Agriculture›
Apparel and fashion accessories›
Construction & real estate›💡Electronic & Electrical›🍎Food & Beverages›🛋️Home furnishing & supplies›⚗️Industrial goods & chemical›🪨Minerals & metals›📦Miscellaneous›
Agriculture›
Apparel and fashion accessories›
Construction & real estate›💡Electronic & Electrical›🍎Food & Beverages›🛋️Home furnishing & supplies›⚗️Industrial goods & chemical›🪨Minerals & metals›📦Miscellaneous›

Vinyltriethoxysilane, also known as A-151 silane coupling agent, is a versatile organosilane compound that plays a pivotal role in enhancing the performance of various construction chemicals. With a chemical formula of CH2=CHSi(OC2H5)3 and a CAS number of 78-08-0, this silane is renowned for its multifunctional properties, making it an essential additive in industries requiring superior coating adhesion and waterproofing capabilities. A-151 acts as a coupling agent, effectively bonding organic and inorganic materials, thus improving the durability and longevity of composite materials.
Key features of Vinyltriethoxysilane include its exceptional ability to promote adhesion in glass fiber sizing applications, its utility as a rubber coupling agent, and its effectiveness as a waterproofing agent for various substrates. This product is particularly beneficial in the construction sector, where it enhances the performance of sealants, adhesives, and coatings.
Industries such as automotive, construction, and manufacturing can leverage the advantages of this silane for applications ranging from composite materials to protective coatings. The product is available with flexible Minimum Order Quantities (MOQ), ensuring accessibility for both large-scale manufacturers and smaller enterprises. With certifications like ISO and SGS, you can trust in the quality and reliability of our Vinyltriethoxysilane. Our commitment to quality and customer satisfaction ensures you receive only the best.
| HS Code | 2931.39 |
| Material | Vinyltriethoxysilane C8H18O3Si (A-151 Grade) |
| Grade/Type | A-151 Industrial Grade / Silane Coupling Agent |
| Chemical Formula | CH2=CHSi(OC2H5)3 |
| Purity/Composition | Min 97% (Typical 97-99%) |
| Appearance | Colorless to yellowish transparent liquid |
| Application | Construction sealants, adhesives, coatings, glass fiber sizing, rubber coupling agent, waterproofing additive |
| Packaging | Steel drums (200L), IBC totes (1000L), or as per buyer requirement |
| CAS Number | 78-08-0 |
| Origin | Typically China or Germany (varies by supplier) |
Vinyltriethoxysilane (A-151) is a vinyl-functional organosilane coupling agent with the formula CH2=CHSi(OC2H5)3, supplied as a colorless to yellowish transparent liquid. It is widely used in construction chemicals to improve adhesion between inorganic substrates and organic polymers in sealants, adhesives, and coating formulations. This silane also serves as a key sizing agent for glass fiber and a coupling agent in rubber compounds. Available in industrial grade with typical purity above 97%, it is traded internationally in steel drum or IBC packaging. Importers and exporters in the coatings and construction materials sectors commonly source this product under HS Code 2931.39.
| 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 |
Vingyltriethoxysilane is offered by Chengdu Thinkbond Chemical 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 Vingyltriethoxysilane, 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.
Active buying requirements from importers looking for Similar products
Compare alternatives, find similar products and connect with verified suppliers


When sourcing Vingyltriethoxysilane for your business, securing the right balance of quality and cost is essential. Chengdu Thinkbond Chemical Co, . Ltd., a verified supplier based in China, offers this product with key specifications including A-151 Industrial Grade / Silane Coupling Agent, CH2=CHSi(OC2H5)3, and Min 97% (Typical 97-99%). By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $4,0006,000./Unit and manage bulk orders with a minimum order quantity (MOQ) of 1 Unit. This product is actively traded under HS Code 2931.39, making it a staple in the Construction Chemicals sector with strong demand from importing countries worldwide.
Importing Vingyltriethoxysilane requires careful attention to shipping logistics, customs compliance, and secure payment terms. Chengdu Thinkbond Chemical 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 2931.39 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 Vingyltriethoxysilane 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 Construction Chemicals category and connect with top-tier exporters on our comprehensive global B2B marketplace. Start your sourcing journey today.
Importing Vingyltriethoxysilane 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 2931.39 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 Vingyltriethoxysilane from Chengdu Thinkbond Chemical Co, . Ltd. is $4,0006,000./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 Chengdu Thinkbond Chemical Co, . Ltd. through EximNext.
The supplier, Chengdu Thinkbond Chemical Co, . Ltd., has set a Minimum Order Quantity (MOQ) of 1 Unit for Vingyltriethoxysilane. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
For international shipping and customs clearance, Vingyltriethoxysilane is classified under HS Code 2931.39. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
To import Vingyltriethoxysilane from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Chengdu Thinkbond Chemical Co, . Ltd.. Ensure you have the necessary import licenses for Construction Chemicals products in your destination country.
Yes, Chengdu Thinkbond Chemical 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 Vingyltriethoxysilane supplied by Chengdu Thinkbond Chemical Co, . Ltd. include A-151 Industrial Grade / Silane Coupling Agent, CH2=CHSi(OC2H5)3, and Min 97% (Typical 97-99%). For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
Chengdu Thinkbond Chemical Co, . Ltd. offers Vingyltriethoxysilane with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Vingyltriethoxysilane is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Chengdu Thinkbond Chemical Co, . Ltd. through our platform.
Chengdu Thinkbond Chemical Co, . Ltd. maintains international quality certifications. These ensure that the Vingyltriethoxysilane 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. Chengdu Thinkbond Chemical 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 Chengdu Thinkbond Chemical Co, . Ltd..
Discover more products in Construction Chemicals from verified suppliers worldwide.