Nano Silica Powder

Nano silica is characterized by small particle size, numerous micropores, large specific surface area, and high surface hydroxyl content. It is resistant to ultraviolet rays and It has the characteristics of strong light and infrared reflection ability, etc. Especially with the improvement of the surface treatment process of the product, the soft clusters of nanoparticles. The degree of polymerization is significantly reduced, and it has good compatibility with organic polymer materials, which greatly expands the application fields of the product.

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Product Description

Products Description

Nano silica is characterized by small particle size, numerous micropores, large specific surface area, and high surface hydroxyl content. It is resistant to ultraviolet rays and It has the characteristics of strong light and infrared reflection ability, etc. Especially with the improvement of the surface treatment process of the product, the soft clusters of nanoparticles. the degree of polymerization is significantly reduced, and it has good compatibility with organic polymer materials, which greatly expands the application fields of the product.

Model	Apperance	Partical size (nm)	Purity %	pH	Specific area (m²/g)	Product features and Application
YW-SP15	white powder	15	99.8	3-6	250±30	Large specific surface area and high transparency
YW-SP20	white powder	20	99.5	7-8	200±30	Porous structure, with excellent thickening effect, enhances the wear resistance and hardness of the coating.
YW-SP30	white powder	30	99.5	7-8	150±30	Good dispersion properties, can enhance the wear resistance and hardness of the coating.
YW-SP50	white powder	50	99.5	7-8	50±30	Good dispersion properties, can enhance the wear resistance and hardness of the coating.
YW-SP30S	white powder	30	99.5	--	150±30	Oily type, used in coatings, plastics, rubber, inks, etc., to enhance toughness and wear resistance.
YW-SP30H	white powder	30	99.5	7-8	150±30	Hydrophilic, good dispersibility in water, widely used in coatings, latex, paper.
YW-SP30G	white powder	30	99.5	--	150±30	Hydrophobic, used in coatings, plastics, rubber, ink, etc., for strengthening, toughening and wear resistance.
YW-SP30F	white powder	30	99.5	7-8	150±30	Good dispersion, high activity. It is beneficial for sizing, reinforcing, wear resistance, and reducing hair frizz.

Applications

1. ‌Coatings and Surface Treatments‌

Enhances weather resistance, UV resistance, and surface hardness of coatings, while improving adhesion, corrosion resistance, and self-cleaning properties of paint films‌.
Used in architectural coatings (indoor/outdoor) to optimize thixotropy, prevent sagging, and reduce color differences and aging effects‌.

2. ‌Rubber and Silicone Products‌

Acts as a reinforcing agent to significantly improve wear resistance, elastic recovery, and anti-aging performance of rubber, extending product lifespan‌.
Enhances strength, high-temperature resistance, and insulation properties when added as a filler in silicone rubber‌38.

3. ‌Plastics and Polymer Materials‌

Strengthens mechanical properties (e.g., toughness, heat resistance, dimensional stability) in plastics like PP and PVC‌.
Improves wear resistance and aging resistance in polymers through its 3D network structure‌.

4. ‌Electronic Encapsulation Materials‌

High-purity spherical nano-silica is used in integrated circuit packaging for superior dielectric properties, heat resistance, and low thermal expansion‌.

5. ‌Pharmaceutical and Food Industries‌

Serves as a drug carrier or food additive to enhance product stability and functionality‌.

6. ‌Textiles and Fibers‌

Reflects UV rays, improves weather resistance, and adds antibacterial properties to textiles, while boosting fiber strength and anti-aging performance‌.