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  • Name: Calcined Kaolin
  • Model: 1001.07
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Calcined kaolin

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.
Physical Properties

   Whiteness

325 mesh Screenings

Oil Absorption

PH

Moisture

92%±1

≤0.003%

≥62%

6.5-7.5

≤0.5%

   

Chemical indicators

SiO2

Al2O3

Fe2O3

TiO2

52%-54%

44%-46%

≤0.35%-3%

≤0.1-0.5%

Main use
● In paper industry:  It is widely used in paper coatings and fillers.
● In rubber industry: It is mainly used as a reinforcing agent and filler.
● In plastics and cable industry:  It can effectively improve the strength and modulus of resistance.
● In polyvinyl chloride (PVC) cable insulation outer:  It can increase the volume resistivity and inexpensive.
● In nylon :To improve its deflection and tensile strength.

   

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