In the realm of material science, protecting polymers from the damaging effects of ultraviolet radiation is a perpetual challenge. NINGBO INNO PHARMCHEM CO.,LTD., a leading chemical supplier and manufacturer, introduces Benzoxazinone UV Absorber 3638 as a premier solution. This advanced additive offers a unique combination of properties that enhance the longevity and performance of various polymer systems. For product formulators and purchasing managers, understanding the capabilities of this UV absorber is crucial when considering procurement.
The Power of Benzoxazinone UV Absorber 3638
UV Absorber 3638 is a highly efficient benzoxazinone-based UV absorber. Its primary function is to absorb UV light, thereby preventing photo-oxidative degradation of polymers. What makes it particularly valuable is its strong absorption in the UV-A region, complementing its effectiveness against UVB. Crucially, it does this without contributing any color to the polymer matrix, a critical attribute for applications where clarity and aesthetics are paramount, such as optical films and coatings. This feature alone makes it a preferred choice for manufacturers looking to buy premium additives.
For professionals involved in polymer processing, the thermal stability of an additive is a key consideration. UV Absorber 3638 exhibits excellent thermal stability, with a TGA indicating minimal loss at high temperatures (up to 371°C). This attribute ensures it performs reliably during demanding extrusion and molding processes common in industries working with PET, PC, and Nylon. As a dedicated manufacturer, we ensure that when you buy our UV absorber, you receive consistent, high-quality material.
Applications Benefiting from UV Absorber 3638
The unique property profile of UV Absorber 3638 makes it suitable for a wide array of applications. It is widely adopted in the production of polyester films, fibers, and containers, providing essential UV protection. Its compatibility and transparency also make it ideal for polycarbonate and PETG molding applications. Furthermore, its FDA approval for food contact applications signifies its safety and suitability for packaging materials, a growing area of demand. When you need to buy reliable UV protection for sensitive applications, consider this product.
Partner with a Trusted UV Absorber Supplier
NINGBO INNO PHARMCHEM CO.,LTD. is dedicated to supplying high-performance polymer additives. By choosing to buy UV Absorber 3638 from us, you are partnering with a manufacturer committed to quality and innovation. We offer competitive pricing and a stable supply chain, ensuring your production needs are met. If you are seeking to improve the durability and performance of your polymer products, we invite you to request a quote and learn more about how UV Absorber 3638 can be your ideal solution.
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.