Application of Nano silica powder

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Nano-manufacturer Buffalotours (aka. Buffalotours Nano Technology Co. Ltd., after many years of exploring Nano-powders as well as accumulating sales experience, has summarized specific uses for Nano-silica.



Light-transmissive silica can be used to make plastics lighter. It also has smaller particle sizes, making them more malleable. Polystyrene films with silica can be improved in transparency, strength and toughness. They also have improved waterproofing and anti-aging performances.


While rubber has excellent flexibility, it is not able to provide a complete performance. To increase the strength and resistance to wear, as well as the aging resistance, rubber products are often made with carbon black. Although the product is not very high-quality, it’s necessary to add carbon black because of its color. China’s advent of nanoSiO2 in China laid the foundation for a new generation rubber products. These products will be able to produce novel colors as well as excellent performance.

A small amount of nanoSiO2 was added to normal rubber. Its abrasion resistance and tensile strength are significantly improved. The color retention is also excellent.


While organic dyes can be brightly colored and offer strong color fidelity, they are less resistant to heat, light, solvent, migration and other environmental factors than inorganic. Surface modification of organic dyes with nano-SiO2 improves not only the anti-aging ability but also the brightness, hue, saturation.




Nano-additives that are not traditional can be used to enhance ceramic materials. They also act as the second phase particles. This improves strength, toughness, and flexibility of ceramics. Nanoparticles are less effective than Nanoparticles.


Use of nano-SiO2 in the composite of ceramic substrates not only enhances density, toughness, smoothness, and sintering temp but it also significantly reduces them. The application of nano-SiO2 to ceramic products, such as ceramic filters or corundum ball is another important benefit.

Sealant Adhesive

It is important to have a variety of sealants and adhesives available. You need to provide the ideal conditions for product viscosity and fluidity as well as curing speed. Many foreign products have started to incorporate nano-materials in their modification. Nano-SiO2 has been the favorite material. The sealant is usually coated with organic material to hydrophobicize nano-SiO2. The formation of a silica structure quickly occurs. That is, small Nano-SiOX nanoparticles form a network structure which inhibits colloids flow, speeds up curing, and enhances bonding. Because of their tiny size, nano-SiO2 particle’s impermeability and sealing properties are enhanced.

Product in Glass

FRP products offer the benefits of lightweight, strength and resistance to corrosion, but they are also very hardy and wear-resistant. By ultrasonic dipersion, scientists add nanoSiO2 resin to gel coat resin and compare performance with gel coats without.


It has been found that it’s Mohs toughness, which was originally 2.2, has now increased to 2.82.9 Grade 3, level 3 of the hardness for natural marble. This means the wear resistance can be increased up to two times. Nanoparticles made of organic polymers and other materials have grafting or bonding which increases the material’s toughness. This means that the material has a 1x increase in tensile strength as well as impact strength. Also, heat resistance has been significantly improved as well.

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