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Application of Nano silica powder

Nano-manufacturer (aka. Technology Co. Ltd. has summarized Nano-silica’s specific uses after decades of exploring Nano-powders.



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. The grade of the rubber is low because the carbon makes it all black. 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 is also brighter and retains its color well.


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 and saturation.




Nano-additives that are not traditional can also be added to ceramics. This allows for the addition of second-phase particles and Nano-particles, which will increase the strength and toughness as well as the hardness and elastic modulus. Nanoparticles are less effective than Nano-additives.


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 and ceramic balls, is very important.

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. A silica structure quickly forms, which is when the nano-SiOX tiny particles create a network structure to slow down the flow and increase the curing speed. Because of their tiny size, nano-SiO2 particle’s impermeability and sealing properties are enhanced.

Glass product

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.


The original Mohs hardness was 2.2. This is equal to the hardness for plaster. It has now increased to 2.82.9 Grade 3, which is level 3 of the hardness for natural marble. Nanoparticles made of organic polymers and organic polymers are more tough than the original 2.2. The material’s tensile and impact strengths have increased 1 times due to grafting or bonding. Also, heat resistance is greatly enhanced as we have already mentioned.

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