Advanced Benzoxazinone UV Absorber 3638 for Superior Polymer Protection
Discover the next generation of UV stabilization with our high-efficiency Benzoxazinone UV Absorber 3638. Engineered for demanding applications, it provides unparalleled protection and durability for your polymer products, ensuring long-lasting performance and aesthetic integrity. Get a quote and sample today to experience the difference.
Get a Quote & SampleUnmatched UV Protection and Thermal Stability for Polymers

Benzoxazinone UV Absorber 3638
As a leading manufacturer and supplier in China, we offer Benzoxazinone UV Absorber 3638, a cutting-edge additive designed to significantly enhance polymer performance. This product provides strong and broad UV absorption across both UVB and UVA regions without imparting color, making it an excellent choice for optical applications. Its high thermal stability, with a TGA of 371℃ (10% loss), ensures it withstands demanding processing temperatures in industries like polyester, polycarbonate, and nylon manufacturing. If you're looking to buy a high-quality UV absorber for your polymer needs, consider our reliable supply.
- Superior UV Absorption: Offers robust protection against both UVB and UVA radiation, crucial for extending product lifespan and maintaining optical clarity. Find out how to buy this UV absorber for your specific needs.
- Exceptional Thermal Stability: With a TGA of 371℃, it's ideal for high-temperature processing of engineering plastics like PET and PC, ensuring performance throughout the manufacturing cycle.
- No Color Contribution: Ensures that the initial color of your polymers remains unaffected, vital for optical applications and aesthetic-critical products.
- FDA Approved for Food Contact: Guarantees safety and compliance for food packaging materials, a key consideration for many manufacturers. Explore purchase options for this food-grade UV absorber.
Key Advantages of Benzoxazinone UV Absorber 3638
Broad Spectrum UV Protection
Our UV Absorber 3638 effectively absorbs both UVB and UVA light, providing comprehensive protection that safeguards polymers from degradation, discoloration, and loss of mechanical properties. This is essential for applications exposed to sunlight.
High Processing Temperature Tolerance
Engineered for resilience, this UV absorber maintains its integrity at high processing temperatures (up to 371°C TGA), making it suitable for demanding engineering plastics like PET, PC, and Nylon. This characteristic ensures consistent performance and makes it a top choice to buy for manufacturers.
Excellent Compatibility and Stability
Exhibits good compatibility with PET, showing no adverse reactions during polymerization and no impact on physical properties. Its resistance to degradation and migration ensures long-term effectiveness, providing a stable solution for polymer formulators.
Versatile Applications Across Industries
Optical and Lens Industry
The non-staining and non-coloring properties, combined with excellent UV absorption, make it ideal for optical lenses and films where clarity and color fidelity are paramount. Consider purchasing this UV absorber for precision optical components.
LED Diffusion Plates
Perfect for LED diffusion plates that require high light transmission and protection from UV degradation, ensuring the longevity and performance of lighting solutions. A reliable supplier can help you source this product.
Polyester and Polycarbonate Applications
Widely used in PET films, fibers, and containers, as well as Polycarbonate (PC) and PETG products, offering superior UV stabilization and heat resistance for durable goods. We are a trusted manufacturer for these materials.
Food Contact Packaging
With FDA approval, this UV absorber is a safe and effective choice for food packaging materials, protecting contents and packaging from UV damage while meeting regulatory standards. Inquire about bulk purchase options.