Guangzhou Ecopower New Material Co., Ltd is a high-tech oriented company having own factories and production lines; Ecopower has been specializing in manufacturing and distributing products of silane coupling agent, precipitated silica, petroleum hydrocarbon resins and CSM rubber, which are widely used in rubber tires, footwear, printing ink, painting, coatings and adhesives industries, etc. The sales center is located in Yuexiu District of the Guangzhou city.As an innovative chemical raw material supplier, we not only provide products to customers, but also render technical advice and solutions as well.
Precipitated Silica Factory is located in Fujian China, covers an area of 310,000 square meters, which is rich in mineral and water resource, near to sea port. Meantime we also had 16 technical patents know how technology to produce precipitated silica. As well as strong QA and QC quality system. It can offer high quality and competitive price to our customers in the world
Sio2 precipitated silica silicon dioxide powder price ZC-HD 165MP used in tire industry
Chemical Name: SiO2.nH2O
Physical Properties:
White powder form superfine silica,which is made by specific sol-gel method process.It can be dissolved by NaOH,HF. Other kinds of acid, water and organic solvents cannot dissolve the product. Resistance to high temperature, no combustion,good insulation, odourless and good extinction properties.
| Test Item | Target Values(Spec.Limits) |
| Appearance | White Powder |
| BET specific surface area m2/g | 320 - 400 |
| SiO2 % Min | 99 |
| Heating Loss at 105℃ 2h % Max | 8.0 |
| Ignition Loss at 1000℃ 2h% Max | 7.0 |
| pH Value(5% aqueous suspension) | 5.0 - 7.0 |
| DBP absorption Value cm3 /g | 2.0 - 3.5 |
| Total Fe mg/kg Max | 200 |
| Pore volume cm3/g | 1.8 - 2.2 |
| Whiteness Min | 94 |
Application
Green tire, Low rolling resistance tire, Winter tire. 
1. Package: 10kg/bag.
2. Storage: Kept in a low temperature, dry and ventilated place, avoid direct sunlight.
3. Shelf life: One year in ventilating, cool and dry area.
