High-Performance Phosphite Antioxidant for Enhanced Polymer Stability
Discover the superior process stability and thermal protection offered by our advanced phosphite antioxidant, an essential component for high-temperature polymer applications. As a leading manufacturer and supplier in China, we ensure exceptional quality for your production needs.
Get a Quote & SampleSuperior Process Stability and Thermal Protection for Polymers

Bis(2,6-di-ter-butyl-4-methylphenyl)pentaerythritol-diphosphite
Our high-performance phosphite antioxidant is engineered to deliver exceptional process stability to polymers, drastically reducing discoloration and preventing melt flow rate increases during demanding high-temperature processing. As a reliable supplier in China, we offer competitive pricing for this critical additive.
- Achieve excellent resistance to hydrolysis and thermal stability, ensuring product longevity.
- Protect polymers against thermal degradation, maintaining optimal melt flow.
- Benefit from a marked synergistic effect when combined with phenolic antioxidants for superior performance.
- Secure peace of mind with food contact approvals in US, EU, and Japan for applications like food packaging.
Key Advantages for Polymer Manufacturers
Enhanced Thermal Processing Stability
Our phosphite antioxidant significantly improves polymer stability during high-temperature processing, a crucial factor for manufacturers looking to buy reliable additives that prevent degradation and maintain product integrity.
Superior Color Protection
Minimize unwanted discoloration in your final products. This antioxidant is ideal for applications demanding high visual quality and excellent resistance to color change, making it a sought-after product from our supplier catalog.
Synergistic Performance with Phenolic Antioxidants
Experience amplified protection by using our phosphite antioxidant in conjunction with phenolic antioxidants. This synergy is key for manufacturers seeking the most effective stabilization solutions and the best price.
Broad Application Spectrum for Diverse Industries
Polyolefins (PP, HDPE)
Enhance the processing and long-term stability of polyolefins like PP and HDPE with our high-quality phosphite antioxidant, available for purchase from our China-based facility.
Styrene Resins (PS, ABS)
Ensure optimal performance for styrene resins such as PS and ABS. Our antioxidant is a key ingredient for manufacturers focused on product quality and cost-effectiveness.
Engineering Plastics (PA, PC, m-PPE)
Boost the thermal stability and processability of demanding engineering plastics. We are a trusted supplier for these advanced material applications.
Food Packaging Materials
Utilize a safe and effective antioxidant for food packaging, backed by international approvals. Secure your supply of this critical component from our company.