Import Hydrophobic Silica — Buy in wholesale FOB from Supplier in China
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Hydrophobic Silica
Hydrophobic silica from Hebei Guiyan Electronic Materials Co., Ltd. is a surface-treated fumed silica (SiO2) powder designed to repel moisture and modify rheology in industrial applications. The material is chemically modified with hydrophobic compounds such as alkylsilanes or fluorosilanes, creating a non-polar surface that resists water interaction. This grade is supplied as a fine, white powder with a primary particle size in the nanometre range, suitable for bulk export in coatings, sealants, and adhesives.
The product serves as a thickening agent and anti-caking additive, improving flow properties in powder systems and enhancing water resistance in composites. Typical applications include paints, rubber compounds, and cosmetics, where its hydrophobicity prevents clumping and extends shelf life. Industry-standard grades for hydrophobic fumed silica often target a carbon content of 1 to 5% by weight, depending on the degree of surface treatment, with a specific surface area ranging from 100 to 400 m²/g.
Importers of this material are commonly manufacturers of coatings, sealants, and specialty chemicals seeking consistent rheology control. The supplier offers the product for international trade under CIF or CFR terms, with packaging typically in 10 kg or 20 kg bags. Buyers should confirm bulk density and moisture content specifications, as these directly impact performance in end applications such as high-solid coatings or silicone elastomers.
| Base Material | Surface-Treated Fumed Silica (SiO2) |
| Surface Treatment | Alkylsilanes or Fluorosilanes |
| Primary Particle Size | Nanometre range |
| Carbon Content (typical) | 1 to 5% by weight |
| Specific Surface Area (typical) | 100 to 400 m²/g |
| Bulk Density (typical) | 30 to 60 g/l |
| Moisture Content (typical) | ≤ 1.5% by weight |
| pH Value (typical) | 3.5 to 5.5 (4% aqueous dispersion) |
| Application | Rheology modifier, thickening agent, anti-caking additive |
| Packaging (typical) | 10 kg or 20 kg bags |
Hebei Guiyan Electronic Materials Co., Ltd. is located in Shijiazhuang, Hebei Province, China, with its office and operations based at 1908-1910, Block C, No. 319 Xiangjiang Road in the High-Tech Zone. The company specialises in the supply of electronic and specialty chemical materials, including surface-treated silica products for industrial use. Its address places it within a recognised industrial hub for chemical manufacturing and export.
The supplier is classified under the harbor trust tier, indicating a baseline level of verification for its profile. While the listed response rate and average response time are currently unavailable, the company’s focus on hydrophobic silica suggests a niche expertise in modified fumed silica for applications such as coatings and adhesives. Buyers should directly confirm the supplier’s current operational capacity, quality control measures, and export documentation support before proceeding with orders.
Hydrophobic fumed silica is a premium surface-treated SiO2 powder widely used as a rheology modifier and thickening agent in coatings, sealants, adhesives, and rubber compounds. This chemically modified pyrogenic silica repels moisture and provides excellent anti-caking performance in powder systems, making it ideal for export-grade bulk applications. Sourced from leading global producers, it meets rigorous industrial specifications and is available in various hydrophobicity grades suitable for cosmetics, paints, and precision manufacturing. Pricing reflects the specialized surface treatment process and is quoted on a CIF/CFR basis for international trade.
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Sourcing Hydrophobic Silica from Hebei Guiyan Electronic Materials Co., Ltd. - China Import Guide
Before ordering hydrophobic silica from Hebei Guiyan Electronic Materials Co., Ltd., verify the exact specifications for particle size, surface area, and carbon content, as these directly impact performance in your application. Request a certificate of analysis for the batch, including moisture content and pH values, to ensure it meets your formulation requirements. Confirm whether the material is treated with alkylsilanes or fluorosilanes, as the choice of hydrophobic agent can affect compatibility with your system.
Discuss logistics details such as packaging type, palletisation, and labelling to ensure compliance with your country’s import regulations. Clarify lead times for bulk orders, as production schedules for surface-treated silica can vary. Agree on Incoterms, with CIF or CFR being common for international shipments, and confirm payment terms, including any letters of credit or advance payment requirements. Ensure the supplier can provide the necessary export documentation, such as a commercial invoice and packing list.
Conduct quality checks upon receipt, including testing for bulk density, moisture content, and dispersion stability in your specific formulation. Request a sample for pre-shipment inspection to validate the material’s performance in your intended use. For critical applications, arrange third-party testing to verify compliance with industry standards for hydrophobic fumed silica, such as ASTM or ISO methods. Maintain records of all quality control data to support traceability and troubleshooting.
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30 suppliersBuy Hydrophobic Silica in Bulk — Verified Supplier in China
When sourcing Hydrophobic 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 Fumed Silica / Surface-Treated Pyrogenic Silica, SiO2 ≥ 99.8%, Surface-Modified (e.g., Dimethylsilyl or Hexamethyldisilazane treated), and Primary Particle: 5–50 nm; BET Surface Area: 100–300 m²/g. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $3,5006,500./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 Silica Specifications, Trade Terms & Pricing
Importing Hydrophobic Silica 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 global 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 Silica 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 Hydrophobic Silica — Shipping, Logistics & Customs
Importing Hydrophobic Silica 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 Silica
What is the wholesale price of Hydrophobic Silica?
The current listed wholesale price for Hydrophobic Silica from Hebei Guiyan Electronic Materials Co., Ltd. is $3,5006,500./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 Silica?
The supplier, Hebei Guiyan Electronic Materials Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Hydrophobic Silica. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Hydrophobic Silica?
For international shipping and customs clearance, Hydrophobic 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 Silica from China?
To import Hydrophobic Silica 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 Silica?
The key specifications for Hydrophobic Silica supplied by Hebei Guiyan Electronic Materials Co., Ltd. include Hydrophobic Fumed Silica / Surface-Treated Pyrogenic Silica, SiO2 ≥ 99.8%, Surface-Modified (e.g., Dimethylsilyl or Hexamethyldisilazane treated), and Primary Particle: 5–50 nm; BET Surface Area: 100–300 m²/g. 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 Silica?
Hebei Guiyan Electronic Materials Co., Ltd. offers Hydrophobic Silica with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Hydrophobic Silica the most?
Hydrophobic Silica 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 Silica supplier hold?
Hebei Guiyan Electronic Materials Co., Ltd. maintains international quality certifications. These ensure that the Hydrophobic Silica meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Hydrophobic 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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