Jinsha Precipitated Silica Manufacturing Co., Ltd. is one of the leading manufacturers and suppliers of high purity amorphous silica (sio2) powder for coating 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.
High purity amorphous silica (SiO2) powder for coating
| Material: | Silica powder, silicon dioxide ,precipitated silica superfine powder for coating |
|---|---|
| Application: | Paint and pigmeng |
| Certification: | ISO |
| Transport Package: | Valve Plastic Woven Bag, Pallet |
| Specification: | 10kg/bag, 20kg/bag |
| Samples: |
for free |
|---|
The precipitation method of silicon dioxide is commonly used as a thickening and anti-settling additive in the paint industry. It is added to prevent settling and suspension of fillers and other auxiliaries in the resin, ensuring that they are evenly dispersed without any precipitation. The thixotropic effect of silicon dioxide also helps in improving the performance of the paint.
In this method, silicon dioxide is added to the paint formulation, and the mixture is allowed to settle down. The heavier particles settle at the bottom of the container due to gravity, while the lighter particles remain suspended in the solution. This separation of particles helps in achieving a homogenous dispersion of the filler in the paint.
The anti-settling property of silicon dioxide is due to its high surface area and the hydrophilic nature of its surface. It forms a strong interaction with the water molecules present in the paint, thus preventing the particles from settling down. The thixotropic effect of the additive helps the paint to maintain its consistency even in conditions of high shear forces.
The use of silicon dioxide as an additive in paint formulations not only prevents settling and improves the homogeneity of the mixture, but it also enhances the performance of the paint. It helps in improving the scratch resistance, gloss, and stability of the paint. Additionally, it also increases the durability of the coating, making it more resistant to weathering, exposure to ultraviolet radiation, and other environmental factors.
In conclusion, the use of the precipitation method of silicon dioxide as an additive in the paint industry has proven to be highly efficient in preventing settling and achieving a homogenous dispersion of fillers and auxiliaries in the resin. Its thixotropic properties improve the performance of the paint, making it more durable and resistant to environmental factors.
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