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Tooth Grade - SDE Series_Precipitated silica-Dalian Fuchang Chemical Co., Ltd.
Tooth Grade - SDE Series

Chemical Formula:SiO2

CAS NO:7631-86-9

HS Code: 28112200

Tooth Grade - SDE Series

 

Silicon dioxide for SDE series’ toothpaste is amorphous powder, which is tasteless and insoluble in water or 

 

acid, showing as chemical inertness, with good compatibility with fluoride and other materials in toothpaste. 

 

The structure and particle size of silicon dioxide can be controlled by production condition. By aiming at

 

different types of toothpaste, three kinds of products are made: friction type, mixed type and thickening type. 

 

 

 

Product Series

 

Abrasive Silica

Mixed Silica

Thickener Silica

Type

 

FUSIL®-

SDE710

FUSIL®-

SDE711

FUSIL®-

SDE712

FUSIL®-

SDE713

FUSIL®-

SDE714

FUSIL®-

SDE715

FUSIL®-

SDE716

DBP

cm3/

100g

80~95

85~110

60~80

95~115

125~175

175~200

200~260

Silica(dry basis) 

%

≥98

Drying Loss

%

4.0~7.0

Ignition loss (dry basis)

%

≤7.0

≤6.0

≤6.0

pH(5% aqueous solution)

 

7.2~8.5

D50

um

4~15

Sieve Residue 45um

%

≤1.5

≤1.5

≤1.5

Cl

mg/kg

≤0.1

≤0.1

≤0.1

Na2O

mg/kg

≤1

≤1

≤1

Na2SO4

mg/kg

≤0.4

≤0.4

≤0.4

Fe2O3

ppm

≤200

≤200

≤200

Al2O3

ppm

≤2000

≤2000

≤2000

Free Crystalline Silica

 

≤1.0

≤1.0

≤1.0

Microbial Content

 

≤200

≤200

≤200

Pb

 

≤10

≤10

≤10

As

 

≤2

≤2

≤2

Hg

 

≤3

≤3

≤3

 

 

 

 

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