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​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

 

High demand chemicals calcined activated alumina powder

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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.


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