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Hydrophobic colloidal silica refers to silica nanoparticles that have been chemically modified to repel water. Colloidal silica consists of tiny particles of silicon dioxide suspended in a liquid. These particles are so small that they remain dispersed rather than settling out of solution. Applications Coatings and paints: Hydrophobic colloidal silica can be used as an additive to improve the water resistance and durability of coatings and paints. It helps prevent moisture from penetrating the surface, thereby enhancing the protective properties of the coating. Rheology modifiers: Hydrophobic colloidal silica can be incorporated into various formulations to control rheological properties such as viscosity and thixotropy. This is particularly useful in industries such as cosmetics, adhesives, and printing inks. Catalyst supports: Hydrophobic colloidal silica can serve as a support material for catalysts in chemical reactions. The hydrophobic surface helps prevent unwanted interactions with water, allowing the catalyst to remain active for longer periods. Pharmaceuticals: Hydrophobic colloidal silica may be used in pharmaceutical formulations to improve drug stability, control release rates, and enhance bioavailability.
| HS Code | 2811.22 |
| Material | Surface-Modified Silicon Dioxide (SiO2) Nanoparticles |
| Grade/Type | Hydrophobic Surface-Modified Colloidal Silica |
| Purity/Composition | SiO2 Content: 30-50% (aqueous/solvent based suspension) |
| Size/Dimensions | Particle Size: 5 - 150 nm (adjustable by grade) |
| Surface Treatment | Hydrophobic silane coupling agent modified |
| Application | Industrial coatings, refractory binders, semiconductor CMP, construction chemicals, electronics encapsulation |
| Packaging | 25 kg drums, 200 L drums, 1000 L IBC totes |
| Storage/Transport | Sealed containers, avoid freezing, temperature controlled |
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.
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | <4h |
| Response Rate | New Supplier |
Hydrophobic Colloidal Silica is offered by Hebei Guiyan Electronic Materials Co., Ltd., a Supplier based in China, 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 Hydrophobic Colloidal Sil, 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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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.
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.
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.
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).
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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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