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Washed Kaolin

Classification:

Kaolin series

English Name:

Washed kaolin

Molecular formula:

Al₂O₂•2SiO₂•2H₂O

Molecular weight:

258.16 (according to the 1979 International Atomic Scale)

CAS No:

1332-58-7

EINECS:

265-064-6

H.S. Encoding:

2507001000


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Product Description

Washed Kaolin

English Name:Washed kaolin

PointsSubtype:  Al2O3·2SiO2·2H2O

PointsSub-quantity:258.16(Press1979 International Atomic Table)

C A S No:1332-58-7   

EINECS号: 265-064-6     

H.S. Encoding:2507001000

Performance:This product is mainly composed of igneous rocks, hydrothermal rocks and other parent rocks in the rock through natural weatherization. It is a light gray to light yellow powder, and the particles are hexagonal flake crystals. Slightly soluble in hydrochloric acid or acetic acid at room temperature.

Use:Used in high-grade paint, paint, ink, rubber, plastic, wire, cable, etc.

Features:It has the advantages of good crystallization, high purity, fine particle size, moderate oil absorption, strong covering rate, good dispersion, etc., easy to disperse in the rubber compound, easy to process, smooth surface of the rubber compound, and is conducive to the dispersion of carbon black in the rubber compound when used together with carbon black..

Technical indicators

Measurement Items

Testing Items

Washed Kaolin

YL-400

Washed Kaolin

YL-500

Granularity (um)

 Parcicle Size

 

3.8±0.2

 

2.8±0.2

Specific gravity (g/cm3)

Specific Gravity

 

2.6

 

2.6

Refractive rate

Refractive index

 

1.58

 

1.58

Whiteness

Whiteness

 

85±0.5

 

91±0.5

PH value

4.5-6.5

6.5-7.5

Water (%)

Moisture

 

0.4max

 

0.30max

oil absorption

Oil Absorption

 

45-55

 

40-45

Loss on ignition

Loss on ignition

13-14

13-14

Net weight of package (Kg)

Net Weight

 

25

 

25

 

Key words:

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