

Silica Fume (Micro Silica) is mainly used as cement admixture or concrete binder to improve the performance of cement or concrete with higher strength abrasion resistance, erosion resistance, corrosion resistance and permeability resistance
Key Specifications: HS Code: 6903.90 | Brand: EximNext | Material: Amorphous Silicon Dioxide (SiO2) - Silica Fume | Grade/Type: Grade 920, Grade 940, Grade 950 (based on SiO2 content) | Purity/Composition: SiO2: 85-98%, Al2O3: 0.3-1.5%, Fe2O3: 0.1-1.5%, CaO: 0.1-0.8%, Loss on Ignition: 1-4% | Physical Form: Densified, Undensified, or Slurry | Particle Size: 0.1 - 1.0 micron (typical), specific surface area 15,000-25,000 m2/kg | Bulk Density: Densified: 500-700 kg/m3, Undensified: 250-350 kg/m3 | Standard: ASTM C1240, EN 13263, GB/T 18736 | Application: High-strength concrete, cement admixture, refractories, ceramics, grout, mortar, pre-cast products | Packaging: 25kg bags, 500kg/1000kg big bags, bulk loose in containers or tanker | Origin: China, Norway, USA, Brazil (major producers)
Supply & Ordering: Minimum Order Quantity: 1 Unit
HS Code: 6903.90 — classified under Ores and Minerals.
Ideal for: Importers, wholesalers, distributors, and manufacturers looking for quality ores and minerals products with verified suppliers and competitive pricing on EximNext.
| HS Code | 6903.90 |
| Brand | EximNext |
| Material | Amorphous Silicon Dioxide (SiO2) - Silica Fume |
| Grade/Type | Grade 920, Grade 940, Grade 950 (based on SiO2 content) |
| Purity/Composition | SiO2: 85-98%, Al2O3: 0.3-1.5%, Fe2O3: 0.1-1.5%, CaO: 0.1-0.8%, Loss on Ignition: 1-4% |
| Physical Form | Densified, Undensified, or Slurry |
| Particle Size | 0.1 - 1.0 micron (typical), specific surface area 15,000-25,000 m2/kg |
| Bulk Density | Densified: 500-700 kg/m3, Undensified: 250-350 kg/m3 |
| Standard | ASTM C1240, EN 13263, GB/T 18736 |
| Application | High-strength concrete, cement admixture, refractories, ceramics, grout, mortar, pre-cast products |
| Packaging | 25kg bags, 500kg/1000kg big bags, bulk loose in containers or tanker |
| Origin | China, Norway, USA, Brazil (major producers) |
Micro Silica, also known as Silica Fume or Condensed Silica Fume, is a highly reactive pozzolanic material composed of amorphous silicon dioxide (SiO2) with particle sizes 100 times finer than cement. Primarily used as a high-performance concrete additive and cement admixture, it enhances compressive strength, abrasion resistance, and chemical durability. Widely exported in bulk or big bag packaging for infrastructure, construction, and refractory applications in global markets.
| 企业类型 | Supplier |
| 成立年份 | Contact Supplier |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| 响应时间 | <4h |
| 响应率 | Contact Supplier |
Micro Silica is offered by Matha Exporters And Importers, a Supplier based in India. This supplier provides wholesale quantities suitable for bulk importers, distributors, and businesses worldwide. Contact the supplier to request pricing, discuss trade terms, and arrange shipping to your destination.
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当您能直接对接合适的生产商和出口商,全球采购的复杂度将大幅降低。从全球市场进口Micro Silica Qyx8时,买家可直接与认证供应商沟通物流方案、包装要求和偏好付款方式。这一无缝沟通由 EximNext 提供支持 — 一个汇聚全球主要行业认证卖家的顶级全球 B2B 贸易平台。
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从全球市场进口Micro Silica Qyx8时,买家应考虑运输条款(FOB、CIF、EXW)、清关文件要求以及付款安全。请联系供应商,商议最适合目的国的物流方案。
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可以,认证供应商从全球市场供应Micro Silica Qyx8用于批量出口。您可直接与供应商协商最小起订量、包装细节和运输条款。
FOB、CIF、EXW 等运输条款均可直接与认证供应商协商。请联系供应商,商议最适合将Micro Silica Qyx8进口至您所在国家的物流方案。
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