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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

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Product Series

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Type

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SDE710

SDE711

SDE712

SDE713

SDE714

SDE715

SDE716

DBP

cm3/

100g

80~95

85~110

60~80

95~115

125~175

175~200

200~260

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≥98

Drying Loss

4.0~7.0

Ignition loss (dry basis)

≤7.0

≤6.0

pHï¼ˆ5% aqueous solutionï¼‰

7.2~8.5

D50

4~15

Sieve Residue 45um

≤1.5

mg/kg

≤0.1

Na2O

mg/kg

≤1

Na2SO4

mg/kg

≤0.4

Fe2O3

ppm

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Al2O3

ppm

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≤1.0

Microbial Content

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≤2

≤3