High Purity for Strong Adhesive Bonds
Adhesive Silica Powder is made from crystalline quartz. It has very high chemical inertness and very low moisture absorption. This makes it a stable filler for epoxy, polyurethane, and acrylic adhesives. It does not react with any of these systems. This keeps your adhesive storage stable. It also makes sure the bond strength stays reliable over time. We make this product from high-quality ore from Mount Huangshan. Our 25 years of experience guarantee the consistency of every batch of product. You will not face filler-related problems in your production line.
Better Thixotropy and Creep Resistance
In structural and electronic adhesives, our Adhesive Silica Powder offers clear value. It adjusts the thixotropy and rheology of the adhesive. This stops sagging during application. It also improves the hardness and creep resistance of the cured bond line. One customer making wind turbine blade adhesives reported that our product helped their product meet new industry fatigue strength standards. It also passed the damp-heat aging tests with ease. This shows the real performance gains you can achieve.
Complete Data for Your Formulation
|
Parameter |
Typical Value / Range |
Test Standard |
|
Main Content (SiO₂) |
≥ 99.0% |
Chemical Analysis |
|
Whiteness |
≥ 91 |
Whiteness Meter |
|
Oil Absorption |
18 - 25 g/100g |
Scraper Method |
|
Particle Size (D50) |
3μm - 15μm (Customizable) |
Laser Diffraction |
|
Moisture Content |
≤ 0.25% |
Oven Drying Method |
|
Loss on Ignition |
≤ 0.40% |
High-Temperature Ignition |
|
pH (Water Suspension) |
6.5 - 7.5 |
Potentiometric Method |
Wide Applications and Full Customization
Adhesive Silica Powder works across many adhesive markets. In epoxy structural adhesives, it raises the compression and bond strength. This is key for building reinforcement and wind power. In polyurethane sealants, it adjusts thixotropy to prevent sagging. In electronics, our high-purity Adhesive Silica Powder is an ideal filler for potting and die attach. It keeps devices safe for a long time. We also offer custom particle size and surface treatment. Our team gives you a solution within 3 working days after you send your sample. The minimum order is 1 ton.
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