Guangzhou ZIO Chemical Co., Ltd. is one of the leading manufacturers and suppliers of silicon dioxide food additive in China. Welcome to buy bulk high quality chemicals in stock here from our factory. For price consultation, contact us.
Silicon dioxide food additive
Mainly used as bulking agent of type, plastic shoes sole, also used in pesticide, dope and other silicon compound.
Silicon dioxide food additive
1. Product introduction
Product name:Silicon dioxide food additive
Molecular weight:60.0843
Melting point:1610 °C(lit.)
Boiling point:2230 °C
Density:2.6 g/mL at 25 °C(lit.)
Packing:10kg/bag or 20kg/bag
Fumed silica is the superfine micro-nano fine chemical product, which is divided into hydrophilic type and hydrophobic type in accordance with their different surface treatments. Its appearance is white powder. Native particle size ranges from 5nm to 40nm, with significant functions of thixotropy, reinforcing, thickening and filling. Therefore, it is widely used in the industries of rubber, sealant, plastic, resin, paint, printing ink, papermaking, medicine, cosmetics, food etc.
As a liquid thixotropic agent and thickener, precipitation, prevent sagging prevention;
Improved paint filler suspension and dispersion in liquid system;
Dispersion and grinding AIDS;
Improve coating corrosion resistance;
Cardiac liquidity powder, storage stability;
Improve film physical and mechanical properties;
Ink-jet printing coating;
Senior dental material filler;
Catalyst carrier, significant thermal insulation, used in low temperature and high temperature insulation.
2. Product specification
|
Product name |
Silicon dioxide |
|
|
Items |
Specifications |
Analysis results |
|
Appearance |
White loose powder |
White loose powder |
|
SiO2 Content % |
≥99% |
100% |
|
Identification |
Dark yellow |
Dark yellow |
|
Particle size |
Not less than 85% pass 125μm |
conforms |
|
Loss on drying % |
≤5.0 |
0.7 |
|
Residue on ignition |
≤8.5 |
0.2 |
|
PH value |
5.0-7.5 |
6.5 |
|
Chloride (Cl) % |
≤0.1 |
<0.1 |
|
Sulfate (SO4) % |
≤0.5 |
<0.5 |
|
Iron (Fe) % |
≤0.015 |
<0.015 |
|
Arsenic (As) % |
≤0.0003 |
<0.0003 |
|
Heavy metal (Pb) ppm |
≤30 |
<30 |
|
Total aerobe (cfu/g) |
≤40 |
40 |
|
Yeasts & Moulds (cfu/g) |
≤10 |
10 |
|
Escherichia coli |
Absent |
Negative |
3. Product details
4. Product qualification
We are specialized in food additives for many year. We have FDA, SGS, CNAS, ITAT, CO and health certificate etc.
5. Service and Shipping
6. FAQ
1.How to contact us ?
You can choose your interested products and send inquiry to us.
You can dial our telephone directly, you will get our reply.
Send Email to us.
2.Can you provide free sample?
Yes!
3. How about your factory's certification?
GMP, FAD, ISO, Kosher, etc.
4. How about the packing?
Usually we provide the packing as 25 kg / bag or carton.
5. How about the validity of the products?
According to the products you ordered.
6. What documents you provide?
Usually, we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.
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