Jinsha Precipitated Silica Manufacturing Co., Ltd. is one of the leading manufacturers and suppliers of silica filler 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.
Silica Filler for Silicone Rubber
The use of silica filler for silicone rubber has countless advantages that make it a popular choice among manufacturers. Silica is a naturally occurring mineral that has been proven to be an effective reinforcing agent for elastomers like silicone rubber. It provides a number of physical properties that are necessary for a wide range of applications.
One of the key benefits of silica filler is its ability to improve the strength and durability of silicone rubber. When added to the compound, silica particles fill the voids between the polymer chains and create a stronger, more robust material. This increased strength also leads to greater resistance to tearing, abrasion, and cut-through, making it ideal for use in high-stress applications.
Advantage of silica used in silicone rubber:
1.Silica filler also has low shrinkage, excellent heat resistance, and superior electrical insulation properties. This makes it valuable in a range of industries, from automotive to aerospace. In addition, the use of silica also results in better processability and increased production efficiency. Its ability to maintain consistent properties over time also means that it can be used in long-term applications, such as in medical devices.
2.Furthermore, the use of silica filler is eco-friendly as it is a naturally occurring mineral. It is also non-toxic and safe for use in various applications. Overall, silica filler for silicone rubber has a host of positive attributes that make it an ideal choice for a wide range of applications in various industries.
3.In conclusion, the use of silica filler for silicone rubber provides numerous benefits that make it a popular choice among manufacturers. Its ability to improve strength, durability, and processability, as well as its eco-friendliness and safety make it an ally for various industrial applications.
Specification:
|
Test Methods |
Properties |
Units |
Target Values (Spec Limits) |
Actual Values |
|
HG/T3065-2008 |
Loss on drying (2Hrs,105℃)加热减量 |
% |
Max.6.0 |
5.15 |
|
HG/T3066-2008 |
Ignition loss 1000℃ 灼烧减量 |
% |
Max.6.0 |
3.90 |
|
HG/T3072-2008 |
DBP absorption value DBP吸收值 |
cm3/g |
2.3-2.6 |
2.48 |
|
HG/T3067-2008 |
pH value (10%aqueous suspension) pH值 |
— |
6.0-8.0 |
6.58 |
|
HG/T3062-2008 |
SiO2 (Dry Basis) 二氧化硅(干基） |
% |
Min.96 |
98.4 |
|
HG/T3073-1999 |
BET specific surface area BET比表面积 |
m2/g |
140-170 |
148 |
|
|
Soluble salt (Na2SO4) 可溶性盐 |
% |
Max.0.5 |
0.25 |
|
|
Content of Fe 铁含量 |
Mg/kg |
Max.200 |
145 |
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