Jinsha Precipitated Silica Manufacturing Co., Ltd. is one of the leading manufacturers and suppliers of silica in the application of anti-corrosion coatings 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 in the Application of Anti-corrosion Coatings
Silica is commonly used in anti-corrosion coating formulas as a thickening, rheology-modifying, and anti-settling additive. Its thickening effect ensures that fillers and other additives are evenly dispersed in the resin, preventing sedimentation. Its rheology-modifying effect gives the coating excellent anti-sag and high-build properties, improving its application performance.
In addition, silica has outstanding anti-corrosion properties. It can react with the moisture contained in the air or on the substrate surface and form a silica gel, which protects the underlying metal surface from further corrosion. The fine particles of silica can fill the pores and cracks of the substrate surface, effectively isolating the metal from the corrosive environment.Silica can be incorporated into various coatings, such as epoxy, polyester, acrylic, polyurethane and silicone coatings. It can be utilized in both water-based and solvent-based coatings. By adding silica to the anti-corrosion coating, the coating can provide a long-term corrosion protection and enhance the durability of the substrate.
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In conclusion, silica plays an important role in anti-corrosion coatings. Not only does it improve the flow and sag control of the coating, but it also enhances the coating's anti-corrosion properties. Therefore, the application of silica in anti-corrosion coatings is a positive and effective method to prevent corrosion and ensure the quality of the coating.
JS-500
|
No |
Properties |
Units |
Target Values (Spec Limits) |
Actual Values |
|
1 |
Appearance 外观 |
— |
白色粉末 |
白色粉末 |
|
2 |
Particle size D50 粒径 D50 |
μm |
— |
4.0 |
|
3 |
Pore volume 孔容 |
ml/g |
— |
0.4 |
|
4 |
BET specific surface area BET比表面积 |
m2/g |
— |
540 |
|
5 |
DBP absorption value DBP吸收值 |
ml/100g |
— |
70 |
|
6 |
SiO2 (Dry Basis) 二氧化硅(干基） |
% |
Min.98 |
99.05 |
|
7 |
Loss on drying (2Hrs,105℃)加热减量 |
% |
Max.4.0 |
3.5 |
|
8 |
Whiteness 白度 |
— |
Min.94 |
96 |
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