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Washed/Calcined Kaolin

Kaolin Calcined is mainly used for manufacturing high-quality refractory products, refractory castable, sagger, firebrick, kiln furniture, crucibles, ceramic fiber, precision casting sand, ceramics products, etc.

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Product Description

Product Detail

Calcined kaolin is an anhydrous aluminium silicate produced by heating natural kaolin at high temperature. 

The calcination process increases the whiteness,improves the electrical property and alters the shape of the kaolin particles.

Application:

Kaolin Calcined is mainly used for manufacturing high-quality refractory products, refractory castable, sagger, firebrick, kiln furniture, crucibles, ceramic fiber, precision casting sand, ceramics products, etc.

Washed kaolin can be used in the fields of papermaking industry, ceramic industry, rubber industry and ceramic industry etc. The modified products through deep processing can become the ideal raw material for paper making, rubber, paint, paint and other industrial sectors

Item

Standard

Brightness (ISO%)   

92.0min  

90.0min   

93.0min

Sedigraph(% finer than 2um)  

83.0min  

60.0min    

75.0min

Screen Residue(retained 325mesh,%)  

0.01max  

0.01max  

0.01max

Moisture Solid(%)   

1.0max   

 1.0max 

1.0max

PH slurry as shipped dry@20% 

 6.0-8.0  

6.0-8.0 

6.0-8.0 

Oil absorption(castor oil,g/100g) 

55.0-75.0 

55.0-65.0 

60.0-75.0

Item

Standard

SiO2(%)

53±2

AL2O3(%)

44±2

Fe2O3(%)

<0.50

TiO2(%)

<0.8

Cao(%)

<0.5

MgO(%)

<0.3

K2O(%)

<0.1

Na2O(%)

<0.2

MnO(%)

<0.004


 

Product Pictures   


Washed/Calcined Kaolin

Washed/Calcined Kaolin

Washed/Calcined Kaolin

Washed/Calcined Kaolin


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