Jinsha Precipitated Silica Manufacturing Co., Ltd. is one of the leading manufacturers and suppliers of precipitated method silicon dioxide for silicone rubber in China. With abundant experience, we warmly welcome you to buy high quality products made in China here from our factory. Contact us for more details.
Precipitated Method Silicon Dioxide for Silicone Rubber
Silica precipitation technology has contributed substantially to the advancement of the rubber industry by improving the mechanical and thermal properties of the rubber. Silica, in the form of precipitated silica, has been widely used as a reinforcing filler in the manufacture of silicone rubber.
The advantage of silica as filler lies in its larger surface area-to-volume ratio than other conventional fillers, such as carbon black. The high surface area of silica enhances its interaction with the rubber matrix, resulting in a stronger bond between the filler and rubber substrate. This leads to improved wear resistance, tear strength, and tensile properties.
Furthermore, the presence of silanol groups on the silica surface makes it highly compatible with various types of organic and inorganic couplers, allowing for a better dispersion of the silica filler in the rubber matrix. This results in a more homogeneous product and optimal reinforcement of the polymer network.
Another key benefit of silica is its thermal stability. Due to its amorphous nature and lack of impurities, silica can withstand high temperatures without degradation, making it ideal for use in high-temperature applications.
In conclusion, silica precipitation technology has revolutionized the rubber industry by providing a versatile and high-performance reinforcing filler for silicone rubber. The use of silica filler enhances the mechanical and thermal properties of the rubber, leading to longer product lifespan and improved performance.
Description:
JS-160
S-160
|
Test Methods |
Properties |
Units |
Target Values (Spec Limits) |
Actual Values |
|
HG/T3065-2008 |
Loss on drying (2Hrs,105℃)加热减量 |
% |
Max.6.5 |
5.50 |
|
HG/T3066-2008 |
Ignition loss 1000℃ 灼烧减量 |
% |
Max.7.0 |
3.71 |
|
HG/T3072-2008 |
DBP absorption value DBP吸收值 |
cm3/g |
2.00-3.50 |
2.45 |
|
HG/T3067-2008 |
pH value (10%aqueous suspension) pH值 |
— |
5.0-8.0 |
6.81 |
|
HG/T3062-2008 |
SiO2 (Dry Basis) 二氧化硅(干基） |
% |
Min.98 |
98.4 |
|
HG/T3073-1999 |
BET specific surface area BET比表面积 |
m2/g |
130-160 |
145 |
|
Soluble salt (Na2SO4) 可溶性盐 |
% |
Max.1.0 |
0.25 |
|
|
Content of Fe 铁含量 |
ppm |
Max.200 |
140 |
Packaging
20kgs/bag 16-18mts/40HQ
MOQ
1*40HQ
Hot Tags: precipitated method silicon dioxide for silicone rubber China, factory, suppliers, manufacturers, buy, made in China, ShaXian Sanming, Silica For Rubber, SiO2, Silicon Dioxide, White Carbon Black
