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Microsilica, this product comprises microscopic particles collected by filters downstream from the smelting process in silicon and ferrosilicon plants. Adding it to concrete and other materials, increases their density and wear resistance, which extends the life of structures.
Key Specifications: HS Code: 2811.22 | Brand: EximNext | Material: Amorphous Silicon Dioxide (SiO2) | Grade/Type: Densified Silica Fume, Undensified Silica Fume | Purity/Composition: SiO2 85% - 98%, Al2O3 <2%, Fe2O3 <1%, CaO <1%, Loss on Ignition <4% | Size/Particle Distribution: Median Particle Size 0.1 - 0.5 microns, Specific Surface Area 15,000 - 30,000 m²/kg | Standard: ASTM C1240, EN 13263, GB/T 18736 | Application: High-Performance Concrete, Marine Concrete, Refractories, Ceramics, Shotcrete, Mortar Additive | Packaging: 25kg Bags, 500kg/1000kg Supersacks, Bulk Loose in Tanker | Appearance: Grey to White Fine Powder, Densified Form has Granular Texture | Origin: China, Norway, United States, Brazil
Supply & Ordering: Minimum Order Quantity: 1 Unit
HS Code: 2811.22 — 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 | 2811.22 |
| Brand | EximNext |
| Material | Amorphous Silicon Dioxide (SiO2) |
| Grade/Type | Densified Silica Fume, Undensified Silica Fume |
| Purity/Composition | SiO2 85% - 98%, Al2O3 <2%, Fe2O3 <1%, CaO <1%, Loss on Ignition <4% |
| Size/Particle Distribution | Median Particle Size 0.1 - 0.5 microns, Specific Surface Area 15,000 - 30,000 m²/kg |
| Standard | ASTM C1240, EN 13263, GB/T 18736 |
| Application | High-Performance Concrete, Marine Concrete, Refractories, Ceramics, Shotcrete, Mortar Additive |
| Packaging | 25kg Bags, 500kg/1000kg Supersacks, Bulk Loose in Tanker |
| Appearance | Grey to White Fine Powder, Densified Form has Granular Texture |
| Origin | China, Norway, United States, Brazil |
Silica fume (microsilica) is a highly reactive pozzolanic material sourced as a byproduct from silicon and ferrosilicon smelting, consisting of ultra-fine amorphous SiO2 particles typically below 1 micron. Widely used as a high-performance concrete additive to improve compressive strength, durability, and chemical resistance, it is also applied in refractories, ceramics, and advanced composites. Available in densified or undensified form, this product is traded globally in bulk bags or containers, with major supply from China, Norway, and the United States, making it a competitive commodity in the international construction materials market.
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | <4h |
| Response Rate | New Supplier |
Silica Fume is offered by Gansu Sanyuan Silicon Materials Co., Ltd., a Supplier based in China. 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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When sourcing Silica Fume for your business, securing the right balance of quality and cost is essential. Gansu Sanyuan Silicon Materials Co., Ltd., a verified supplier based in China, offers this product with key specifications including Densified Silica Fume, Undensified Silica Fume, SiO2 85% - 98%, Al2O3 <2%, Fe2O3 <1%, CaO <1%, Loss on Ignition <4%, and Median Particle Size 0.1 - 0.5 microns, Specific Surface Area 15,000 - 30,000 m²/kg. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $6001,200./Unit and manage bulk orders with a minimum order quantity (MOQ) of 1 Unit. This product is actively traded under HS Code 2811.22, making it a staple in the Mineral Powder sector with strong demand from importing countries worldwide.
Importing Silica Fume requires careful attention to shipping logistics, customs compliance, and secure payment terms. Gansu Sanyuan Silicon Materials Co., Ltd. offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. To ensure a smooth transaction, buyers should verify import duties for HS Code 2811.22 in their destination country. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading import export marketplace designed to make cross-border trade secure and efficient.
Finding trustworthy partners is the foundation of successful importing. The supplier of this Silica Fume has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Mineral Powder category and connect with top-tier exporters on our comprehensive online B2B marketplace. Start your sourcing journey today.
Importing Silica Fume requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties for HS Code 2811.22 in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
The current listed wholesale price for Silica Fume from Gansu Sanyuan Silicon Materials Co., Ltd. is $6001,200./Unit on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Gansu Sanyuan Silicon Materials Co., Ltd. through EximNext.
The supplier, Gansu Sanyuan Silicon Materials Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Unit for Silica Fume. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
For international shipping and customs clearance, Silica Fume is classified under HS Code 2811.22. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
To import Silica Fume from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Gansu Sanyuan Silicon Materials Co., Ltd.. Ensure you have the necessary import licenses for Mineral Powder products in your destination country.
Yes, Gansu Sanyuan Silicon Materials Co., Ltd. is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.
The key specifications for Silica Fume supplied by Gansu Sanyuan Silicon Materials Co., Ltd. include Densified Silica Fume, Undensified Silica Fume, SiO2 85% - 98%, Al2O3 <2%, Fe2O3 <1%, CaO <1%, Loss on Ignition <4%, and Median Particle Size 0.1 - 0.5 microns, Specific Surface Area 15,000 - 30,000 m²/kg. For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
Gansu Sanyuan Silicon Materials Co., Ltd. offers Silica Fume with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Silica Fume is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Gansu Sanyuan Silicon Materials Co., Ltd. through our platform.
Gansu Sanyuan Silicon Materials Co., Ltd. maintains international quality certifications. These ensure that the Silica Fume meets international quality, safety, and regulatory standards required for cross-border trade.
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Gansu Sanyuan Silicon Materials Co., Ltd. will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Gansu Sanyuan Silicon Materials Co., Ltd..
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