Fumed Silica
CAS Number: 112945-52-5
High-purity fumed silica used as a rheology modifier, anti-settling agent, and matting agent in coatings, inks, adhesives, and sealants.
Technical Specifications
| pH | 3.7 – 4.5 (4% dispersion) |
| purity | ≥ 99.8% SiO₂ |
| appearance | White fluffy powder |
| surface area | 200 ± 25 m²/g |
| loss on drying | ≤ 1.5% |
Applications
- Solvent-borne and waterborne coatings
- Printing inks
- Adhesives and sealants
- Silicone rubber
- Cosmetics and personal care
Key Features
- 优异的触变性和抗流挂性能
- 防止颜料沉降
- 提高耐划伤和耐磨性
- 与大多数涂料体系相容