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Silicon Dioxide on Toothpaste Class
 

Silicon Dioxide on Toothpaste Class

Product Technical Specification:

Prodct type

Silicon Dioxide on Toothpaste Class (thickening)

Silicon Dioxide on Toothpaste Class (friction)

Silicon Dioxide on Toothpaste Class (mixed type)

Appearance

White powder

White powder

White powder

PH value (5% water-solubility)

5.5~7.5

6.5~8.5

6.5~8.5

Fineness %

Get through 320 mesh screen ≥98

Get through 320 mesh screen ≥98

Get through 320 mesh screen ≥98

Loss on drying(105℃)%

≤10

≤10

≤10

Loss on ignition (900 ℃) %

≤8.3

≤8.3

≤8.3

Sulfate %

≤0.4

≤0.4

≤0.4

Chloride %

≤0.1

≤0.1

≤0.1

WhitenessWG, %

≥93

≥93

≥93

Soakage ml/20g

54~60

17~20

30~42

Content of Sio2 %

≥96

≥96

≥96

Iron%

≤0.02

≤0.02

≤0.02

Refractive index (20℃)

1.435~1.460

1.435~1.460

1.435~1.460

Apparent densityg/ml

0.15~0.20

≥0.30

≥0.30

Other heavy metals (Pb) mg/kg

≤20

≤20

≤20

Arsenic mg/kg

≤2

≤2

≤2

total number of bacteriaCfu/g

≤200

≤200

≤200

*It is packed with plastic composite bags in which there is polyethylene bag. The net content is 10kg per bag. Or it can be packed as clients' requiment.
*The application of structure and granularity of silicon dioxide in toothpaste can be controlled depending on reaction condition. Its friction is also controlled. It can be produced into toothpaste which possesses cleaning power and does not harm dentin.
*Another feature of silicon dioxide is for making transparent toothpaste. Refractive index of silicon dioxide is from 1.43 to 1.45. When the refractive index of toothpaste which consits of water, sorbitol and glycerinum, is equal to silicon dioxide's, the toothpaste looks very transparent.

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