Enhancing Sandwich Panel Performance with Advanced Polyurethane Catalysts

Sandwich panels are widely used in modern construction for their excellent thermal insulation, structural integrity, and fire resistance. These panels, often composed of polyurethane (PU) or polyisocyanurate (PIR) foam cores between metal or composite facings, require precise chemical control during manufacturing to ensure performance and durability.
At MINGXU NEW MATERIALS, we specialize in high-performance polyurethane catalysts that enhance both the production process and end-product quality of sandwich panels. Whether you manufacture continuous or discontinuous panels, our catalyst solutions are tailored to meet your needs.

Why Catalysts Matter in Sandwich Panel Production

In the sandwich panel production line, polyurethane catalysts play a critical role in controlling the reaction between polyols and isocyanates. This reaction produces the rigid foam core that provides thermal insulation and mechanical strength.
Key performance benefits of using the right catalysts include:
Optimized Reaction Balance: A proper mix of foaming and gelling catalysts ensures uniform cell structure and adhesion to panel skins.
Improved Flowability: Critical for continuous lines and large-area panels.
Faster Curing: Increases production speed and reduces cycle time.
Enhanced Dimensional Stability: Especially important in temperature-sensitive construction environments.
Better Fire Performance: Especially with trimerization catalysts used in PIR systems.

POLYCAT 41

Our Recommended Catalysts for Sandwich Panels

We offer a wide range of amine and metal catalysts suited for rigid polyurethane and polyisocyanurate foam used in sandwich panel production.

MXC-TMA – Trimerization Catalyst

Promotes polyisocyanurate ring formation
Delivers better flame resistance and dimensional stability
Smooth, controllable reaction profile
Ideal for PIR sandwich panels, both continuous and batch processes

MXC-15 – Potassium Octanoate Solution

High-activity catalyst for PIR foams
Suitable for high-viscosity polyol systems
Provides excellent flow and thermal stability

POLYCAT 15

✅ MXC-A1 / MXC-A33 – Amine Foaming Catalysts

Enhances the blowing (foaming) reaction
Ensures fine, closed-cell structure for insulation efficiency
Suitable for both PU and PIR panels

✅ MXC-T9 / MXC-T12 – Metal Gel Catalysts

Accelerate the gelling (crosslinking) reaction
Improve mechanical strength and early curing
Reduce tack-free time
Our catalysts are compatible with low-emission, low-odor, and HFO-blown systems, making them ideal for manufacturers seeking environmental compliance and worker safety.

Application Areas for PU/PIR Sandwich Panels

Sandwich panels produced with our catalysts are widely used in:
Cold storage rooms and refrigerated transport
Industrial and commercial buildings
Cleanrooms and pharmaceutical facilities
Modular homes and prefab buildings

Why Choose MINGXU NEW MATERIALS?

Decades of Expertise in polyurethane catalyst formulation
Customized Solutions for your specific sandwich panel system
Stable Supply and Global Delivery
Dedicated Technical Support from formulation to production
Our goal is to help manufacturers like you reduce costs, improve quality, and stay ahead in a competitive market. Whether you’re launching a new panel line or optimizing an existing one, we are ready to support your success.
Contact Us Today
If you are a sandwich panel manufacturer looking for reliable, high-performance polyurethane catalysts, we invite you to explore our product range or request a free technical consultation.


Post time: May-22-2025

+8613933105578