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Washed kaolin
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Washed kaolin

Affiliate classification
Chinese name :
水洗高岭土
English name :
Washed kaolin
Molecular formula :
Al₂O₂•2SiO₂•2H₂O
Molecular weight :
258.16 (according to the 1979 International Atomic Scale)
CAS :
1332-58-7
EINECS :
265-064-6
H.S. Coding :
2507001000
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Describe

 

Washed kaolin

 

Product NameWashed kaolin

 

Chemical FormulaAl2O3·2SiO2·2H2O     

 

Relative Atomic Mass258.16

 

C A S NO. 1332-58-7     

 

EINECS NO. 265-064-6      

 

H.S.Code: 2507001000

 

product introductionThis product is mainly composed of igneous rocks, hydrogenetic rocks and other parent rocks in the rocks decomposed by natural weathering. It is light gray to light yellow powder. The particles crystallize in hexagonal flakes. Slightly soluble in hydrochloric acid or acetic acid at room temperature.

 

introduction:It has the advantages of good crystallization, high purity, fine particle size, moderate oil absorption, strong coverage and good dispersion. It is easy to be dispersed and processed in the adhesive, and the surface of the adhesive is smooth. When used with carbon black, it is advantageous to disperse carbon black in the adhesive.

 

Application:Used for high-grade paint, coating, ink, rubber, plastic, wire, cable, etc.

 

Technical indicators:

 

Testing Items

Washed kaolin

YL-400

Washed kaolin

YL-500

 

 Parcicle Size(um)

 

3.8±0.2

 

2.8±0.2

 

Specific Gravity(g/cm3)

 

2.6

 

2.6

 

Refractive index

 

1.58

 

1.58

 

Whiteness

 

85±0.5

 

91±0.5

PH

4.5-6.5

6.5-7.5

 

Moisture(%)

 

0.4max

 

0.30max

Oil Absorption

 

45-55

 

40-45

 

Loss on ignition

13-14

13-14

 

Net Weight(Kg)

 

25

 

25

 

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