluminum ceramics: used for manufacturing integrated circuit substrates, cutting tools, and high-purity crucibles;
Abrasives: abrasives used in the manufacturing of glass, metals, semiconductors, and plastics;
Diaphragm: used for manufacturing applications on lithium battery separator coatings;
Other: used as active coatings, adsorbents, catalysts and catalyst carriers, vacuum coating, special glass raw materials, composite materials, resin fillers, bioceramics, etc.
High purity aluminum oxide powder is a white micro powder with uniform particle size, easy dispersion, stable chemical properties, moderate high-temperature shrinkage performance, and good sintering performance; High conversion rate and low sodium content. This product is the basic raw material for producing heat-resistant, wear-resistant, and corrosion-resistant products, such as high aluminum refractory materials, high-strength ceramic products, automotive spark plugs, advanced grinding materials, etc. The product quality is reliable, with high melting point, good thermal stability, high hardness, good wear resistance, high mechanical strength, good electrical insulation, and corrosion resistance. It is widely used for mirror polishing of decorative materials such as fixed and irregular refractory materials, refractory castable binders, wear-resistant grinding tools, high-purity refractory fibers, special ceramics, electronic ceramics, structural ceramics, stainless steel, granite, etc. It can meet the requirements of users with different purposes and process conditions. Alumina is produced by low-temperature phase transformation calcination using first-class industrial alumina and aluminum hydroxide with additives, followed by advanced grinding technology and process to produce activated alumina micro powder. Its characteristics are high activity and fine particle size. Especially suitable for shaped products and refractory castables, plastic, repair materials, spray repair materials, coating materials and other amorphous refractory materials, it has a strong effect on improving the high-temperature strength of refractory materials and enhancing their corrosion resistance.
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