High Performance Diphenyl Isooctyl Phosphite Manufacturer & Supplier: Enhancing Polymer Stability
Discover the superior antioxidant capabilities of Diphenyl Isooctyl Phosphite (DPIOP). As a leading supplier in China, we provide this advanced phosphite ester to enhance the thermal and color stability of your polymers, ensuring product longevity and performance. Get a competitive quote today.
Get a Quote & SampleUnlock Superior Polymer Protection with Diphenyl Isooctyl Phosphite

Diphenyl Isooctyl Phosphite (DPIOP)
As a premier manufacturer and supplier of functional material additives, we offer Diphenyl Isooctyl Phosphite (DPIOP), a high-performance alkyl-aryl phosphite ester antioxidant. DPIOP is expertly formulated to decompose hydroperoxides (ROOH) with significantly higher efficacy than conventional phosphite antioxidants. This makes it an indispensable secondary antioxidant for a wide array of polymers, including PVC and Polyurethane (PU). Our commitment as a reliable supplier in China ensures you receive high-purity DPIOP for optimal results.
- Source high-quality Diphenyl Isooctyl Phosphite for your polymer formulations
- Enhance polymer longevity and performance with our advanced antioxidant solutions
- Benefit from synergistic effects when using DPIOP with phenolic antioxidants and UV absorbers
- Choose a trusted manufacturer and supplier for reliable procurement of DPIOP
Key Advantages of Our Diphenyl Isooctyl Phosphite
Exceptional Hydroperoxide Decomposition
Our DPIOP exhibits a superior ability to decompose hydroperoxides, a critical function in preventing polymer degradation and maintaining product integrity. This makes it a highly effective secondary antioxidant for demanding applications.
Enhanced Thermal and Color Stability
As a key polymer additive, DPIOP significantly improves the thermal stability and color retention of materials like PVC and PU. This is crucial for applications where aesthetic appeal and performance under heat are paramount. Consider purchasing DPIOP to improve your product's processing and end-use characteristics.
Synergistic Performance with Other Additives
DPIOP works exceptionally well in conjunction with hindered phenolic antioxidants and UV absorbers. This synergistic effect boosts overall protection against degradation, offering a comprehensive stabilization package for your materials. Contact us to buy this versatile additive.
Versatile Applications of Diphenyl Isooctyl Phosphite
PVC Formulations
DPIOP is widely utilized in PVC applications, including films, to improve color constancy and overall stability during processing and use. Investigate purchasing DPIOP as a crucial PVC stabilizer.
Polyurethane (PU) Systems
In Polyurethane films and adhesives, DPIOP acts as a vital secondary antioxidant, enhancing durability and preventing degradation. Secure your supply of this essential PU additive.
Rubber and Latex Products
Our DPIOP is an effective antioxidant for rubber and latex, safeguarding against oxidative damage and extending product lifespan. Consider sourcing DPIOP for your rubber manufacturing needs.
Resins and Coatings
Used in rosins, unsaturated resins, and PUR coatings, DPIOP contributes to improved stability and performance. Enquire about the price of DPIOP for your resin and coating formulations.