High-Performance Phosphite Antioxidant: Enhancing Polymer Stability and Durability
Discover the superior protective capabilities of our environmentally friendly phosphite antioxidant, designed to significantly improve the thermal stability, initial color, and anti-aging performance of your polymers. As a leading manufacturer and supplier in China, we offer a reliable source for this critical additive.
Get a Quote & SampleAchieve Unmatched Polymer Protection with Our Phosphite Antioxidant

Diisodecyl Pentaerythritol Diphosphite
As a trusted manufacturer and supplier in China, we provide Diisodecyl Pentaerythritol Diphosphite (CAS 26544-27-4), a cutting-edge, phenol-free phosphite ester antioxidant. This product offers exceptional performance in preventing polymer degradation, making it an essential component for manufacturers seeking to buy high-quality polymer stabilizers.
- Environmentally Friendly & Phenol-Free: Our antioxidant contains no phenol, nonylphenol, BPA, or BHT, aligning with strict environmental and safety regulations.
- Superior Hydroperoxide Decomposition: Effectively decomposes hydroperoxides (ROOH), offering better initial color and heat resistance compared to common phosphite antioxidants.
- Enhanced Polymer Stability: Chelates metal ions to prevent catalytic degradation, increasing heat resistance and anti-aging performance in plastics and rubbers.
- Food-Contact Approved & Stable: FDA approved for food packaging materials, boasting excellent hydrolytic stability, making it a safe and reliable choice for sensitive applications.
Key Advantages of Our Phosphite Antioxidant
Exceptional Thermal and Color Stability
Experience superior initial color and heat resistance, crucial for maintaining product aesthetics and integrity during processing and use. This makes it a preferred antioxidant for PVC applications.
Broad Application Versatility
Widely used as a stabilizer in rubber and latex products, and in combination with phenolic antioxidants and UV absorbers in plastic food packaging. Explore our product to buy for your diverse needs.
Environmentally Conscious Formulation
Our commitment to sustainability means offering a phenol-free alternative that can replace traditional antioxidants like TNPP, TPO, and PDOP, reducing environmental impact.
Diverse Applications for Enhanced Polymer Performance
PVC Film
Enhance the transparency and temperature resistance of PVC films, ensuring optimal performance in packaging and other applications.
Polyolefins
Improve the stability of LLDPE, HDPE, and PP, protecting against thermal degradation during processing and extending product lifespan.
Rubber and Latex
Act as a vital stabilizer and antioxidant, preserving the integrity and performance of rubber and latex products.
Coatings and Resins
Stabilize PUR coatings, epoxy resins, and unsaturated resins, protecting color and improving heat resistance.