Excellent Hydrophilic Fumed Silica Powder For Adhesive

Introductions

Hydrophilic Fumed Silica Powder is an essential ingredient in adhesive formulations due to its excellent performance and 

versatility. It is a fine white powder that is highly dispersible in water and other polar solvents, making it ideal for use in 

water-based adhesives.

Here are some reasons why hydrophilic Fumed Silica powder is excellent for adhesives:

1. Rheology control: Fumed silica powder acts as a thixotropic agent, meaning it thickens the adhesive when at rest and 

thins it when subjected to shear forces. This property allows for better control of viscosity and prevents sagging or dripping 

during application.

2. Reinforcement: The high surface area and unique structure of fumed silica powder provide reinforcement to the adhesive 

matrix, improving its mechanical properties such as tensile strength and impact resistance.

3. Improved adhesion: Hydrophilic fumed silica powder enhances the adhesive's ability to bond to various substrates, including 

metals, plastics, and composites. It promotes better wetting and spreading of the adhesive, leading to stronger and more durable 

bonds.

4. Anti-settling and anti-sagging: The addition of hydrophilic fumed silica powder prevents settling and sagging of solid particles 

in the adhesive formulation, ensuring a stable and homogeneous product with consistent performance.

5. Improved shelf life: Fumed silica powder acts as a thickening and suspending agent, preventing the separation of components 

and maintaining the stability of the adhesive over time. This extends the shelf life of the adhesive and reduces waste.

6. Versatility: Hydrophilic fumed silica powder can be used in a wide range of adhesive systems, including pressure-sensitive 

adhesives, structural adhesives, sealants, and coatings. It is compatible with various polymers and can be easily incorporated 

into existing formulations.

When selecting hydrophilic fumed silica powder for adhesive applications, it is important to consider factors such as particle size, 

surface area, and purity. These properties can affect the performance and efficiency of the adhesive. Additionally, manufacturers 

should ensure that the fumed silica powder meets the necessary regulatory and quality standards for their specific application.

Technique Indices

Application

Coating System, unsaturated polyester, silica rubber, printing ink , Cosmetics etc

Storage

Once opened, the bag must be tightened in order to prevent the rest of the product from samp and pollution.

Anticorrosion Pigments, Inkjet Receptive Coating, Matting Agent