Improved Performance for Advanced Composites
Silica Powder for Composite Materials is a special product for the composites industry. The demand for fillers in this industry has grown in recent years. Fillers must not only improve mechanical properties. They must also work well with different resin systems and reinforcing fibers. Our Silica Powder for Composite Materials has three main features. It has high purity. It has a narrow particle size distribution. It has controllable surface properties. These features allow it to work well with epoxy, polyester, phenolic, and vinyl ester resins. In carbon and glass fiber composites, it fills the micro-gaps between resin and fibers. This improves interfacial bond strength and overall compactness.
Proven Results in Wind and Aerospace
Our Silica Powder for Composite Materials has been proven in many high-end composite applications. In wind turbine blade epoxy composites, it helps customers reduce resin usage and improve interlaminar shear strength. In aerospace prepregs, its high purity and narrow size distribution ensure batch consistency and stable quality. In sporting goods and automotive lightweight parts, it also improves rigidity and dimensional accuracy. Our 25 years of production history and professional technical team can give you full support. From filler selection to process optimization, we help you gain material performance advantages.
Complete Data for Composite Design
|
Parameter |
Typical Value / Range |
Test Standard |
|
Main Content (SiO₂) |
≥ 99.0% |
Chemical Analysis |
|
Whiteness |
≥ 91 |
Whiteness Meter |
|
Particle Size (D50) |
2μm - 25μm (Customizable) |
Laser Diffraction |
|
Specific Surface Area |
2.0 - 4.0 m²/g |
BET Method |
|
Oil Absorption |
18 - 26 g/100g |
Scraper Method |
|
Moisture Content |
≤ 0.20% |
Oven Drying Method |
|
Loss on Ignition |
≤ 0.40% |
High-Temperature Ignition |
|
Surface Treatment |
Silane treatment optional |
Infrared Spectroscopy |
Wide Uses and Custom Options
Silica Powder for Composite Materials serves many high-performance composite fields. In wind blade composites, it is a functional filler for epoxy infusion resins. It effectively lowers the thermal expansion of the blade and increases fatigue strength. In aerospace composites, it modifies prepregs and structural adhesives. It improves dimensional stability in extreme environments. In automotive lightweight composites, it raises stiffness and heat resistance. We can customize the particle size, surface properties, and purity for your resin system and molding process. The minimum order is 1 ton.
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