High-Performance Phosphite Antioxidant for Polymer Stabilization
Discover our premium phosphite antioxidant, designed to enhance polymer processing and longevity. We are a leading manufacturer and supplier in China, offering competitive pricing for bulk purchases. Get a quote and sample today!
Get a Quote & SampleUnmatched Polymer Process Stability and Color Protection

Bis(2,6-di-tert-butyl-4-methylphenyl)pentaerythritol-diphosphite
As a trusted manufacturer and supplier of high-performance polymer additives in China, we offer Bis(2,6-di-tert-butyl-4-methylphenyl)pentaerythritol-diphosphite (CAS 80693-00-1). This advanced phosphite antioxidant provides exceptional process stability and protects polymers from thermal degradation, crucial for applications demanding high temperatures and minimal discoloration. Its excellent resistance to hydrolysis further ensures product integrity.
- Superior Process Stability: Our phosphite antioxidant ensures polymers maintain their integrity during high-temperature processing, a key benefit for manufacturers seeking reliable suppliers.
- Excellent Hydrolysis Resistance: This additive offers superior protection against moisture, extending the lifespan and performance of your polymer products.
- Effective Color Protection: Dramatically reduce discoloration and maintain the aesthetic appeal of your final products, a critical factor when buying materials for consumer goods.
- Synergistic Effects: Achieve enhanced performance by combining our antioxidant with phenolic antioxidants, offering a cost-effective solution for complex formulation needs.
Key Advantages of Our Phosphite Antioxidant
Enhanced Thermal Stability
Our antioxidant significantly reduces thermal degradation, preventing unwanted changes in melt flow rate and preserving the physical properties of polymers during processing. This makes it an ideal choice when you need to buy materials for demanding applications.
Food Contact Compliance
Approved for indirect additive use in food contact substances by US, EU, and Japan, our product is a safe and reliable choice for food packaging applications, giving you peace of mind when sourcing materials.
Broad Polymer Compatibility
Highly effective in polyolefins (PP, HDPE), styrene resins (PS, ABS), and engineering plastics (PA, PC, m-PPE, Polyesters), our antioxidant offers versatility for various manufacturing needs. Find a trusted supplier for all your plastic additive requirements.
Versatile Applications for Polymer Enhancement
Polyolefins
Protect polypropylene (PP) and high-density polyethylene (HDPE) from degradation during high-temperature processing, ensuring consistent quality and performance for your products.
Styrene Resins
Improve the thermal stability and color retention of polystyrene (PS) and acrylonitrile butadiene styrene (ABS), crucial for applications where appearance matters.
Engineering Plastics
Enhance the performance of polyamides (PA), polycarbonates (PC), and modified polyphenylene ether (m-PPE) under demanding processing conditions, ensuring product reliability.
Food Packaging
As an approved indirect additive for food contact, it ensures the safety and quality of food packaging materials, making us a preferred supplier for this sector.