Home    Company News    The magical effect of fumed silica in coatings

The magical effect of fumed silica in coatings

Hits: 833 img

In the field of coatings, fumed silica is like a hidden behind-the-scenes hero, silently playing many vital roles and making great contributions to the improvement of coating performance and the expansion of its application.

1. Enhance the stability of coatings
Fumed silica has extremely high specific surface area and surface activity, which can adsorb various components in the coating, make them evenly dispersed in the system, and effectively prevent the sedimentation and agglomeration of pigments, fillers, etc. Like a loyal guard, it always maintains the order inside the coating to ensure that the coating always maintains stable performance during storage and use. This stability not only extends the shelf life of the coating, but also makes the coating easier to operate during construction and the coating quality is more uniform and consistent.

2. Optimize the rheological properties of the coating
The rheological properties of the coating are crucial to the construction process. Fumed silica can form a three-dimensional network structure in the coating, which can give the coating good thixotropy and pseudoplasticity. When the paint is subjected to external forces, such as stirring or brushing, the mesh structure is destroyed, the viscosity of the paint is reduced, the fluidity is enhanced, and it is easy to apply; when the external force disappears, the mesh structure will quickly recover, the viscosity of the paint will rise again, and the occurrence of sagging will be prevented. This is like installing an intelligent "flow controller" for the paint, so that the paint can be easily and evenly applied during construction, and can be quickly fixed on the surface after brushing to form a flat and smooth coating.

3. Improve the hiding power and gloss of the paint
In the paint, hiding power and gloss are important indicators to measure its quality. The fine particles of fumed silica can be evenly distributed in the coating, and by scattering and reflecting light, the hiding power of the paint is improved, so that the coating can better cover the color and defects of the substrate. At the same time, it can also optimize the surface flatness of the coating, reduce the diffuse reflection of light, thereby increasing the gloss of the coating and giving the coating a brighter appearance. The use of fumed silica paint is like putting a dazzling coat on the object, which can show excellent visual effects both indoors and outdoors.

4. Enhance the wear resistance and scratch resistance of the coating
During the use of the coating, it is often affected by various frictions and scratches, and the addition of fumed silica can significantly improve the wear resistance and scratch resistance of the coating. It can form a solid skeleton structure in the coating, enhance the hardness and toughness of the coating, and make the coating more wear-resistant and scratch-resistant. It is like putting on a layer of solid armor for the coating, so that it can resist physical damage from the outside world, extend the service life of the coating, and maintain the beauty and integrity of the surface of the object.

5. Improve the weather resistance and chemical corrosion resistance of the coating
Coatings used outdoors need to have good weather resistance and chemical corrosion resistance to resist the erosion of natural factors such as sunlight, rain, temperature changes, and various chemicals. Fumed silica can absorb and scatter ultraviolet rays, reduce the damage of ultraviolet rays to the coating, and at the same time it can form a close bond with the resin and other components in the coating, improve the density of the coating, and prevent the intrusion of moisture, oxygen and other corrosive substances. This enables the coating to maintain stable performance under harsh environmental conditions, not easy to fade, peel off and corrode, and provide long-term and reliable protection for the coated objects.

In short, fumed silica, with its unique physical and chemical properties, plays an important role in many aspects of coatings, bringing new opportunities and challenges to the development of the coatings industry. With the continuous advancement of science and technology and the continuous improvement of people's requirements for coating performance, it is believed that the application of fumed silica in the field of coatings will be more extensive and in-depth, creating more excellent coating products to meet the needs of different fields. Whether in construction, automobiles, furniture or other industrial fields, fumed silica will continue to show its magical charm and add more color and quality assurance to our lives.

Recommend

    Online QQ Service, Click here

    QQ Service

    What's App