Similar Names: White Carbon Black, Amorphous Silica, Precipitated Silica
Functional Positioning: Matting Agent, Flatting Agent, Silica Matting Filler
Felcosil-740 is an ultra-fine white powder prepared using advanced sol-gel synthesis technology. Its unique amorphous silica structure delivers exceptional performance, specifically designed to meet the stringent requirements for superior matting effects and high transparency in high-end coating applications.
Sol-Gel Precipitated Silica
Narrow Particle Size Distribution: Ensures more uniform matting and significantly enhances coating transparency.
Unique Pore Structure: The high pore volume design is fundamental to achieving efficient matting capability.
Soluble in Sodium Hydroxide (NaOH) and Hydrofluoric Acid (HF).
Insoluble in common acids, water, and organic solvents.
Outstanding Physical Properties:
High Temperature Resistance: Non-combustible substrate with good thermal stability.
Electrical Insulation: Excellent electrical insulation properties.
Environmental Friendliness: Odorless, compliant with environmental requirements.
Leading Optical Matting Capability: Delivers industry-leading matting efficiency.
Items |
Specification |
---|---|
Appearance | White Powder |
BET specific surface area m²/g | 300-380 |
SiO₂ % Min | 99 |
Heating Loss at 105°C 2h % Max | 5.0 |
Ignition Loss at 1000°C 2h % Max | 7.0 |
pH Value (5% aqueous suspension) | 5.0-7.0 |
DBP absorption Value cm³/g | 2.0-3.5 |
Grind µm Min Max | 21 |
Total Fe mg/kg Max | 200 |
Medium Size(D50) µm | 4.0-6.0 |
Whiteness Min | 94 |
For specific silica parameter requirements, our company offers product customization support.
Felcosil-740, leveraging its narrow particle size distribution and high pore structure derived from sol-gel technology, provides a reliable professional solution for coating applications demanding exceptional matte effects, high transparency, and stable performance. We are committed to meeting your needs through high-quality products and technical services.