Low sodium α calcined alumina
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Description
Low Sodium α Calcined alumina Performance
1Reasonable temperature calcination, high alpha conversion rate
2Sodium oxide content ultra low
3Stable shrinkage rate
4Finess grinding, suitable partical size and narrow partical size distribution
Usage
•Fine ceramic products.
• High purity filler ball
• Advanced refractory material
•Fine polishing
•Electronic components, high frequency electric porcelain
Specification
calcined alpha-alumina low sodium
Type |
Chemical components % |
α-Al2O3 % |
Effecive density g/cm3 |
Particle size μm |
|||
Al2O3 |
Na2O |
SiO2 |
Fe2O3 |
||||
LN-10 |
≥99.0 |
≤0.05 |
≤0.2 |
≤0.1 |
≥97 |
≥3.96 |
1.5-2.0 |
LN-20 |
≥99.0 |
≤0.05 |
≤0.2 |
≤0.1 |
≥97 |
≥3.96 |
2.0-3.0 |
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Low sodium α calcined alumina