In the competitive world of plastic manufacturing, achieving superior product aesthetics and longevity is paramount. NINGBO INNO PHARMCHEM CO.,LTD. understands this critical need, offering cutting-edge solutions like Optical Brightener OB. This advanced additive is specifically engineered to significantly improve the visual appeal of a wide range of polymer products.
Optical Brightener OB functions by absorbing invisible UV light and re-emitting it as visible blue light. This unique mechanism effectively counteracts the natural yellowish tinge often found in raw plastics or developed during high-temperature processing, resulting in a whiter, brighter, and more vibrant finished product. For manufacturers, this translates directly into enhanced market appeal.
Our Optical Brightener OB for plastic is a highly effective fluorescent whitening agent, crucial for industries producing items from PVC pipes to complex polycarbonate components. Its exceptional compatibility with various resin types, including PE, PP, ABS, and EVA, makes it an indispensable additive. Furthermore, its outstanding high temperature resistance ensures stable performance even under demanding manufacturing conditions, preserving the integrity and brilliance of your plastics.
By integrating this high-purity optical brightener agent OB into your production, you can prevent premature yellowing caused by UV exposure and processing heat, thereby extending the perceived lifespan of your products. Whether you are a large-scale manufacturer or a specialized supplier, optimizing your plastic formulations with our superior brightening solutions can set your products apart.
NINGBO INNO PHARMCHEM CO.,LTD. is a trusted manufacturer and supplier of advanced polymer additives. We invite you to explore the benefits of Optical Brightener OB to achieve unparalleled whiteness and brightness for your plastic applications. Contact us today to learn more about how to buy optical brightener for polymers and to discuss specific requirements for your projects.
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.