Jinsha Precipitated Silica Manufacturing Co., Ltd. is one of the leading manufacturers and suppliers of hydrated white carbon black 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.
Hydrated Silicone Dioxide for Silicone Rubber
Precipitated silica is a type of white carbon black that is commonly used in the production of silicone rubber. This material is characterized by its finely divided particles, which give it a high surface area and unique properties such as high fluidity, excellent dispersibility, and low oil absorption.
One of the most important applications of precipitated silica in silicone rubber is as a reinforcing filler. This material can significantly improve the mechanical properties of silicone rubber, including tensile strength, tear resistance, and abrasion resistance. It can also improve the processing properties of silicone rubber, such as viscosity, flow, and cure rate.
In addition to its use as a reinforcing filler, precipitated silica is also widely used as an anti-blocking agent in various applications. This material can be added to coatings, plastics, and films to prevent them from sticking together or to other surfaces. This property is particularly important in applications where films or coatings need to be stacked or wound into rolls.
Other applications of precipitated silica in silicone rubber include as a flatting agent, which can reduce the gloss of coatings, and as a rheology modifier, which can improve the thixotropic properties of liquids. This material can also be used in food and pharmaceutical applications as an anti-caking agent or as a carrier for active ingredients.
Overall, the unique properties of precipitated silica make it an essential component in the production of silicone rubber and countless other applications. Its high performance and versatility make it a popular choice for manufacturers across many industries.
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
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