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Modified Silica Powder - 改性硅微粉

Modified Silica Powder

Modified Silica Powder

Through surface modification with silane coupling agents, significantly improves compatibility and dispersibility with organic matrix. Effectively reduces system viscosity, increases filling amount and enhances interfacial bonding.

Specifications

SiO₂ Content≥99.5%
Modification Rate≥98%
Particle Size (D50)2-30μm
Whiteness≥90
Mohs Hardness7
Density2.5 g/cm³
Activity Degree≥95%
Oil Absorption18-28 g/100g
PH Value6.0-8.0
Moisture≤0.15%

Product Models & Specifications

Model Mesh D50 Purity Applications
MS-325 325 mesh ~44 μm ≥99.5% General PurposeRubber Reinforcement
MS-1250 1250 mesh ~10 μm ≥99.6% Low Oil AbsorptionCoatings
MS-3000 3000 mesh ~5 μm ≥99.7% High DispersionElectronic Packaging

Applications

Electronic Packaging Rubber & Plastics Adhesives Coatings
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FAQ

What is modified silica powder?

Modified silica powder is silica powder with surface modification treatment, significantly improving compatibility and dispersion in organic matrices.

What modification types are available?

We offer silane coupling agent treatment, epoxy treatment and more. Selection depends on your matrix system.

What is it used for?

Widely used in high-performance composites, coatings, rubber reinforcement and electronic packaging.

What are the benefits of modification?

Modification lowers system viscosity, improves dispersion and strengthens interfacial bonding, enhancing final product performance.

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