Import Hydrophobic Colloidal Silica — Buy in wholesale FOB from Supplier in China
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Hydrophobic Colloidal Silica
The Hydrophobic Colloidal Silica supplied by Hebei Guiyan Electronic Materials Co., Ltd. consists of surface‑modified silicon dioxide nanoparticles dispersed in water. The suspension is offered at 30 % - 50 % solid content and the particles range from 5 nm to 150 nm in diameter. It is packaged in 25 kg drums or 1 000 kg IBC containers for bulk shipment. The product originates from the high‑tech zone of Shijiazhuang, Hebei, China.
In nanomaterial applications the typical specific surface area of colloidal silica lies around 200 m² g⁻¹, providing high reactivity for coating and catalyst support functions. Stability is usually maintained at a pH between 4 and 6, and the aqueous phase has a density close to 1.2 g cm⁻³ at 20 °C. Standard storage conditions allow a shelf life of twelve months at ambient temperature, and the hydrophobic surface treatment yields a water contact angle above 110°, which is essential for water‑repellent coatings. These parameters align with the supplier’s description of excellent water resistance and bonding properties.
The material finds use in waterproof coatings, precision casting, electronics encapsulation, and as a rheology modifier in inks or adhesives. Manufacturers in construction, semiconductor and specialty chemical sectors typically formulate the silica at 0.5 % - 5 % of the total solids. Procurement is usually organised in bulk drums or IBCs, and buyers should confirm the exact minimum order quantity, lead time and Incoterms with the supplier. Payment and shipping terms are negotiated per transaction, and any custom surface treatment must be agreed in advance.
| Material | Surface‑Modified Silicon Dioxide (SiO₂) Nanoparticles |
| Form | Aqueous colloidal suspension |
| Concentration range | 30 % - 50 % solids (as supplied) |
| Particle size distribution | typical 5 nm - 150 nm |
| Packaging | 25 kg drums, 1 000 kg IBCs |
| Typical pH | typical 4 - 6 |
| Typical density | typical 1.2 g cm⁻³ |
| Typical shelf life | typical 12 months at ambient temperature |
| Typical specific surface area | typical 200 m² g⁻¹ |
| Typical hydrophobicity rating | typical water contact angle > 110° |
Hebei Guiyan Electronic Materials Co., Ltd. is situated at 1908‑1910 Block C, No. 319 Xiangjiang Road, High‑Tech Zone, Shijiazhuang, Hebei, China. The supplier carries a harbour‑level trust tier on the platform, but its response rate is presently recorded as 0 %, indicating that communication may require persistent follow‑up.
The company focuses on electronic‑grade materials, including modified silica, metal oxides and specialty powders for high‑performance applications. Its catalogue lists hydrophobic colloidal silica among its flagship products, sourced from its own production lines or approved partners. No further details on certifications, production capacity or client references are disclosed in the public profile.
Hydrophobic colloidal silica is a surface-modified nano-SiO2 suspension widely used in waterproof coatings, precision casting, and electronics encapsulation. Available in concentrations of 30-50% solids with particle sizes typically ranging from 5-150 nm, it offers excellent water resistance and bonding properties. Ideal for import/export due to its high value-to-weight ratio and growing demand in construction and semiconductor industries globally. Typically supplied in 25 kg drums or 1000 kg IBCs with shelf life of 12 months.
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Sourcing Hydrophobic Colloidal Silica from Hebei Guiyan Electronic Materials Co., Ltd. - China Import Guide
Prior to ordering, request a detailed material safety data sheet, a certificate of analysis and any available test reports covering particle size distribution, specific surface area and water contact angle. Verify that the packaging seals are intact and that the drums or IBCs comply with your warehouse handling equipment. It is also prudent to ask whether the supplier holds any third‑party certifications, even though none are listed publicly.
Bulk logistics for colloidal silica typically involve sea freight in standard 20‑ft or 40‑ft containers, with common Incoterms such as FOB Shijiazhuang or CIF Shanghai. The supplier has not disclosed lead‑time or payment terms, so these should be negotiated explicitly and documented in a pro‑forma invoice. Clarify whether freight, insurance and customs duties are included in the quoted price to avoid hidden costs.
Implement a pre‑shipment inspection that checks drum integrity, verifies batch numbers and reviews the supplied test certificates. Upon arrival, arrange third‑party laboratory analysis for particle size, pH and hydrophobicity to confirm that the material meets your specification. Ensure that all import documentation, including the material safety data sheet, certificate of analysis and any required import permits, are provided before customs clearance.
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30 suppliersBuy Hydrophobic Colloidal Sil in Bulk — Verified Supplier in China
When sourcing Hydrophobic Colloidal Silica for your business, securing the right balance of quality and cost is essential. Hebei Guiyan Electronic Materials Co., Ltd., a verified supplier based in China, offers this product with key specifications including Hydrophobic Surface-Modified Colloidal Silica, SiO2 Content: 30-50% (aqueous/solvent based suspension), and Particle Size: 5 - 150 nm (adjustable by grade). By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $3,5006,000./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 Silica Sand sector with strong demand from importing countries worldwide.
Hydrophobic Colloidal Sil Specifications, Trade Terms & Pricing
Importing Hydrophobic Colloidal Sil requires careful attention to shipping logistics, customs compliance, and secure payment terms. Hebei Guiyan Electronic 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 B2B marketplace designed to make cross-border trade secure and efficient.
About Hebei Guiyan Electronic Materials Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Hydrophobic Colloidal Sil 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 Hydrophobic Colloidal Sil — Shipping, Logistics & Customs
Importing Hydrophobic Colloidal Sil 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 Hydrophobic Colloidal Sil
What is the wholesale price of Hydrophobic Colloidal Silica?
The current listed wholesale price for Hydrophobic Colloidal Silica from Hebei Guiyan Electronic Materials Co., Ltd. is $3,5006,000./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 Hebei Guiyan Electronic Materials Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Hydrophobic Colloidal Sil?
The supplier, Hebei Guiyan Electronic Materials Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Hydrophobic Colloidal Sil. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Hydrophobic Colloidal Silica?
For international shipping and customs clearance, Hydrophobic Colloidal Silica 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 Hydrophobic Colloidal Sil from China?
To import Hydrophobic Colloidal Sil from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Hebei Guiyan Electronic Materials Co., Ltd.. Ensure you have the necessary import licenses for Silica Sand products in your destination country.
Is Hebei Guiyan Electronic Materials Co., Ltd. a verified supplier?
Yes, Hebei Guiyan Electronic 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 Hydrophobic Colloidal Silica?
The key specifications for Hydrophobic Colloidal Silica supplied by Hebei Guiyan Electronic Materials Co., Ltd. include Hydrophobic Surface-Modified Colloidal Silica, SiO2 Content: 30-50% (aqueous/solvent based suspension), and Particle Size: 5 - 150 nm (adjustable by grade). 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 Hydrophobic Colloidal Sil?
Hebei Guiyan Electronic Materials Co., Ltd. offers Hydrophobic Colloidal Sil with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Hydrophobic Colloidal Sil the most?
Hydrophobic Colloidal Sil is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Hebei Guiyan Electronic Materials Co., Ltd. through our platform.
What certifications does this Hydrophobic Colloidal Sil supplier hold?
Hebei Guiyan Electronic Materials Co., Ltd. maintains international quality certifications. These ensure that the Hydrophobic Colloidal Sil meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Hydrophobic Colloidal Silica on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Hebei Guiyan Electronic 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 Hebei Guiyan Electronic Materials Co., Ltd..
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