China industrial grade Fumed silica SiO2 for coatings
W-20
Hydrophilic Fumed silica
W-20 is a high purity white powder, with a specific surface area of 200m²/g.
Control rheology and thixotropy;
Reinforce organic silicone elastomer;
Improve the free flow of powder and prevent from agglomeration;
Adsorbent;
Anti-settling, thickening, anti-sagging;
W-20 typical properties
| Item | Unit | Data |
| Specific surface area | m²/g | 200 ± 30 |
| pH (4% suspensions) |
| 3.7 - 4.7 |
| Loss on drying (105ºC, 2h) | wt.% | ≤ 1.5 |
| loss on ignition (1000ºC, 2h) | wt.% | ≤ 2.0 |
| SiO2 content | wt.% | ≥ 99.8 |
| Packing density | g/l | 50 |
Application field
Adhesive and sealant
High temperature silicone rubber and liquid silicone rubber
Printing ink
Paints and coatings
Food and cosmetics
Pharmaceuticals
Packaging
10kg, multi-wall paper bag, with polyethylene coating.
Storage
W-20 is not easy to have chemical degradation. Store the products in a place away from water and other chemical materials.
It is recommended to use the products within two years after the date of production.
The Basta Group was founded in 2004 in Hezhou, Guangxi Province, which is the first mineral resources province in China. It is a professional and comprehensive large-size and high-tech chemical manufacturer with the integration of development, production and sales of powders. The Group has owned two powder production bases (The Sun Chemical Materials Co., Ltd and The Basta Chemicals Co., Ltd. ), and is specialized in the production of chemical powders such as Barium Sulfate, Ground Quartz, Titanium Dioxide, Nano Calcium Carbonate, Light Calcium Carbonate, Activated Calcium Carbonate, Heavy Calcium Carbonate, Talc Powder, Transparent Powder, Dolomite powder and Filler Masterbatch. Products are widely used in coating, plastics, rubber, paper-making, toothpaste, adhesives and ink industries.
The Basta Group has owned several high quality ore mines, with sufficient reserve and high purity, to ensure the supply of rich resources for the long-term development of enterprises. Abound in gifts of nature, with advanced production equipment, advanced technology and scientific management system, the Basta Group has developed and expanded constantly since its establishment. The annual output of chemical powder has reached 400, 000 tons. Our stable quality and high quality service are well-received and supported by vast customers.
Basta Group, with its headquarters in Foshan, Guangdong, has over 500 employees and total assets of over RMB three billion. Products of Basta Group have established a high reputation and influence on the market in the past ten years since its founding. "GUANGRI" and "BASTA" series products are well sold all over China and abroad. In order to meet the increasing demands of customers, Basta Group is working on increasing its productivity. By 2019, the annual output of Basta Group will reach one million tons.
The Basta Group will carry forward the business administration principles of producing best quality products with advanced technology", to constantly meet the requirements of customers on the quality of products, develop both domestic and overseas markets, strive for a speedy development and achieve the goal of becoming a new material manufacturer with an annual output of one million ton.
