calcined activated alumina powder
calcined activated alumina powder
calcined activated alumina powder
calcined activated alumina powder
Calcined alumina is produced by high quality and high purity raw material in the rotary furnace at reasonable temperature. It has characteristic of high conversion rate, stable crystallization and low impurity content, excellent performance of high mechanical strength, stable shrinkage rate, good electrical insulation, high wear resistance and outstanding corrosion resistance.
Specification of calcined alumina:
Items
| Chemical components
|
a-Al2O3
| Effective density g/cm3 | Primary crystal size D50 um | Particle size D50 um | ||||
Al2O3 % | SIO2 % | Fe2O3 % | Na2O % | L.O.I. % | |||||
AC-30 | ≥99.2 | ≤0.10 | ≤0.04 | ≤0.35 | ≤0.20 | ≥94 | ≥3.93 | 3-5um |
75-90um |
AC-30A | ≥99.2 | ≤0.01 | ≤0.04 | ≤0.35 | ≤0.20 | ≥93 | ≥3.93 | 1.5-3.5um |
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Application:
1. Various abrasives, abrasive tools and abrasive fillers.
2. To produce all kinds of calcined alumina fine powder for ceramic industry and refractory industry.
3. High alumina structural ceramic products
4. Electronic components, high insulating ceramic and etc.