| CAS No.: | 7631-86-9 |
|---|---|
| Formula: | Sio2 |
| EINECS: | 231-545-4 |
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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(105ºC)% |
≤10 |
≤10 |
≤10 |
|
Loss on ignition (900 ºC) % |
≤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 (20ºC) |
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 |
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.
Our workshop has hundreds of employees and 9 advanced production lines. With sophisticated production equipment and production technology, the whole process from ingredients to products out of the warehouse adopts DOS system automatic control, the production workshop is sealed, clean, sterile, complete testing and laboratory equipment, and the workers are professional. Product quality is stable and reliable, trustworthy, welcome friends from all walks of life at home and abroad and new and old customers to negotiate business, sincere cooperation, create a better future.
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.
We have a full set of quality system certification, food safety management system certification etc.
1. 26 years of professional experience, cover an area of 10, 000 square meters, with more than 300 employees,
and have 9 AUTO production lines.
2. Large quantity stock will meet your shipment, ship to you immediately.
3. Superior quality wins us the trust from clients, quality first is always our principle. We control all processes strictly.
4. Creation and Innovation have already been meeting the increasing demands of customers.
5. Professional Team makes more communication more easy to understand during the negotiation.
6. Delivery on time will be ensured.
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