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China PUR Polyurethane Cam-Lock Sandwich Panel Suppliers - Durable Cold Storage Solutions from Factory
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.
Product Details
| TECHINICAL 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.
Surface Profile
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
PPGI, or Preprinted Galvanized Iron, is a versatile metal material widely used in construction and manufacturing. It 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 is also very environmentally friendly as its production process produces less waste. PPGI has a long service life and minimal maintenance requirements, making it ideal for roofing, wall cladding and other applications.
Typical Color (PPGI)
More Colors
PPGI has a variety of color finishes, we provide customized color service, please contact us for whatever color you need.
Other Surface Material
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.).
Such as Stainless Steel ( SUS304 / SUS201), Aluminum, or other alloy ( Zinc, Magnesium, Titanium, etc.).
Ti-Mg-Zn-Al Alloy
Embossed Aluminum
Stainless Steel (SUS304)
Extra Coating
The surface material can also be enhanced with various advanced coatings to improve its performance and durability.
Typical coating includes:
- PVDF Polyvinylidene Fluoride: Known for its exceptional resistance to UV radiation, chemicals, and weathering, PVDF provides a glossy finish that retains color vibrancy over time. This makes it ideal for outdoor applications, particularly in architectural projects.
- HDP High-Durability Polyester: HDP coatings offer superior durability and scratch resistance, making them suitable for high-traffic areas and industrial environments. They protect against corrosion and environmental factors, extending the lifespan of the material.
- EP Epoxy Polyester: This coating combines the benefits of epoxy and polyester, providing excellent adhesion and resistance to chemicals and moisture. EP coatings are ideal for indoor applications and environments where chemical exposure is a concern.
These advanced coatings significantly enhance the functionality and longevity of surface, making it a preferred choice for various applications in construction and manufacturing.
More About PIR/PUR Cam Lock Sandwich Panel
The effectiveness of polyurethane cam lock sandwich panels in cold storage applications lies in their unique structure and the properties of polyurethane foam. The core material, polyurethane, is a thermoset polymer that expands during the manufacturing process to form a dense, closed-cell structure. This structure traps air, which is a poor conductor of heat, providing excellent insulation.
When installed in a cold storage facility, these panels create a barrier that minimizes heat transfer from the external environment to the interior space. This is critical to maintaining low temperatures, as even small fluctuations can cause temperature-sensitive products to spoil. The outer metal layer not only provides structural support but also protects the foam core from physical damage and environmental exposure.
Key features of PUR/PU Cam Lock Sandwich panels include:
- 🌡️ High Thermal Insulation Value: Polyurethane foam is one of the materials with the highest thermal resistance value among thermal insulation materials, with a thermal conductivity coefficient (λ) of approximately 0.023–0.025 W/m·K. This minimizes heat transfer and ensures the refrigerated environment effectively maintains the required temperature.
- 🔒 Cam Lock Design: The cam lock mechanism enables fast and secure panel connection, ensuring a tight seal, minimizing air leakage and enhancing insulation performance.
- ⚡ Lightweight: Although polyurethane panels have strong insulating properties, they are lightweight and easy to handle and install. This feature reduces the overall structural load on the building, which is particularly beneficial when retrofitting existing structures.
- 💧 Moisture-proof: The closed-cell structure of polyurethane foam makes it resistant to moisture absorption and prevents mold growth, which is crucial in refrigerated environments with high humidity.
Frequently Asked Questions
Q What is a polyurethane cam lock sandwich panel?
A polyurethane cam lock sandwich panel is a composite building panel consisting of a polyurethane foam core sandwiched between two metal outer layers (typically galvanized steel or aluminum). The cam lock joint system allows panels to connect quickly and securely, creating an airtight and thermally efficient enclosure.
Q What thickness options are available for PUR cam lock sandwich panels?
PUR cam lock sandwich panels are available in standard thicknesses of 100mm, 120mm, 150mm, and 200mm. The effective width options include 920mm, 960mm, and 1000mm, with a maximum panel length of 10 meters. Custom dimensions can also be arranged based on project requirements.
Q What surface materials are available for PUR cam lock sandwich panels?
Multiple surface materials are available, including PPGI (Preprinted Galvanized Iron), Stainless Steel (SUS304/SUS201), Embossed Aluminum, and various alloys such as Titanium, Magnesium, and Zinc alloys. Surface thickness can be customized between 0.3mm and 0.8mm. Additional performance coatings such as PVDF, HDP, and EP are also available.
Q Are PUR cam lock sandwich panels suitable for cold storage applications?
Yes, PUR cam lock sandwich panels are highly suitable for cold storage facilities. The polyurethane foam core has a thermal conductivity coefficient (λ) of approximately 0.023–0.025 W/m·K, providing excellent insulation. The cam lock joint system ensures a tight, airtight seal that minimizes heat transfer, helping to maintain stable low temperatures essential for cold storage environments.
Q How does the cam lock joint system work and what are its advantages?
The cam lock mechanism is an integrated locking system built into the edges of each panel. During installation, panels are connected by engaging the cam lock, which provides a fast, secure, and tight connection without the need for additional fasteners. This design minimizes air leakage, enhances thermal insulation performance, speeds up construction time, and reduces overall installation costs.
Q What are the typical applications of PUR cam lock sandwich panels?
PUR cam lock sandwich panels are widely used in industrial, commercial, and agricultural buildings. Common applications include cold storage facilities, warehouses, manufacturing plants, food processing facilities, and commercial refrigeration rooms. Their lightweight nature, moisture resistance, and superior insulation make them an ideal choice for any project requiring controlled temperature environments.