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Hydrophilic fumed silica is a high-purity, amorphous silica material characterized by its extremely fine particle size, large surface area, and strong affinity for water. Manufactured through flame hydrolysis, it provides superior dispersion, enhanced rheological control, and improved thickening properties in various applications. This versatile silica is widely used in adhesives, coatings, sealants, personal care formulations, and pharmaceuticals, offering excellent moisture absorption, anti-caking functionality, and stability enhancement.
Product Overview
Hydrophobic Fumed Silica is a high-purity white powder with hydrophobic properties and excellent rheological behavior. It is specifically designed for controlling the rheology and thixotropy of liquid systems, adhesives, and polymers. It effectively improves powder characteristics, adjusts flowability, and prevents caking, and is widely used in coatings, inks, and other applications.
Key Features
- High Purity: Ensures superior performance and consistency.
- Hydrophobic: Provides waterproof and hydrophobic protection for liquid systems.
- Excellent Rheological and Thixotropic Control: Adjusts the flowability of liquid systems, enhancing the performance of coatings and inks.
- Anti-Settling, Thickening, Anti-Caking: Improves the stability of powders, promotes and maintains powder flowability.
Applications
- Liquid Systems, Adhesives, Polymers: Used for controlling rheology and thixotropy.
- Coatings: Helps prevent settling, improves pigment stability, and enhances corrosion protection.
- Offset Printing Inks: Improves the hydrophobicity and rheological properties of inks.
- Powder Applications: Facilitates powder flow and prevents caking.
| Grade | B-100 |
| SiO₂ Content wt% | ≥ 99.8 |
| Loss on Drying 2h@105°C | ≤ 1.0 |
| Suspension pH | 4~6 |
| Specific Surface Area (BET)m2/g | 100 ± 30 |
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