Ecopower Felcosil-740 Amorphous Silica: High-Efficiency Matting Filler for Coatings | Sol-Gel Technology Jun 06, 2025

Felcosil-740 High Pore Volume Amorphous Silica: Professional Matting Filler Usue For High-Performance Coatings

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.

Core Technical Advantages

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.

Excellent Product Performance

Chemical Stability:

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.

Product Specifications

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

Primary Application Areas

Felcosil-740, as a high-transparency matting filler, provides excellent solutions for the following high-end coating applications:

Wood Coatings:

Imparts a fine matte finish.
Perfectly preserves the clarity of natural wood grain.
Provides excellent anti-yellowing performance.

silica Usue For High-Performance Coatings

Metal Coatings:

Forms a uniform matte surface.
Significantly enhances coating weather resistance and abrasion resistance.

Silica Usue for Metal Coatings

Leather Finishing:

Achieves soft gloss control on the surface.
Improves coating adhesion and flexibility on leather substrates.

Leather-Matte- Finishing

Furniture / Decorative Panels:

Delivers efficient low-haze matting for UV/PU systems.
Meets environmental standards.

Customization Service

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.

Amorphous Silica in Coating