High-Performance Antioxidants for Superior Polymer Protection
Discover our range of cost-effective antioxidants (AO-215, AO-220, AO-225, AO-561) designed to enhance the longevity and performance of your polymer-based products. As a leading manufacturer and supplier in China, we offer reliable solutions to combat oxidative degradation.
Get a Quote & SampleAdvanced Stabilization for Diverse Polymer Applications

Primary Hindered Phenolic Antioxidants
We are a trusted manufacturer and supplier of high-quality hindered phenolic antioxidants, including AO-215, AO-220, AO-225, and AO-561, with CAS numbers 6683-19-8 and 31570-04-4. Our products provide excellent antioxidizing effects at economical prices, offering long-term protection for polymers. Partner with a reliable Chinese supplier for your material needs.
- Optimal Polymer Protection: Our antioxidants prevent thermal and oxidative degradation, crucial for extending the lifespan of plastics like PE, PP, and ABS. Explore purchase options from our factory.
- Wide Application Spectrum: These compounds are effective as auxiliary agents in oil drilling, water treatment, rubber, plastics, coatings, and textiles, making them versatile for various industrial needs. Buy in bulk from our China-based facility.
- Superior Performance: With high purity and excellent solubility in solvents like toluene, our antioxidants ensure seamless integration into your formulations. Request a quote for competitive pricing.
- Customization Available: We offer customization to meet your specific application requirements, ensuring you receive the most effective solution. Contact us for tailored product development.
Key Advantages of Our Antioxidants
Exceptional Oxidative Resistance
Our hindered phenolic antioxidants effectively scavenge free radicals, providing robust protection against oxidative degradation, thereby preserving material integrity and performance. Discover competitive pricing and buy direct from a leading manufacturer.
Enhanced Product Longevity
By inhibiting chain reactions that lead to material breakdown, our products significantly extend the service life and shelf life of polymers and other organic substrates. Inquire about bulk purchase options and availability.
Cost-Effectiveness and High Purity
We provide high-purity antioxidants at competitive prices, offering an excellent balance of performance and economy for B2B clients. Get a quote from our supplier in China for your industrial needs.
Versatile Applications Across Industries
Polymer & Plastic Industry
Ideal for stabilizing polyolefins (PE, PP), polyamides, polycarbonate, PBT, and ABS, preventing yellowing and maintaining mechanical properties. We are a trusted supplier for your plastic additive needs.
Rubber Auxiliary Agents
Enhances the durability and resilience of rubber products by protecting against degradation, ensuring consistent performance in demanding applications. Purchase premium rubber auxiliaries from our manufacturing facility.
Coating & Textile Auxiliaries
Improves the longevity and appearance of coatings and textiles by providing essential protection against oxidative damage. Explore bulk buy options from our expert chemical manufacturer.
Water Treatment & Oil Drilling
Serves as an effective auxiliary agent in water treatment processes and oilfield applications, contributing to operational efficiency and material protection. Request a sample and quote today.