In the chemical industry, versatility is a key attribute, and 3-Chloropropyltrimethoxysilane (CPTMS) exemplifies this. As a leading supplier, we see firsthand how this organosilane's unique properties make it invaluable in both the coatings and adhesives sectors. Its ability to act as a coupling agent and a performance-enhancing additive addresses critical needs for improved adhesion and material durability.
In the coatings industry, CPTMS functions as an excellent adhesion promoter. When applied to substrates like metal, glass, or even certain plastics, it creates a surface that is more receptive to coating adhesion. The silane's methoxy groups hydrolyze, forming reactive silanol groups that bond to the inorganic surface, while the chloropropyl group offers reactivity that can be exploited by various coating resins. This leads to coatings with better scratch resistance, improved corrosion protection, and enhanced overall longevity. Purchasing CPTMS from a reliable manufacturer in China ensures you receive a consistent, high-quality product essential for superior coating performance.
For adhesives and sealants manufacturers, 3-Chloropropyltrimethoxysilane is a critical ingredient for achieving robust bonds. Its role as a coupling agent in formulations, particularly for epoxy and urethane systems, is well-established. When added to isocyanate prepolymers, it does not adversely affect viscosity, a crucial factor for processing. Instead, it enhances the adhesion of the adhesive to various substrates, leading to stronger, more reliable bonds that can withstand stress and environmental factors. Companies looking to buy this versatile silane can rely on our consistent supply chain.
The dual functionality of CPTMS – its capacity to act as both a surface modifier and a reactive intermediate – makes it a cornerstone chemical. It can be used for treating surfaces to improve hydrophobicity or to prepare them for subsequent chemical modifications. Furthermore, its utility as an intermediate for synthesizing other functional silanes allows for custom-tailored solutions in advanced material development. We are committed to providing this high-value chemical to support innovation across these industries.
By understanding the broad applications of 3-Chloropropyltrimethoxysilane, businesses can leverage its capabilities to enhance their product offerings. We encourage you to consider our high-purity CPTMS as your go-to solution for demanding adhesion challenges in coatings and adhesives.
Manufacturing Facilities






Professional Export Experience
to Global Customers
1. 20 years of R&D, manufacturing and sales experience, serving customers in 60 countries and regions around the world;
2. Own R&D laboratory, pilot platform and large-scale production workshop, which can meet the audit requirements of global customers;
3. We can satisfy customers' perfect transition from small scale lab requirements (gram level) to commercialization requirements (hundred tons level).
A: We don't have Minimum Order Quantity, exact quantity should be provided before quotation for us to calculate the exact cost.
A: We don't provide free samples due to lots of request and expensive international courier's cost, we can deduct the sample charge after commercial order placed.
A: Our payment terms: Small or sample order: T/T IN ADVANCE. Commercial order: First order should be by T/T IN ADVANCE or L/C at sight, and following orders T/T 30~90days is acceptable subject to approval of credit application.