Import Micro Silica (Silica Fume) — Buy in wholesale FOB from Supplier in Qatar
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Micro Silica (Silica Fume)
Microsilica (silica fume) is a by-product of silicon metal or ferrosilicon industries, is an amorphous silicon dioxide SiO2. This product reacts chemically with the calcium hydroxide in the cement paste which yields a calcium silicate hydrate gel that significantly enhances strength and durability. The super fine microsilica fills the voids between cement particles creating a very dense, less permeable concrete. Physical characteristics: Color: gray or gray white powder Bulk density: 320-700 kg/m3 Chemical composition: Items SiO2 Al2O3 Fe2O3 MgO CaO Na2O Moisture Content 75-98% 1.0-0.2% 0.9-0.3% 0.7-0.1% 0.3-0.1% 1.3-0.2% Fineness: the fineness of the silica fume is less than 1 1/4m, and the average particle size is 0.1 0.3 1/4m, and the specific surface area is 20 - 28 m2/g. The fineness and specific surface area are about 80-100 times of cement and 50-70 times of fly ash. Maxtech Micro Silica supplies will be as per QCS 2014 (ASTM C1240): SiO2: >/= 92% LOI:
| HS Code | 2505.90 |
| Material | Amorphous Silicon Dioxide (SiO2) Micro Silica |
| Grade/Type | Microsilica / Silica Fume (Undensified or Densified) |
| Purity/Composition | SiO2 Content 85% - 98%, Al2O3 <1.5%, Fe2O3 <1.0%, Loss on Ignition (LOI) 1-4% |
| Particle Size | < 1 micron (90%+ particles smaller than 1 µm) |
| Standard | ASTM C1240, EN 13263, GB/T 18736 |
| Application | High-performance concrete, refractories, ceramics, foundry, grout and mortar admixture, oil and gas well cementing |
| Packaging | 25kg paper bags with PE liner, 500kg/1000kg jumbo bags, bulk tanker (undensified) |
| Origin | China, India, Norway, USA (varies by supplier) |
Silica fume, also known as microsilica, is an amorphous silicon dioxide SiO2 by-product of silicon metal or ferrosilicon production. With particle sizes of 0.1-0.5 microns, it serves as a high-performance pozzolanic additive that significantly enhances concrete strength, durability, and chemical resistance. Widely used in high-strength concrete, marine structures, and refractory applications, silica fume is traded globally in densified or undensified form, typically packed in 25kg bags or big bags for export. It is an essential supplementary cementitious material for infrastructure and construction projects worldwide.
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Sourcing Micro Silica (Silica Fume) from Qatar
Micro Silica (Silica Fume) is offered by Maxtech International Trading, a Supplier based in Qatar, in wholesale quantities for importers, distributors, and trade buyers. Contact the supplier to request pricing, minimum order quantity, and shipping terms for your destination.
When importing Micro Silica (Silica Fume, confirm trade terms such as FOB or CIF, packaging, and any certification or documentation you need directly with the supplier before placing a bulk order.
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30 suppliersBuy Micro Silica (Silica Fume in Bulk — Verified Supplier in Qatar
When sourcing Micro Silica (Silica Fume) for your business, securing the right balance of quality and cost is essential. Maxtech International Trading, a verified supplier based in Qatar, offers this product with key specifications including Microsilica / Silica Fume (Undensified or Densified), SiO2 Content 85% - 98%, Al2O3 <1.5%, Fe2O3 <1.0%, Loss on Ignition (LOI) 1-4%, and < 1 micron (90%+ particles smaller than 1 µm). By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $200400./Unit and manage bulk orders with a minimum order quantity (MOQ) of 1 Unit. 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 (Silica Fume Specifications, Trade Terms & Pricing
Importing Micro Silica (Silica Fume requires careful attention to shipping logistics, customs compliance, and secure payment terms. Maxtech International Trading 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 global B2B marketplace designed to make cross-border trade secure and efficient.
About Maxtech International Trading — Supplier in Qatar
Finding trustworthy partners is the foundation of successful importing. The supplier of this Micro Silica (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 Silica Sand category and connect with top-tier exporters on our comprehensive import export marketplace. Start your sourcing journey today.
Import Micro Silica (Silica Fume — Shipping, Logistics & Customs
Importing Micro Silica (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 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 (Silica Fume
What is the wholesale price of Micro Silica (Silica Fume)?
The current listed wholesale price for Micro Silica (Silica Fume) from Maxtech International Trading is $200400./Unit 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 Maxtech International Trading through EximNext.
What is the Minimum Order Quantity (MOQ) for Micro Silica (Silica Fume?
The supplier, Maxtech International Trading, has set a Minimum Order Quantity (MOQ) of 1 Unit for Micro Silica (Silica Fume. 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 (Silica Fume)?
For international shipping and customs clearance, Micro Silica (Silica Fume) 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 (Silica Fume from Qatar?
To import Micro Silica (Silica Fume from Qatar, negotiate shipping terms (FOB, CIF, or EXW) directly with Maxtech International Trading. Ensure you have the necessary import licenses for Silica Sand products in your destination country.
Is Maxtech International Trading a verified supplier?
Yes, Maxtech International Trading 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.
What are the key specifications of Micro Silica (Silica Fume)?
The key specifications for Micro Silica (Silica Fume) supplied by Maxtech International Trading include Microsilica / Silica Fume (Undensified or Densified), SiO2 Content 85% - 98%, Al2O3 <1.5%, Fe2O3 <1.0%, Loss on Ignition (LOI) 1-4%, and < 1 micron (90%+ particles smaller than 1 µm). 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 (Silica Fume?
Maxtech International Trading offers Micro Silica (Silica Fume 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 (Silica Fume the most?
Micro Silica (Silica Fume is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Maxtech International Trading through our platform.
What certifications does this Micro Silica (Silica Fume supplier hold?
Maxtech International Trading maintains international quality certifications. These ensure that the Micro Silica (Silica Fume meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Micro Silica (Silica Fume) on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Maxtech International Trading 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 Maxtech International Trading.
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