Hydrophilic Fumed Silica is a versatile and valuable ingredient for adhesives and sealants. Its ability to improve rheological
properties, enhance mechanical strength, and disperse easily in water-based systems makes it an ideal choice for various
applications in the adhesive and sealant industry.
Hydrophilic Fumed Silica is a type of silica that has been chemically treated to have a high affinity for water. Fumed silica is a
fine powder made of amorphous silicon dioxide, and it is commonly used as a thickening, suspending, and anti-settling agent
in various industries.
The hydrophilic treatment of fumed silica involves modifying the surface of the silica particles to increase their attraction to water molecules. This treatment improves the dispersibility and wetting properties of the silica in aqueous systems. It also enhances the
ability of fumed silica to form stable gels and suspensions in water-based formulations.
Hydrophilic fumed silica is widely used in industries such as coatings, adhesives, sealants, cosmetics, and pharmaceuticals. In
coatings, it is used to improve the rheological properties, thixotropy, and anti-sagging behavior of the paint. In adhesives and
sealants, it acts as a thickening and anti-settling agent, improving the stability and workability of the product.
In cosmetics, hydrophilic fumed silica is used as a suspending agent, providing a smooth and creamy texture to lotions, creams,
and gels. It also helps to control the flow properties and prevent the settling of pigments and other solid particles in cosmetic
formulations.
In pharmaceuticals, hydrophilic fumed silica is used as a pharmaceutical excipient, providing improved flowability, compressibility,
and tablet disintegration properties. It is also used as a carrier for controlled release drug delivery systems.
Overall, hydrophilic fumed silica is a versatile and valuable additive that enhances the performance and stability of various products
by improving their water compatibility and rheological properties.
| Property | Unit | Typical Value |
| Specific surface area(BET) | M2/g | 150±15 |
| PH Value in 4% dispersion |
| 3.7-4.5 |
| Loss on dying(2h/105℃) | Wt% | ≤1.5 |
| Loss on ignition(2h/1000℃,based on material dried for 2h/105℃) | Wt% | ≤2.0 |
| Sieve residue(45 um) | Wt% | ≤0.04 |
| Silica content(Based on ignited material) | Wt% | ≥99.8 |
| Tamped density(Based on material dried for 2h /105℃) | g/L | 40-60 |
| Carbon content(Based on material dried for 2h /105℃) | g/L | ≤0.15 |
Anticorrosion Pigments, Inkjet Receptive Coating, Matting Agent
