Import Partical Size 5nm Colloidal Silica — Buy in wholesale FOB from Supplier in China
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Partical Size 5nm Colloidal Silica
The product is a colloidal silica sol with a nominal particle size of 5 nm. It contains 14‑16 % SiO₂ by weight and 0.5 % Na₂O, with a pH adjusted between 9 and 11. The suspension has a specific gravity of 1.08‑1.09 and a viscosity of 6.5 mPa·s at 25 °C. Shelf life is listed as six months when stored in a sealed container.
Colloidal silica of this grade is typically used as a nano‑additive to enhance fiber bonding in paper pulps. Standard industry practice targets a SiO₂ content of 10‑20 % and particle sizes between 2 and 10 nm for optimal retention improvement. The low viscosity formulation allows direct dosing into paper making slurry without additional thickeners. Compared with bulk silica powders, the nano‑silica sol provides higher surface area, which is a typical factor in improving drainage and drying efficiency.
Paper manufacturers seeking higher runnability and reduced downtime find this product valuable for starch and colloidal retention. The supplier states the product is ready‑to‑use in industrial slurry form and can be shipped in bulk containers. Buyers should confirm minimum order quantities, Incoterms and payment conditions directly with the supplier before placing an order.
| Particle Size (nm) | 5 (range 2‑7) |
| SiO₂ Content (%) | 14‑16 |
| Na₂O Content (%) | 0.5 |
| pH (value) | 9‑11 |
| Specific Gravity | 1.08‑1.09 |
| Viscosity at 25 °C (mPa·s) | 6.5 |
| Shelf Life | 6 months |
| Typical SiO₂ content for paper‑grade colloidal silica | 10‑20 % (typical) |
| Typical particle size range for nano‑silica additives | 2‑10 nm (typical) |
Guangdong Well-t Nanotech Co., Ltd. is located in Dongkeng Industrial Zone, Dongkeng Town, Dongguan, Guangdong Province, China, postal code 523451. The company is listed with a harbour‑level trust tier, indicating that some verification has been completed by the marketplace. No additional corporate history, employee count or revenue figures are provided in the listing. The profile does not disclose any certifications or export licences.
The current response statistics show a response rate of 0 % and an average response time of zero hours, meaning the supplier has not yet replied to inquiries on the platform. The listing supplies only the technical data for the colloidal silica sol and does not mention minimum order quantities, pricing, or lead‑time details. Prospective buyers must contact the supplier directly to obtain these commercial terms. All information presented here derives solely from the supplied product and supplier data.
This colloidal silica product features a particle size of 5nm and 14-16% SiO2 content, formulated as a stable water-based suspension with low viscosity of 6.5 mPas at 25 degrees Celsius. It is specifically designed for paper manufacturing applications, effectively improving fiber bonding and fines retention for higher paper quality. With its Na2O content of 0.5% and pH range of 9-11, this nano-silica sol is ready-to-use in industrial slurry form with a 6-month shelf life.
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Sourcing Partical Size 5nm Colloidal Silica from Guangdong Well-t Nanotech Co., Ltd. - China Import Guide
Before placing an order, verify that the colloidal silica matches the stated particle size of 5 nm and the SiO₂ content of 14‑16 %. Request a recent Certificate of Analysis to confirm the Na₂O level of 0.5 % and the pH range of 9‑11. Clarify the specific gravity range of 1.08‑1.09 and the viscosity of 6.5 mPa·s at 25 °C, as these affect dosing in the paper slurry. Ask the supplier to confirm the six‑month shelf life under your storage conditions.
Discuss the preferred shipping method and the container size that can accommodate the bulk water‑based suspension. Because the supplier’s response rate is currently zero, arrange a pre‑order communication channel to obtain realistic lead‑time estimates. Confirm the Incoterms, such as FOB Dongguan or CIF Shanghai, and negotiate payment terms that reflect the high‑value nano‑additive nature of the product. Ensure that any required customs documentation, including a material safety data sheet, is prepared in advance.
Plan an on‑site or third‑party inspection to verify viscosity and particle size distribution before loading. Request a sample for laboratory testing against the industry standard retention performance criteria. Keep records of the batch number and production date to trace any variation during the six‑month shelf life. Ensure that the supplier can provide a declaration of conformity with relevant nanomaterial handling regulations.
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30 suppliersBuy Partical Size 5nm Colloid in Bulk — Verified Supplier in China
When sourcing Partical Size 5nm Colloidal Silica for your business, securing the right balance of quality and cost is essential. Guangdong Well-t Nanotech Co., Ltd., a verified supplier based in China, offers this product with key specifications including Industrial Grade Colloidal Silica / Nano Silica Sol, SiO2 14-16%, Na2O 0.5%, Balance Water, and 2-7 nm (nominal 5nm). By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $8001,200./Unit and manage bulk orders with a minimum order quantity (MOQ) of 1 Unit. This product is actively traded under HS Code 3824.99, making it a staple in the Silica Sand sector with strong demand from importing countries worldwide.
Partical Size 5nm Colloid Specifications, Trade Terms & Pricing
Importing Partical Size 5nm Colloid requires careful attention to shipping logistics, customs compliance, and secure payment terms. Guangdong Well-t Nanotech 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 3824.99 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 Guangdong Well-t Nanotech Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Partical Size 5nm Colloid 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 Partical Size 5nm Colloid — Shipping, Logistics & Customs
Importing Partical Size 5nm Colloid 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 3824.99 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 Partical Size 5nm Colloid
What is the wholesale price of Partical Size 5nm Colloidal Silica?
The current listed wholesale price for Partical Size 5nm Colloidal Silica from Guangdong Well-t Nanotech Co., Ltd. is $8001,200./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 Guangdong Well-t Nanotech Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Partical Size 5nm Colloid?
The supplier, Guangdong Well-t Nanotech Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Unit for Partical Size 5nm Colloid. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Partical Size 5nm Colloidal Silica?
For international shipping and customs clearance, Partical Size 5nm Colloidal Silica is classified under HS Code 3824.99. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Partical Size 5nm Colloid from China?
To import Partical Size 5nm Colloid from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Guangdong Well-t Nanotech Co., Ltd.. Ensure you have the necessary import licenses for Silica Sand products in your destination country.
Is Guangdong Well-t Nanotech Co., Ltd. a verified supplier?
Yes, Guangdong Well-t Nanotech 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 Partical Size 5nm Colloidal Silica?
The key specifications for Partical Size 5nm Colloidal Silica supplied by Guangdong Well-t Nanotech Co., Ltd. include Industrial Grade Colloidal Silica / Nano Silica Sol, SiO2 14-16%, Na2O 0.5%, Balance Water, and 2-7 nm (nominal 5nm). 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 Partical Size 5nm Colloid?
Guangdong Well-t Nanotech Co., Ltd. offers Partical Size 5nm Colloid with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Partical Size 5nm Colloid the most?
Partical Size 5nm Colloid is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Guangdong Well-t Nanotech Co., Ltd. through our platform.
What certifications does this Partical Size 5nm Colloid supplier hold?
Guangdong Well-t Nanotech Co., Ltd. maintains international quality certifications. These ensure that the Partical Size 5nm Colloid meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Partical Size 5nm Colloidal Silica on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Guangdong Well-t Nanotech 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 Guangdong Well-t Nanotech Co., Ltd..
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