Guangzhou ZIO Chemical Co., Ltd. is one of the leading manufacturers and suppliers of silicon dioxide sio₂ used for cosmetics/food in China. Welcome to buy bulk high quality chemicals in stock here from our factory. For price consultation, contact us.
Introduction：
silicon dioxide (chemical formula: the SiO ₂) is a kind of acidic oxides, the natural gas hydrates as silicate (H ₂ the SiO ₃). Silicon dioxide is one of the most important compounds of silicon. The natural silica in the earth accounts for about 12% of the crust's mass, and its existing forms can be classified into crystalline and amorphous types, collectively referred to as silica.It can be used in rubber, glass, cosmetics, food industry.
Specification:
| Item | Standard |
| Appearance | white powder |
| Mesh 20 | ≥65 |
| Mesh 60 | ≥75 |
| Heating loss(105°C 1.5h) % | 4.0~8.0 |
| ignition Loss 1000°C(Dry Basis) % | 3.0~7.0 |
| DBP (Oil absorption value) cm3/g | 2.00~2.80 |
| PH value(5% Aqueous Suspension) | 5.0~8.0 |
| SiO2(Dry Basis) % | ≥93 |
| BET Specific Surface Area m2/g | 105~135 |
| Salt As Na2SO4 % m2/g | <1.5 |
| Storage | in the shade |
| Packing | 15kg/bag |
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