High-Performance Phosphite Antioxidant for Polymer Stabilization
Discover the benefits of a leading phosphite ester antioxidant. Enhance your polymer products with superior thermal stability, color retention, and processing efficiency. Contact us for competitive pricing and reliable supply.
Get a Quote & SampleSuperior Polymer Protection with Phosphite Antioxidants

Diphenyl Isodecyl Phosphite (DPDP)
As a premier manufacturer and supplier of advanced polymer additives in China, we offer Diphenyl Isodecyl Phosphite (DPDP). This high-performance phosphite ester antioxidant is designed to significantly improve the processing stability and color retention of various polymers. Its ability to decompose hydroperoxides makes it a vital secondary antioxidant, providing synergistic effects when used with primary antioxidants. Explore how our competitive pricing and reliable supply chain can benefit your procurement needs.
- Enhanced Polymer Stability: Leverage the power of DPDP as a secondary antioxidant to decompose hydroperoxides, thereby improving overall polymer stability.
- Superior Color Retention: Ensure your final products maintain their intended color and clarity, even under demanding processing conditions.
- Broad Polymer Compatibility: Effectively use DPDP in polymers such as PVC, ABS, Polyurethanes, and coatings, making it a versatile solution for diverse applications.
- Cost-Effective Procurement: Partner with a trusted supplier for competitive pricing and bulk purchase options, ensuring excellent value for your investment.
Key Advantages of Our Phosphite Antioxidant
Advanced Hydroperoxide Decomposition
Our Diphenyl Isodecyl Phosphite excels in breaking down hydroperoxides, a critical step in preventing polymer degradation during processing and service life, ensuring product longevity.
Synergistic Performance
When combined with primary phenolic antioxidants, DPDP exhibits significant synergistic effects, boosting the overall antioxidant protection and offering a comprehensive stabilization package for your materials.
Processing Efficiency & Color Stability
Benefit from improved melt processing characteristics and exceptional color stability, crucial for applications where visual appeal and consistent performance are paramount.
Versatile Applications in Polymer Industries
PVC Stabilization
As a chelating agent and auxiliary stabilizer, DPDP is widely used in PVC formulations to enhance thermal stability and prevent discoloration, making it a key component for PVC manufacturers looking to buy quality raw materials.
Polyurethane Formulations
Enhance the durability and processing of polyurethane (PU) systems, including films and adhesives, with the superior antioxidant properties of DPDP. Source this essential PU additive from a reliable supplier.
Coatings and Adhesives
Improve the longevity and performance of coatings and adhesives by preventing oxidative degradation. Buy high-quality DPDP to ensure the integrity of your formulated products.
ABS and Other Polymers
Utilize DPDP in ABS, rubber, latex, and unsaturated resins to achieve optimal protection against degradation, ensuring consistent product quality for your manufacturing needs.