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24/7 Customer Support
Online store always open
85% Undensified Silica Fume is an ultra-fine powder composed of amorphous silicon dioxide (SiO₂) with a purity level of 85%. It is in a loose, fluffy form, offering exceptional reactivity and dispersion properties. This product is ideal for applications requiring maximum pozzolanic activity and is widely used in high-performance concrete, polymers, and chemical production.
Parameter |
Value |
---|---|
SiO₂ Content |
≥ 85% |
Particle Size |
0.1–0.3 µm (100–300 nm) |
Specific Surface Area |
15–30 m²/g |
Bulk Density |
200–300 kg/m³ |
Loss on Ignition (LOI) |
≤ 3% |
Moisture Content |
≤ 2% |
Packaging |
25 kg bags or 500kg/ jumbo bag or customized |
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We value your privacy and ensure your information will not be shared.