Specification
Hydrophilic Fumed Silica powder is a versatile material commonly used in coatings due to its unique properties. Fumed Silica
is a fine powder made of amorphous silica particles that have been chemically treated to enhance their hydrophilic properties.
This means that the silica particles have a strong affinity for water, making them ideal for use in water-based coatings.
In coatings, hydrophilic Fumed Silica Powder serves several important functions. It acts as a thickening agent, improving the
viscosity and flow of the coating material. This helps to create a smooth and even application, resulting in a more uniform
coating finish. Additionally, fumed Silica Powder can help to improve the durability and scratch resistance of coatings, making
them more resistant to wear and tear.
Furthermore, hydrophilic fumed silica powder can also enhance the adhesion of coatings to various substrates, providing better
bonding and long-lasting performance. Its hydrophilic nature allows it to easily disperse in water-based coatings, ensuring a
consistent distribution of the silica particles throughout the coating material.
Overall, hydrophilic fumed silica powder is a valuable additive for coatings, offering improved performance and durability for a wide
range of applications. Its unique properties make it a popular choice for manufacturers looking to enhance the quality and
functionality of their coatings.
Application:
1. Paints and Coatings.
2. Elastomers, especially HTV Silicone Rubber.
3. Unsaturated Polyester Resins and Films
4. Adhesives and Sealants
5. Printing Inks
6. Plant Protection
7. Cosmetics
Properties
1. Reinforcing filler in elastomers.
2. Rheology and thixotropy control of liquid systems, binders, polymers.
3. Used as anti-settling, thickening, anti-sagging agent.
4. Impovement of free flow and anti-caking characters of powders.
5. Excellent transparency in unsaturated polyester resins.
Chemical Data
| Property | Unit | Typical Value |
| Specific surface area(BET) | M2/g | 300±20 |
| PH Value in 4% dispersion | / | 3.7-4.5 |
| Loss on dying(2h@105C) | Wt% | ≤2.0 |
| Loss on ignition(2h@1000C,based on material dried for 2h@105C) | Wt% | ≤2.0 |
| Sieve residue(45um) | Wt% | ≤0.04 |
| Silica content(Based on ignited material) | Wt% | ≥99.8 |
| Tamped density(Based on material dried for 2h@105C) | g/L | 40-60 |
| Carbon content(Based on material dried for 2h@105C) | g/L | ≤0.15 |
Anticorrosion Pigments, Inkjet Receptive Coating, Matting Agent
