Import Silica Fume For Concrete — Buy in wholesale FOB from Supplier in China
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Silica Fume For Concrete
Silica fume for concrete is an ultra‑fine amorphous silicon dioxide powder supplied by Quanzhou Winitoor Industry Co., Ltd. in China. The material contains 80‑96 % SiO₂ and is classified under HS code 2515.12. It is offered in both densified and undensified forms to suit different handling requirements. Bulk density ranges from 550 kg/m³ to 750 kg/m³, and packaging is available in 25 kg HDPE bags or 500/1000 kg jumbo bags.
In the construction sector, silica fume acts as a highly reactive pozzolan that enhances compressive strength and durability of high‑performance concrete. Typical industry practice targets a specific surface area above 20 000 m²/kg and particle size below 0.1 µm, which aligns with the supplier’s product profile. The material’s low moisture content, typically below 0.5 %, helps maintain mix consistency.
Buyers such as precast manufacturers, shotcrete contractors, and oil‑well cementing firms use this additive to achieve stronger, more chemically resistant mixes. Quanzhou Winitoor accepts flexible order volumes; exact minimum order quantities should be confirmed directly with the supplier. Common trade terms include FOB or CIF, and the supplier can arrange bulk‑bag or super‑sack shipments to major ports. Importers are advised to request a recent material safety data sheet and test report to verify SiO₂ content before loading.
| Material composition | Amorphous Silicon Dioxide (SiO₂) 80‑96 % |
| Form | Densified and undensified powder |
| Bulk density | 550‑750 kg/m³ |
| Packaging | 25 kg HDPE bags, 500 kg jumbo bags, 1000 kg jumbo bags |
| HS code | 2515.12 |
| Specific surface area | typical > 20 000 m²/kg |
| Particle size | typical < 0.1 µm |
| Moisture content | typical < 0.5 % |
| Standard purity range | typical 80‑96 % SiO₂ |
| Typical dosage in concrete | typical 5‑10 % by weight of cement |
Quanzhou Winitoor Industry Co., Ltd. is located in Fujian Province, China (Rm#801, No. 3 Building, Jialin Square Ruixiang Garden Citong Road, Quanzhou 362000). The company is listed as an imported‑tier supplier and carries a harbor trust tier, indicating it has passed basic verification checks on the marketplace. Response statistics show a 0 % response rate, so direct communication is required to confirm current availability and terms.
The supplier focuses on bulk chemicals for the construction industry, offering silica fume in both densified and undensified forms with packaging suited to large‑scale projects. While the listing does not disclose exact minimum order quantities or lead times, the supplier can provide detailed product safety data sheets and test certificates on request. Prospective buyers should verify packaging specifications and shipping arrangements directly with the company.
Silica Fume is a highly reactive pozzolanic material with SiO2 content of 80-96%, widely used as a high-performance concrete additive to improve compressive strength, durability, and chemical resistance. Classified under HS code 2515.12, this ultra-fine amorphous silica powder is essential in the production of high-strength and high-performance concrete (HPC/HPC), shotcrete, oil well cementing, and marine structures. EximNext supplies export-grade Silica Fume in both densified and undensified forms, packaged in bulk bags or super sacks for international trade.
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Sourcing Silica Fume For Concrete from Quanzhou Winitoor Industry Co., Ltd. - China Import Guide
Before placing an order, verify that the supplier can provide a recent material safety data sheet and an analytical test report confirming the 80‑96 % SiO₂ range. Ask for details on the packaging condition, such as whether the bags are sealed and moisture‑protected, to avoid product degradation during transit.
Logistics for silica fume typically involve sea freight from the port of Quanzhou. Confirm the preferred Incoterm - FOB or CIF - and discuss payment terms, which are usually negotiated on a letter of credit basis. Lead times are not listed, so request an estimated shipping schedule from the supplier to align with your project timeline.
Quality assurance should include a pre‑shipment inspection to verify bulk density, particle size, and moisture content against the specifications. Arrange for an independent third‑party laboratory to test a sample if required, and ensure that the shipment is accompanied by a certificate of analysis and compliance documents before customs clearance.
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30 suppliersBuy Silica Fume For Concrete in Bulk — Verified Supplier in China
When sourcing Silica Fume For Concrete for your business, securing the right balance of quality and cost is essential. Quanzhou Winitoor Industry Co., Ltd., a verified supplier based in China, offers this product with key specifications including Microsilica / Condensed Silica Fume, Densified or Undensified, SiO2 85-96%, Al2O3 < 1.5%, Fe2O3 < 1.5%, Loss on Ignition < 4%, and 0.1 - 0.5 microns (ultrafine powder). By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $100150/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 2515.12, making it a staple in the Silica Sand sector with strong demand from importing countries worldwide.
Silica Fume For Concrete Specifications, Trade Terms & Pricing
Importing Silica Fume For Concrete requires careful attention to shipping logistics, customs compliance, and secure payment terms. Quanzhou Winitoor Industry 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 2515.12 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 B2B marketplace designed to make cross-border trade secure and efficient.
About Quanzhou Winitoor Industry Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Silica Fume For Concrete 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 global B2B marketplace. Start your sourcing journey today.
Import Silica Fume For Concrete — Shipping, Logistics & Customs
Importing Silica Fume For Concrete 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 2515.12 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 Silica Fume For Concrete
What is the wholesale price of Silica Fume For Concrete?
The current listed wholesale price for Silica Fume For Concrete from Quanzhou Winitoor Industry Co., Ltd. is $100150/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 Quanzhou Winitoor Industry Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Silica Fume For Concrete?
The supplier, Quanzhou Winitoor Industry Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Silica Fume For Concrete. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Silica Fume For Concrete?
For international shipping and customs clearance, Silica Fume For Concrete is classified under HS Code 2515.12. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Silica Fume For Concrete from China?
To import Silica Fume For Concrete from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Quanzhou Winitoor Industry Co., Ltd.. Ensure you have the necessary import licenses for Silica Sand products in your destination country.
Is Quanzhou Winitoor Industry Co., Ltd. a verified supplier?
Yes, Quanzhou Winitoor Industry 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 Silica Fume For Concrete?
The key specifications for Silica Fume For Concrete supplied by Quanzhou Winitoor Industry Co., Ltd. include Microsilica / Condensed Silica Fume, Densified or Undensified, SiO2 85-96%, Al2O3 < 1.5%, Fe2O3 < 1.5%, Loss on Ignition < 4%, and 0.1 - 0.5 microns (ultrafine powder). 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 Silica Fume For Concrete?
Quanzhou Winitoor Industry Co., Ltd. offers Silica Fume For Concrete with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Silica Fume For Concrete the most?
Silica Fume For Concrete is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Quanzhou Winitoor Industry Co., Ltd. through our platform.
What certifications does this Silica Fume For Concrete supplier hold?
Quanzhou Winitoor Industry Co., Ltd. maintains international quality certifications. These ensure that the Silica Fume For Concrete meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Silica Fume For Concrete on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Quanzhou Winitoor Industry 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 Quanzhou Winitoor Industry Co., Ltd..
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