For professionals in the chemical and manufacturing sectors, understanding the nuances of key raw materials is vital for optimizing product development and ensuring efficient production. Diisononyl Phthalate (DINP) is one such critical material, widely recognized as a high-performance plasticizer. This guide will delve into the essential properties, diverse applications, and the importance of reliable sourcing for DINP, from the perspective of a dedicated manufacturer and supplier.
What is DINP?
Diisononyl Phthalate (DINP) is a general-purpose, high-molecular-weight plasticizer derived from phthalic acid and isononanol. Its primary function is to increase the flexibility, workability, and durability of polymers, most notably Polyvinyl Chloride (PVC). Compared to older plasticizers like Dioctyl Phthalate (DOP), DINP offers a superior balance of properties, including lower volatility, better heat resistance, and improved low-temperature performance.
Key Properties of DINP
The appeal of DINP lies in its distinctive characteristics:
Diverse Applications of DINP
The versatility of DINP makes it a staple across numerous industries:
Sourcing High-Quality DINP
For manufacturers, securing a reliable supply of high-purity DINP is essential. As a dedicated DINP manufacturer based in China, we are committed to providing products that meet stringent quality standards. We understand the importance of consistency, competitive pricing, and timely delivery for our clients. Whether you are looking to buy DINP for specific applications or exploring cost-effective alternatives, our team is ready to assist.
We encourage procurement managers and R&D professionals to consider DINP for their polymer formulation needs. By partnering with a trusted manufacturer and supplier, you can ensure the quality and performance of your end products. Feel free to contact us to learn more about our DINP specifications, request a sample, or obtain a competitive quote. Let us be your reliable source for premium DINP plasticizer.
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.