| Physical Property Analysis |
| Item |
Analysis result (%) |
Test Methods |
| Particle size (μm) |
D50 |
80±5 |
MASTERSIZER 2000 |
| Specific surface area (㎡/g) |
0.8-1.5 |
JW-BK400 |
| α conversion rate (%) |
≥94 |
D8 DISCOVER X-ray diffractometer |
| Moisture (%) |
＜0.05 |
Infrared Moisture Tester |
| Packing (g/cm3) |
0.8-1.0 |
Funnel Method |
| Chemical Composition Analysis |
| Element Name |
Analysis result (%) |
Test Methods |
| Al2O3 |
≥99.8 |
Flame photometer |
| Ca |
≤100 |
| Na |
≤1000 |
| Fe |
≤80 |
| Si |
≤100 |
| Mg |
≤50 |
(1) Activated alumina/Aluminum Oxide can be used as an efficient desiccant for trace amounts of water;
(2) High-purity alumina/Aluminum Oxide is prepared by different processes, and can be used in the fields of sapphire crystal raw materials for LEDs, trichromatic phosphors, long-lasting phosphors, high-pressure sodium lamps, glass additives, electronic ceramics, catalyst carriers, etc.
Due to its better physical and chemical properties, the corresponding customers can get more satisfactory use results;
(3) Hydrated alumina/Aluminum Oxide is mainly used as a raw material for catalyst carrier activated alumina;
And can also be used as a forming binder for molecular sieves and silicate refractory fiber products, such as a binder for semi-synthetic rare earth Y-type molecular sieve cracking catalysts, as a catalyst for alcohol dehydration to ethylene and ethylene oxide catalysts, etc.
(4) Low-sodium alumina/Aluminum Oxide is a high-purity, fine а-alumina powder with uniform grain size.
Low-sodium alumina/Aluminum Oxide is mainly used in the polishing of metal, glass and various ceramic products and as a firing aid for non-oxide ceramics.
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