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98% Purity Microsilica Powder with High Pozzolanic Activity and Ultra-Fine Particle Size for Concrete and Refractory Applications
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98% Purity Microsilica Powder with High Pozzolanic Activity and Ultra-Fine Particle Size for Concrete and Refractory Applications
| Moq: | 10ton |
| Harga: | Please contact customer service |
| Kemasan Standar: | Yg tertangkap |
| Periode pengiriman: | Sekitar enam minggu |
| Metode pembayaran: | T/T |
| Kapasitas pasokan: | 100.000 ton per tahun |
Informasi Detail
Tempat asal
Cina
Nama merek
SiChun HongJian
Nomor model
bubuk kuarsa
Dokumen
Pertunjukan:
Kekerasan tinggi, ketahanan aus, ketahanan suhu tinggi, ketahanan asam dan alkali, konduktivitas ter
Menyoroti:
98% Purity Microsilica Powder
,High Pozzolanic Activity Silica Fume
,Ultra-Fine Particle Size Condensed Silica Fume
Deskripsi produk
Microsilica Powder 98% - Concrete Additive, Refractory Material, Filler for Polymer
Microsilica, also known as silica fume or condensed silica fume, is an ultra-fine, high-purity amorphous silicon dioxide (SiO₂) powder collected as a by-product from silicon metal and ferrosilicon alloy furnaces. This grayish-white powder features an average particle size of 0.1-0.3 microns with very high specific surface area (15-30 m²/g), high pozzolanic activity, and excellent filling properties.
Key Product Characteristics
- High SiO₂ content (≥92-98%)
- Ultra-fine particle size (0.1-0.3 microns)
- High specific surface area (15-30 m²/g)
- Excellent pozzolanic activity
- Superior filling effect
- High-performance mineral admixture
Core Applications & Benefits
High-Performance Concrete & Cementitious Materials
Microsilica significantly enhances concrete performance through pozzolanic reactions and micro-filling effects. It reduces porosity, increases density, and improves mechanical properties.
- Dramatically increases compressive and flexural strength
- Enhances impermeability and chloride ion resistance
- Improves abrasion resistance and reduces alkali-silica reaction
- Essential for ultra-high-performance concrete (UHPC), dams, bridges, and nuclear facilities
Refractory Materials Industry
Serves as an efficient binder and toughening agent in alumina-silica refractories.
- Improves bulk density and hot strength
- Enhances thermal shock and corrosion resistance
- Promotes sintering and increases medium-temperature strength
Polymer Composites & Electronic Materials
Functions as a reinforcing filler to enhance mechanical and thermal properties.
- Increases strength, hardness, and wear resistance in polymers
- Improves heat resistance and dimensional stability
- Key component in Epoxy Molding Compounds (EMC) for electronics
Additional Specialized Applications
- Chemical industry: matting agent, thickener, anti-caking agent
- Ceramics manufacturing: lowers firing temperatures, increases density
- Wear-resistant flooring and industrial coatings
- Catalyst support materials
Product Specifications & Grading
| Parameter | Specification |
|---|---|
| SiO₂ Content | 92%, 96%, 98% grades available |
| Particle Size | Average 0.1-0.3 microns |
| Specific Surface Area | 15-30 m²/g |
| Forms Available | Densified and undensified (as-produced) |
Safety & Handling: Microsilica is an ultra-fine powder that generates significant dust. Effective dust collection systems and proper respiratory protection are mandatory. Store in moisture-proof, sealed containers due to strong hygroscopicity.
Quality Assurance: Our microsilica products feature high SiO₂ content, excellent activity, optimal particle size distribution, and consistent quality. We provide technical support for concrete mix design, refractory formulations, and polymer modifications to optimize your material performance.
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