For professionals in the plastic and rubber industries, sourcing high-quality raw materials is fundamental to producing superior end products. Among the essential additives, antioxidants like Diphenyl Isodecyl Phosphite (DPDP) play a critical role in extending material lifespan and maintaining performance characteristics. This guide aims to assist manufacturers in understanding the importance of sourcing DPDP and what to look for in a reliable supplier.
DPDP, a phosphite ester, functions as a secondary antioxidant, primarily by decomposing hydroperoxides. This mechanism is vital for preventing the chain reactions that lead to polymer degradation, especially under thermal stress. Its effectiveness in protecting polymers like PVC, Polyurethanes, and various rubber compounds against heat and oxidation makes it a highly sought-after additive. When considering where to buy DPDP, it’s crucial to partner with entities that prioritize product purity and consistency.
As a leading manufacturer based in China, we understand the global demand for high-performance chemical additives. Our DPDP is produced under stringent quality control measures to ensure it meets international standards. When you engage with us, you gain access to a product that offers exceptional thermal stability and color protection, contributing directly to the quality and durability of your plastic and rubber goods. We are committed to offering a competitive price without compromising on quality.
Key considerations when sourcing DPDP include:
By partnering with a reputable manufacturer and supplier like us, you can secure a consistent supply of high-quality DPDP. We are dedicated to supporting the plastic and rubber industries by providing essential additives that enhance product performance. We encourage you to purchase DPDP from our company and experience the benefits of working with a trusted chemical partner dedicated to your success.
Manufacturing Facilities






Professional Export Experience
to Global Customers
1. 20 years of R&D, manufacturing and sales experience, serving customers in 60 countries and regions around the world;
2. Own R&D laboratory, pilot platform and large-scale production workshop, which can meet the audit requirements of global customers;
3. We can satisfy customers' perfect transition from small scale lab requirements (gram level) to commercialization requirements (hundred tons level).
A: We don't have Minimum Order Quantity, exact quantity should be provided before quotation for us to calculate the exact cost.
A: We don't provide free samples due to lots of request and expensive international courier's cost, we can deduct the sample charge after commercial order placed.
A: Our payment terms: Small or sample order: T/T IN ADVANCE. Commercial order: First order should be by T/T IN ADVANCE or L/C at sight, and following orders T/T 30~90days is acceptable subject to approval of credit application.