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Micro silica
Micro silica supplied by Sobhan National is an amorphous silicon dioxide powder used as a pozzolanic additive in cementitious systems. The material contains silicon dioxide (SiO2) in excess of 85 % by weight and the particles are predominantly below one micron in diameter, giving it a very high surface area. It is produced as a by‑product of silicon and ferrosilicon alloy smelting, and the source description notes that the feedstock originates from Iranian producers. The product is offered for wholesale export from Qatar.
In the concrete industry the material is classified as Class F silica fume under ASTM C1240 and is valued for its ability to fill micro‑pores and to react with calcium hydroxide, which raises compressive strength and reduces permeability. Typical grades have a moisture content below 0.5 % and a bulk density between 0.30 and 0.50 g cm‑3. Suppliers often provide the powder in 25 kg polypropylene bags or in bulk containers for large orders. While Sobhan National lists no specific certification, the composition aligns with standard industry expectations.
Concrete producers, refractory manufacturers and advanced ceramic firms commonly purchase this additive to improve durability and chemical resistance. Buyers normally request a certificate of analysis confirming SiO2 content and particle size distribution before shipment. Sobhan National does not disclose minimum order quantities or payment terms in the listing, so interested importers should contact the company to confirm packaging options, Incoterms and lead‑time expectations.
| Material | Amorphous Silicon Dioxide (SiO2) |
| SiO2 Content | >85 % (as supplied) |
| Particle Size | <1 µm (as supplied) |
| Typical Grade | Class F silica fume (standard) |
| Typical Moisture Content | <0.5 % (typical) |
| Typical Bulk Density | 0.30‑0.50 g cm‑3 (typical) |
| Typical Packaging | 25 kg polypropylene bag or bulk container (typical) |
| Standard Specification | ASTM C1240 compliance (typical) |
Sobhan National operates from Qatar, with its registered address listed in the Qatar business directory. The company holds a harbor verification tier on the marketplace, indicating that basic identity checks have been completed.
The supplier’s profile shows a response rate of 0 % and no recorded average response time, suggesting that communication may be limited unless a direct inquiry is made. Sobhan National’s listing focuses on the export of micro silica and does not provide additional product lines or certifications in the public data.
Micro silica, also known as silica fume, is a highly reactive pozzolanic material with SiO2 content typically exceeding 85%, widely used as a concrete additive to improve durability and strength. This amorphous silicon dioxide powder is produced as a byproduct of silicon and ferrosilicon alloy smelting, with particle sizes under 1 micron providing exceptional filling capability. Sourced from Iranian producers, it serves construction, refractories, and advanced ceramics industries, making it a high-value commodity in global mineral trade.
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Sourcing Micro silica from Sobhan National - Qatar Import Guide
Before placing an order, verify the silicon dioxide content and request a recent certificate of analysis. Confirm the particle size range and moisture level to ensure the material meets the performance criteria of your mix design. Checking the packaging type and any special handling instructions will help avoid delays at the port of arrival.
Discuss logistics early by asking the supplier for expected lead‑time, preferred Incoterms and available payment methods. Because the listing does not state a minimum order quantity, clarify the batch size that can be shipped in 25 kg bags or bulk containers. Align freight terms with your supply chain schedule to minimise storage costs.
Arrange a third‑party inspection or on‑site sampling if possible, especially to validate SiO2 purity and bulk density. Request the test reports for ASTM C1240 compliance and moisture content. Proper documentation, including a material safety data sheet, will smooth customs clearance and downstream quality checks.
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22 listingsTop Suppliers for Micro silica
30 suppliersBuy Micro Silica in Bulk — Supplier in Qatar
When sourcing Micro Silica for your business, securing the right balance of quality and cost is essential. Sobhan National, a supplier based in Qatar, offers this product with key specifications including Industrial Grade / Silica Fume (Densified or Undensified), SiO2: 85-98%, Al2O3: 0.5-2%, Fe2O3: 0.1-1%, CaO: 0.1-1%, Loss on Ignition (LOI): 1-4%, and 0.1 - 1.0 micron (median ~0.3 micron), BET surface area: 15-25 m²/g. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $80/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 2505.90, making it a staple in the Silica Sand sector with strong demand from importing countries worldwide.
Micro Silica Specifications, Trade Terms & Pricing
Importing Micro Silica requires careful attention to shipping logistics, customs compliance, and secure payment terms. Sobhan National 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 2505.90 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 online B2B marketplace designed to make cross-border trade secure and efficient.
About Sobhan National — Supplier in Qatar
Finding trustworthy partners is the foundation of successful importing. Ask the supplier of this Micro Silica for business registration and quality documents before ordering. 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 manufacturers and exporters across 200+ countries. Explore similar products in the Silica Sand category and connect with top-tier exporters on our comprehensive B2B marketplace. Start your sourcing journey today.
Import Micro Silica — Shipping, Logistics & Customs
Importing Micro Silica 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 2505.90 in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
Frequently Asked Questions About Micro Silica
What is the wholesale price of Micro Silica?
The current listed wholesale price for Micro Silica from Sobhan National is $80/Bags on FOB terms from Qatar. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Sobhan National through EximNext.
What is the Minimum Order Quantity (MOQ) for Micro Silica?
The supplier, Sobhan National, has set a Minimum Order Quantity (MOQ) of 1 Bags for Micro Silica. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Micro Silica?
For international shipping and customs clearance, Micro Silica is classified under HS Code 2505.90. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Micro Silica from Qatar?
To import Micro Silica from Qatar, negotiate shipping terms (FOB, CIF, or EXW) directly with Sobhan National. Ensure you have the necessary import licenses for Silica Sand products in your destination country.
How can I check Sobhan National before ordering?
Open the Sobhan National company profile on EximNext to see the details the company has provided. Before a bulk order, ask for business registration, certificates and export documents, and consider a sample or a small trial order.
What are the key specifications of Micro Silica?
The key specifications for Micro Silica supplied by Sobhan National include Industrial Grade / Silica Fume (Densified or Undensified), SiO2: 85-98%, Al2O3: 0.5-2%, Fe2O3: 0.1-1%, CaO: 0.1-1%, Loss on Ignition (LOI): 1-4%, and 0.1 - 1.0 micron (median ~0.3 micron), BET surface area: 15-25 m²/g. For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
What packaging options are available for bulk orders of Micro Silica?
Sobhan National offers Micro Silica with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Micro Silica the most?
Micro Silica is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Sobhan National through our platform.
What certifications does this Micro Silica supplier hold?
Sobhan National maintains international quality certifications. These ensure that the Micro Silica meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Micro Silica on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Sobhan National will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
What payment methods are accepted?
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 Sobhan National.
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