High-Performance Phosphite Antioxidant 4500: Enhancing Polymer Stability and Color Retention
Discover how our advanced phosphite antioxidant significantly boosts the lifespan and aesthetic appeal of your polymer products.
Get a Quote & SampleProduct Core Value

Phosphite Antioxidant 4500
Our Phosphite Antioxidant 4500 is a polymeric phosphite antioxidant characterized by its high molecular weight and high phosphorus content. It is expertly designed to enhance the hydrolysis resistance and heat resistance of various polymers, ensuring superior stability and improved color retention.
- Synergistic effect with primary antioxidants: This secondary antioxidant works effectively alongside main antioxidants to boost overall antioxidant performance and reduce material costs.
- Effective hydroperoxide decomposition: It possesses a strong ability to decompose hydroperoxides, a critical step in preventing polymer degradation and maintaining product integrity.
- Improved stability and color: Utilized in thermoplastics, rubber, and PVC products, it significantly contributes to better thermal stability and preserves the initial color.
- Ideal for demanding applications: Its robust performance makes it a key additive for applications requiring extended durability and aesthetic preservation, contributing to cost reduction in polymer additives.
Advantages Provided by the Product
Superior Heat Stability
Benefit from enhanced heat resistance for thermoplastics and other polymers, ensuring reliable performance even under elevated temperatures during processing and use.
Excellent Hydrolysis Resistance
Our antioxidant significantly improves hydrolysis resistance, protecting polymers from degradation caused by moisture, thereby extending product lifespan.
Enhanced Color Retention
Achieve superior color retention in plastics and other materials. This antioxidant helps maintain the original appearance and prevents discoloration caused by oxidation.
Key Applications
Thermoplastics
Discover how Phosphite Antioxidant 4500 elevates the performance of your thermoplastic materials, offering enhanced hydrolysis resistance and heat resistance.
Rubber Products
Improve the durability and stability of your rubber formulations with our antioxidant, which plays a vital role in improving polymer stability.
PVC Applications
Experience improved processing and longevity in PVC products, benefiting from the secondary antioxidant for PVC capabilities that prevent degradation.
General Polymer Stabilization
Leverage the synergistic effect with primary antioxidants for a comprehensive approach to polymer protection, leading to better overall product quality and cost reduction in polymer additives.