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                        Product Details:
                                                     
 
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| Product Name: | Calcined α-alumina | Al2O3 ≥: | 99.0 | 
|---|---|---|---|
| SiO2 ≤: | 0.10 | Fe2O3 ≤: | 0.04 | 
| Na2O ≤: | 0.3 | Calcined ≤: | 0.20 | 
| Highlight: | hydrotreating catalyst,solid phosphoric acid catalyst | ||
Calcined α-alumina for production of grinding media
Calcined α-alumina physical and chemical indicators
| classification | Product type | Chemical Composition % | effective density g/cm3 ≥ | grain size 1) (median particle diameter ) D50,μm | ||||
| Al2O3 ≥ | SiO2 ≤ | Fe2O3 ≤ | Na2O ≤ | Calcined ≤ | ||||
| Mid Na type | AC-30 | 99.0 | 0.10 | 0.04 | 0.3 | 0.20 | 3.93 | 4±1 | 
| AC-30A | 99.0 | 0.10 | 0.04 | 0.3 | 0.20 | 3.93 | 2.5±1 | |
| ACG-2A | 98.5 | 0.20 | 0.04 | 0.3 | 0.25 | |||
| 1~3 | 
Note: Grain size determination-Grinding 24 minutes( dry grinding),the ball
material ratio 10:1,using laser particle size analyzer (MS 2000),
measuring median diameter(D50).Normally it needs ultrasound for 1 minute and
then to be measured.
A means activity (Activated) suitable for production of grinding media.
M means a smaller microcrystalline product than grain size.
Contact Person: Mr. James.Li
Tel: 86-13706436189
Fax: 86-533-6076766