Import Desified/Undensified Microsilica — Buy in wholesale FOB from Supplier in China
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Desified/Undensified Microsilica
Gansu Sanyuan Silicon Materials Co., Ltd., located in Lanzhou, Gansu, China, supplies desified (undensified) microsilica, a silica fume product containing 85‑95 % amorphous silicon dioxide (SiO₂). The material meets the listed limits of 3 % maximum loss on ignition, 1 % maximum moisture, and no more than 2 % retained on a 325 sieve (45 ųm). Bulk density is reported between 350 kg/m³ and 700 kg/m³, and the product is offered in bulk or large‑bag shipments for global trade.
Typical microsilica exhibits particle sizes below 0.5 µm, a specific surface area exceeding 20 000 m²/kg, and a pozzolanic activity that enhances concrete strength and durability. Standard industry grades often aim for SiO₂ purity of 95 % or higher, a loss on ignition under 3 %, and moisture below 1 %, matching the supplier’s specifications. These characteristics make the material suitable for high‑performance concrete, refractory linings and specialised cement formulations.
Buyers such as ready‑mix concrete producers, precast manufacturers and refractory plant operators value the material for its ability to reduce permeability and increase compressive strength. The supplier’s catalogue notes bulk and big‑bag packaging, but does not state exact lead‑times or payment terms, so importers should confirm logistics, Incoterms and credit arrangements directly with Gansu Sanyuan before finalising purchase.
| Silicon Dioxide (SiO₂) Purity | 85‑95 % |
| Loss on Ignition (LOI) | ≤ 3 % (max) |
| Moisture Content | ≤ 1 % (max) |
| Particle Retention on 325 sieve (45 ųm) | ≤ 2 % (max) |
| Bulk Density | 350‑700 kg/m³ |
| Typical Particle Size | typical < 0.5 µm |
| Typical Specific Surface Area | typical > 20 000 m²/kg |
| Typical Purity for High‑Grade Microsilica | typical ≥ 95 % SiO₂ |
| Typical Loss on Ignition | typical ≤ 3 % |
| Typical Moisture Limit | typical ≤ 1 % |
Gansu Sanyuan Silicon Materials Co., Ltd. is registered at No. 215, Jinchang South Road, Chengguan, Lanzhou, 730000, Gansu, China. The company carries a harbour‑level trust tier on the platform and currently shows a 0.00 % response rate, with no average response time recorded, indicating limited recent engagement with potential buyers.
Undensified microsilica, also known as silica fume, is a highly reactive pozzolanic material with SiO2 purity of 85-95%, widely used as a concrete additive to improve durability, strength, and chemical resistance. With particle size retained on 325 sieve at 2.0% max and bulk density of 350-700 kg/m3, this mineral powder is essential in high-performance concrete, refractories, and industrial cement applications. It is traded globally in bulk or big bags, making it a key import commodity for construction material manufacturers and infrastructure projects.
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Sourcing Desified/Undensified Microsilica from Gansu Sanyuan Silicon Materials Co., Ltd. - China Import Guide
Importers should first obtain a current certificate of analysis confirming SiO₂ purity, LOI and moisture levels, and verify that the bulk density matches the quoted 350‑700 kg/m³ range. Requesting a sample for laboratory testing can further assure compliance with project specifications.
Logistics verification includes confirming the chosen Incoterm, expected vessel departure dates and port of discharge, as the supplier does not disclose lead‑time or payment terms. Discuss payment methods, such as T/T or LC, and ensure that any required bank guarantees are aligned with the supplier’s policy.
Quality control measures should involve arranging an independent inspection, preferably by SGS or an equivalent body, to validate particle size distribution, bulk density and surface area. Ensure that the bill of lading, certificate of origin and MSDS are provided before cargo release, and consider post‑arrival testing to confirm the material meets the required pozzolanic activity.
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30 suppliersBuy Desified/Undensified Micr in Bulk — Verified Supplier in China
When sourcing Desified/Undensified Microsilica 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 Und ensified / Desified Microsilica (Silica Fume), SiO2 85%-95%, L.O.I 3% max, and Retained on 45μm (325 sieve) 2.0% max, bulk density 350-700 kg/m3. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $110200/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. 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.
Desified/Undensified Micr Specifications, Trade Terms & Pricing
Importing Desified/Undensified Micr 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.
About Gansu Sanyuan Silicon Materials Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Desified/Undensified Micr 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.
Import Desified/Undensified Micr — Shipping, Logistics & Customs
Importing Desified/Undensified Micr 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).
Frequently Asked Questions About Desified/Undensified Micr
What is the wholesale price of Desified/Undensified Microsilica?
The current listed wholesale price for Desified/Undensified Microsilica from Gansu Sanyuan Silicon Materials Co., Ltd. is $110200/Bags 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.
What is the Minimum Order Quantity (MOQ) for Desified/Undensified Micr?
The supplier, Gansu Sanyuan Silicon Materials Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Desified/Undensified Micr. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Desified/Undensified Microsilica?
For international shipping and customs clearance, Desified/Undensified Microsilica is classified under HS Code 2811.22. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Desified/Undensified Micr from China?
To import Desified/Undensified Micr 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.
Is Gansu Sanyuan Silicon Materials Co., Ltd. a verified supplier?
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.
What are the key specifications of Desified/Undensified Microsilica?
The key specifications for Desified/Undensified Microsilica supplied by Gansu Sanyuan Silicon Materials Co., Ltd. include Und ensified / Desified Microsilica (Silica Fume), SiO2 85%-95%, L.O.I 3% max, and Retained on 45μm (325 sieve) 2.0% max, bulk density 350-700 kg/m3. 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 Desified/Undensified Micr?
Gansu Sanyuan Silicon Materials Co., Ltd. offers Desified/Undensified Micr with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Desified/Undensified Micr the most?
Desified/Undensified Micr is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Gansu Sanyuan Silicon Materials Co., Ltd. through our platform.
What certifications does this Desified/Undensified Micr supplier hold?
Gansu Sanyuan Silicon Materials Co., Ltd. maintains international quality certifications. These ensure that the Desified/Undensified Micr meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Desified/Undensified Microsilica on EximNext?
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.
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 Gansu Sanyuan Silicon Materials Co., Ltd..
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