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Toothpaste Grade Silica
Toothpaste
Toothpaste Grade Silica
◆Description of products
Precipitated toothpaste grade silica is amorphous white powder, are soluble in water and acid, with chemical inertness，and has good compatibility with other materials and fluoride in toothpaste, can annually produce 1500 tons in 2013.These products are mainly used in toothpaste, food, medicine and so on.
◆Description of products
Silica can be used as filler and abradant in transparent coloring or opaque toothpastes. Such toothpastes enjoy good flexibility and dispensability, and the paste show great smoothness, softness and abrasiveness. The silica can maintain the medicine property of medicinal toothpastes, and it demonstrates nice compatibility with fluoride in the paste which can avoid insoluble salts caused by calcium salt as abradant.
◆The specification, feature and application
| Item | specification | specification |
| Grade | GS-70(abrasive) | GS-701(thickening) |
| Process | precipitated | precipitated |
| Form | White powder | White powder |
| Whiteness | ≥96 | ≥96 |
| SIO2 content | ≥98 | ≥98 |
| PH value | ≥7 | ≥7 |
| Average particle size um | 13-15um | 9-11um |
| Heating loss% 105℃2h | ≤8 | ≤6 |
| Ignition loss％ 900℃2h | ≤8.5 | ≤6.5 |
| DBP absorption oil value ml/20g | 18-20 | 40-60 |
| Na2SO4 content % | ≤0.4 | ≤0.4 |
| Sulfide content | naught | naught |
| Iron content mg/kg | 149 | 149 |
| NaCl content% | ≤0.1 | ≤0.1 |
| Heavy metal content mg/kg | ≤15 | ≤15 |
| As content mg/kg | ≤2.0 | ≤2.0 |
| Germ cfu/ g | ≤200 | ≤200 |
| Health certification No. | LWSZZ(2007) No. 370000-000082 | LWSZZ(2007) No. 370000-000082 |
| Produce certification No. | XK13-217-00815 | XK13-217-00815 |
| Application scopes | Widely used in toothpaste, the configuration and particle size of silicon dioxide can be controlled in producing, also controlled the polishing effect, easy to produce, it has good cleaning effect and also not damage teeth, another characteristic of silicon dioxide is can be used in producing transparency toothpaste. | |
