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Home > Hot Products > China PU/PUR Polyurethane Cam-Lock Sandwich Panels - Reliable Suppliers from a Leading Factory
China PU/PUR Polyurethane Cam-Lock Sandwich Panels - Reliable Suppliers from a Leading Factory
China PU/PUR Polyurethane Cam-Lock Sandwich Panels - Reliable Suppliers from a Leading Factory
China PU/PUR Polyurethane Cam-Lock Sandwich Panels - Reliable Suppliers from a Leading Factory
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China PU/PUR Polyurethane Cam-Lock Sandwich Panels - Reliable Suppliers from a Leading Factory
China PU/PUR Polyurethane Cam-Lock Sandwich Panels - Reliable Suppliers from a Leading Factory
China PU/PUR Polyurethane Cam-Lock Sandwich Panels - Reliable Suppliers from a Leading Factory

China PU/PUR Polyurethane Cam-Lock Sandwich Panels - Reliable Suppliers from a Leading Factory

In the refrigeration industry, it is crucial to maintain optimal temperatures and effective insulation for the preservation of perishable goods. A top choice for constructing cold storage facilities in China is PUR/PU - polyurethane cam lock sandwich panels. These high-performance panels offer exceptional thermal insulation, robust structural integrity, and straightforward installation, making them highly suitable for various cold storage applications. As reliable suppliers from a leading factory, we highlight that polyurethane cam lock sandwich panels are renowned for their superior heat resistance, lightweight design, moisture resistance, and long-lasting durability. Trust in our products to meet all your cold storage insulation needs
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Product Description

Products Description
Polyurethane cam lock sandwich panels consist of a core made of polyurethane foam, sandwiched between two outer layers, which are typically made from sheet metal such as galvanized steel or aluminum. Panels are available in a variety of thicknesses, typically 100mm to 200mm, depending on specific insulation requirements.
Technical Parameters
TECHNICAL PARAMETERS OF POLYURETHANE CORE SANDWICH PANEL
THICKNESS Effective Width Length Density Fire Resistance Weight Heat Transfer Coefficient Ud,s Surface Thickness Surface Material
mm mm m Kg/m³ / Kg/㎡ W/[m x K] mm /
100 920
960
1000		 10m Max 40±2
Customizable		 B2 Grade 11.8 ≤0.024 0.3–0.8
Customized		 Customized
120 12.7
150 13.9
200 16.1
The Joint

The cam-lock design with split joint of the cam-lock sandwich panels are widely used in industrial, commercial, and agricultural buildings, including warehouses, cold storage facilities and manufacturing plants.

Their ease of installation and low maintenance requirements make them a cost-effective option for modern construction projects, helping to increase sustainability and efficiency.

Cam-Lock System
Cam-Lock Joint Detail
Surface Profile
Surface Profile Options
● Miro ● Smooth ● Linear ● Embossed
Surface Material
Our PUR Cam Lock Sandwich Panel have multiple customizable surface steel material and color choices such as PPGI, Stainless steel, embossed aluminum etc. Their durability, moisture resistance and chemical resistance further enhance their appeal.
PPGI (Preprinted Galvanized Iron)
PPGI features a galvanized steel base that is coated with a layer of paint for excellent corrosion resistance and durability. Key features include its lightweight nature and its availability in a variety of colors and finishes for aesthetic customization. PPGI has a long service life and minimal maintenance requirements, making it ideal for roofing, wall cladding and other applications.
Typical Color (PPGI)
Typical Color Chart
More Colors Available
Custom Color Options
Other Surface Materials
To obtain better or specific function, other surface materials can also be customized, such as Stainless Steel (SUS304 / SUS201), Aluminum, or other alloy (Zinc, Magnesium, Titanium, etc.).
Ti-Mg-Zn-Al Alloy
Ti-Mg-Zn-Al Alloy
Embossed Aluminum
Embossed Aluminum
Stainless Steel SUS304
Stainless Steel (SUS304)
Extra Coating
The surface material can also be enhanced with various advanced coatings to improve its performance and durability. Typical coatings include:
PVDF
Polyvinylidene Fluoride: Exceptional resistance to UV radiation, chemicals, and weathering. Ideal for outdoor architectural projects.
HDP
High-Durability Polyester: Offers superior durability and scratch resistance, suitable for high-traffic and industrial environments.
EP
Epoxy Polyester: Excellent adhesion and resistance to chemicals and moisture. Ideal for indoor applications.
Coating Performance
More About PIR/PUR Cam Lock Sandwich Panel
The effectiveness of polyurethane cam lock sandwich panels in cold storage lies in their dense, closed-cell structure. This structure traps air, providing excellent insulation and creating a barrier that minimizes heat transfer from the external environment.
🌡️
High Thermal Insulation
Thermal conductivity (λ) of approx 0.023–0.025 W/m·K. Minimizes heat transfer efficiently.
🔒
Cam Lock Design
Enables fast and secure connection, ensuring an airtight seal and enhancing insulation performance.
⚖️
Lightweight
Easy to handle and install, reducing the overall structural load on the building.
💧
Moisture-Proof
Closed-cell structure prevents moisture absorption and mold growth in high humidity.
Frequently Asked Questions
Q What thicknesses are available for these panels?
They are available in thicknesses of 100mm, 120mm, 150mm, and 200mm. Custom thicknesses can be arranged based on specific requirements.
Q What surface materials can be used?
Surface materials include PPGI, Stainless Steel (SUS304/SUS201), Embossed Aluminum, and alloys like Ti-Mg-Zn-Al. Advanced coatings like PVDF and HDP are also available.
Q What are the advantages of the cam lock mechanism?
It allows for quick, secure connection without additional fasteners, ensuring an airtight seal that minimizes thermal bridging and air leakage.
Q Are these panels suitable for cold storage?
Yes, the closed-cell polyurethane foam core provides excellent thermal insulation (≤0.024 W/[m·K]), ideal for maintaining stable low temperatures.
Q Can the color and finish be customized?
Absolutely. We offer a wide variety of standard colors for PPGI and full customized color services, along with Miro, Smooth, Linear, and Embossed profiles.
Q What are the typical applications?
Commonly used in cold storage facilities, warehouses, manufacturing plants, food processing facilities, and other commercial industrial buildings.

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