Core Value of Foam Stabilizers in Rigid Polyurethane Foam

 

Overview of Rigid Polyurethane Foam

Rigid polyurethane foam is a high-performance thermal insulation material, produced by the reaction of isocyanate and polyether polyol, with the synergistic action of foam stabilizers, catalysts, foaming agents and other additives. This process forms a stable foam structure with outstanding thermal insulation performance.

Core Functions of Foam Stabilizers

As a key auxiliary in rigid polyurethane foam production, foam stabilizers serve three critical roles during foaming that directly determine product quality:

1. Emulsifying raw materialsto ensure uniform mixing, creating a stable foundation for the foaming reaction and maintaining system consistency.
2. Stabilizing foam structure to avoid collapse, breakage and other defects, which is essential for reliable forming and structural integrity.
3. Regulating cell structureby controlling cell size, distribution and density, which directly defines the key physical properties and thermal insulation performance of rigid polyurethane foam.  

Silicone Oil: A Minor yet Decisive Additive in the Polyurethane Industry

In the polyurethane industry, foam stabilizers are commonly known as silicone oil. Although it accounts for only a small proportion in the formulation, silicone oil plays a decisive role in the formation and performance of rigid polyurethane foam. Without silicone oil, it is difficult to produce dense, stable foam, making it impossible to manufacture qualified thermal insulation materials that meet industrial standards.

Topwin has over a decade of expertise in the R&D of polyether-modified silicone oil. With strong technical accumulation and continuous innovation, we have developed a full range of foam stabilizers for various rigid polyurethane foam applications.

In recent years, focusing on market demands and technical challenges in the home appliance sector, Topwin has created a series of specialized products highly recognized by the market and customers.

Supported by professional R&D capabilities and strict quality control, Topwin has built a strong reputation in the silicone oil industry, providing reliable, high-performance auxiliary solutions for enterprises across multiple fields.

Featured Silicone Oil Products for Diversified Application Fields

Home Appliances

XH-1625 : This product achieves industry-leading thermal conductivity and its average strength is approximately 7% higher than the industry benchmark. With outstanding overall performance, it has become the premium choice for high-end home appliance manufacturing.

XH-1613: This product delivers excellent surface cell control that meets top industry standards. Featuring high cost-effectiveness, it is an ideal economical solution for mainstream home appliance production, fully supporting large-scale manufacturing.

 

Panels

Topwin has launched a series of specialized silicone oil products for Panels, including XH-15501 and XH-15530. Continuously optimized for performance, these products effectively eliminate surface defects of polyurethane panels. With steadily upgraded performance, they better adapt to evolving industry demands and provide stable, reliable support for panel manufacturers.

 

Commercial Freezer and Spraying & Pipes

XH-1640 is Topwin’s star product for Commercial Freezer, spraying and pipe applications. With exceptional overall performance and excellent cost-effectiveness, it stands out in the competitive market. It has earned wide recognition and long-term trust from industrial customers, making it the preferred solution in related fields.

 

For more information about our products and services, please contact our sales team by email or phone. We look forward to establishing a long-term cooperative partnership with you!