UNION-StruCell®
In Stock & Custom Orders
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Superior Thermal Insulation: Extremely low thermal conductivity (K-value) minimizes heat transfer, maintaining consistent internal temperatures and reducing fuel consumption for refrigeration units.
Closed-Cell Structure: <1.5% water absorption (ASTM D2842) prevents moisture ingress, which can degrade insulation performance and lead to core rotting, ensuring long-term R-value stability.
High Strength-to-Weight Ratio: Our rigid PVC foam core provides exceptional compressive and shear strength, allowing for lighter yet stronger PVC sandwich panel constructions compared to traditional materials, increasing payload capacity.
CNC Machining Compatibility: Precision cutting with ±0.2mm tolerance allows for creating complex panel shapes, clean edges, and precise cutouts for doors and hardware.
Durability & Longevity: Resistant to chemicals, oils, and impacts. Performs reliably across a wide temperature range from -50°C to +80°C, perfectly suited for freezing and chilled applications.
We supply custom-sized panels and CNC-machined cores tailored for refrigerated vehicle manufacturing.
Optimized Panel Sizes: We provide panels in dimensions that minimize waste and maximize efficiency during the assembly of truck bodies and trailer walls.
Excellent Bonding Surface: The microcellular structure offers a perfect surface for bonding with FRP, aluminum, or steel skins, creating a robust and durable PVC sandwich panel.
Custom Solutions: Submit your design requirements for custom thicknesses, grooves, or specific panel sizes to fit your manufacturing process.
Density Grades: P45 (standard insulation) to P130 (high-strength for demanding applications).
Surface Treatments: Grooved or perforated surfaces for enhanced resin adhesion in composite panels.
Dimensions: Thicknesses from 3mm to 100mm+; panel sizes tailored to your production line needs.
Refrigerated Truck & Van Bodies: Walls, roof, and floor panels.
Cold Storage Trailers: Insulated cores for semi-trailers.
Mobile Cold Rooms: Panels for portable storage units.
Food Processing Plants: Insulated wall and door sections.
No MOQ: Prototype and small batch orders are welcome.
Free A4 Samples: Test the thermal and structural properties of our PVC foam core.
Fast Lead Time: 5–7 days for samples; 15–20 days for full container loads (FCL).
Global Shipping: FCL/LCL options with secure, customized packaging to prevent damage.

| Product | Description | |
| P45, density 45kg/m³ | Thickness: 2-80mm Plain size: 2450mm*1130mm Processed size: 1220mm*1130mm |
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| P60, density 60kg/m³ | Thickness: 2-80mm Plain size: 2450mm*1130mm Processed size: 1220mm*1130mm |
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| P80,density 80kg/m³ | Thickness:3-70mm Plain size:2180mm*1020mm Processed size:1080mm*1020mm |
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| P100, density 100kg/m³ | Thickness: 5-45mm Plain size:2050mm*950mm Processed size:1020mm*950mm |
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| P130, density 130kg/m³ | Thickness: 5-55mm Plain size:1900mm*850mm Processed size:950mm*850mm |
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| P200, density 200kg/m³ | Thickness: 5-50mm Plain size:1600mm*750mm Processed size: 800mm*750mm |
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ISO 9001
ISO 14001
RS Certification
TAK00001DV
RoHS
Flame Retardant Report
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Q1: Why is a PVC foam core better than traditional PU foam for refrigerated truck bodies?
A: While PU foam has good insulation, PVC foam core offers superior structural properties. It has higher shear and compressive strength, creating a more robust PVC sandwich panel that can better withstand road vibrations and loading stresses. Its closed-cell structure is also more resistant to moisture absorption over time, preventing a loss of insulating efficiency.
Q2: What density of PVC foam is best for refrigerated truck panels?
A: For most standard refrigerated truck and van bodies, P45 density offers an excellent balance of insulation and strength. For larger trailers or vehicles subjected to heavier loads, P60 or P80 is recommended to ensure the panel rigidity and longevity. Our engineers can help you select the optimal density.
Q3: Can you supply the complete PVC sandwich panel?
A: We specialize as a core material manufacturer and supplier. We provide the high-performance PVC foam core. Our customers typically bond our core with their chosen skin materials (like FRP or aluminum) to create the final PVC sandwich panel. This allows you to control the final specification and quality of the complete assembly.
Q4: How does the thermal performance of your PVC foam core compare?
A: Our UNION-StruCell® closed cell PVC foam has an excellent low K-factor (thermal conductivity), making it a highly efficient insulating material. This directly translates to lower energy demands on the refrigeration unit, reducing operating costs and improving temperature stability.
Q5: Do you offer custom CNC machining for panel cutouts?
A: Absolutely. Our large-bed CNC machines can precisely cut panels to your required dimensions and create clean cutouts for doors, vents, and other fittings, ensuring a perfect fit for your truck body manufacturing process.
Q6: Can we get a sample to test before a full order?
A: Yes. We encourage you to test our material. We provide free A4-sized samples so you can evaluate the foam's density, rigidity, and compatibility with your adhesive systems.
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