Unsaturated Polyester Resin (UPR) stands out in the polymer industry for its remarkable versatility, cost-effectiveness, and ability to be tailored for a wide array of applications. From large-scale construction projects to high-performance composite components, UPR is a foundational material for modern manufacturing. As a dedicated manufacturer and supplier of UPR, NINGBO INNO PHARMCHEM CO.,LTD. is committed to providing high-quality resins that empower innovation across diverse sectors.
What Makes UPR So Versatile?
UPR belongs to the class of thermosetting polymers. Its defining characteristic is the presence of double bonds in its molecular structure, which allows it to undergo cross-linking when combined with a catalyst and promoter. This reaction transforms the liquid resin into a rigid, infusible solid. This thermosetting nature, coupled with the ability to incorporate various fillers and reinforcing agents, gives UPR its broad spectrum of properties.
Key Application Areas for UPR:
Sourcing UPR Effectively:
When you need to purchase Unsaturated Polyester Resin, several factors are important:
The inherent versatility and adaptable properties of UPR make it an indispensable material across a vast range of industries. By understanding its applications and working with a trusted UPR supplier, manufacturers can harness its full potential to create innovative and durable products.
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.