In the competitive market for paints and coatings, product longevity and sustained performance are key selling points. Degradation caused by environmental factors, particularly microbial growth, can significantly shorten the lifespan of coatings, leading to premature failure and costly remediation. Copper Pyrithione (CPT) plays a critical role in modern coating formulations by acting as a potent biocide that combats these degrading agents.
CPT is an organometallic compound recognized for its exceptional ability to inhibit the growth of a wide array of microorganisms, including bacteria, fungi, and algae. This broad-spectrum activity is invaluable in applications ranging from marine antifouling paints, where it prevents the colonization of ship hulls by fouling organisms, to building coatings, where it guards against mold, mildew, and unsightly discoloration. The controlled release of copper ions from CPT-infused coatings provides a continuous barrier against microbial attack, ensuring that surfaces remain protected over extended periods.
The benefits of incorporating CPT into coating formulations extend beyond simple surface protection. By preventing biofouling and microbial degradation, CPT contributes to maintaining the aesthetic appearance and structural integrity of coated substrates. In marine environments, this translates to improved hydrodynamic efficiency and reduced fuel consumption. For architectural coatings, it means surfaces remain cleaner, healthier, and more visually appealing for longer, reducing the need for frequent repainting.
Procurement managers and formulators are increasingly seeking reliable sources for high-quality biocides like CPT. As a manufacturer and supplier of 98% pure Copper Pyrithione (CAS 14915-37-8) from China, we understand the importance of consistent product quality and dependable supply chains. Our commitment to excellence ensures that clients receive a biocide that will effectively enhance the longevity and performance of their coating products.
We encourage businesses looking to improve the durability and protective capabilities of their coatings to consider Copper Pyrithione. Whether your focus is on marine applications, architectural paints, or specialized industrial coatings, CPT offers a proven solution. Reach out to us to learn more about our product specifications, discuss bulk purchase options, and secure samples to integrate this essential biocide into your next generation of coatings. Partner with a trusted supplier to ensure your products stand the test of time.
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.