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Classification: Silicon Dioxide
CAS No.: 7631-86-9
Other Names: silicon dioxide for toothpaste
MF: SiO2
EINECS No.:
Place of Origin: China (Mainland)
Grade Standard: Food Grade,Medicine Grade
Purity: 99
Appearance: white powder
Application: toothpaste
Brand Name: DX
Model Number: DX-S70
particle size: 13-15um
grade: abrasive and thicker

Specifications

 

Toothpaste grade silicon dioxide

ITEMS

DX-S70

DX-S80

Form

White powder

White powder

Whiteness

98

98

SiO2  (dry basis) %

≥99.9

≥99.9

PH value

6.5-7.5

6.5-7.5

Drink value ml/20g

18-20

40-60

Average particle size  um

13-15

3-7

Sieve residue (45um)  %

<0.05

<0.05

Heating loss (105 for 2hr.) %

3.0-6.0

2.0-3.0

Ignition loss (1000 for 2hr.) %

3.0-5.0

3.0-4.0

Iron content  %

≤0.0015

≤0.0015

Sulfide content

naugh

naugh

Soluble salt (Na2SO4) %

≤0.02

≤0.02

Lead content %

≤0.0001

≤0.0001

NaCl content %

≤0.01

≤0.01

Heavy metal content %

≤0.001

≤0.001

Arsenic content %

≤0.00001

≤0.00001

package

10kg/bag

10kg/bag

Characters:

DX-S70 IS ABRASIVE GRADE,has been specially designed as abrasive agent which offers a superior polishing effect in toothpaste formulations.

 It has a superior polishing effect,which provides excellent clarity and transparency. It can be used in different toothpaste formulations,such as gels,opaque,anti-plaque and smokers.

DX-S80 IS THICKENING GRADE,has been specially designed as a thickening agent in toothpaste formulations to avoid viscosity variations caused by adding of detergents and aromaticoils.

  It is suitable for controlling rheology in all formulation types and it can offer high viscosity control.