Product Structure
|
Layer |
Material |
Thickness |
Key Function |
|
Inner Anti-corrosion Layer (Optional) |
Polymer (e.g., PVC) |
- |
Full-wrap protection against internal condensation; ideal for high-humidity & chemical environments |
|
Metal Skeleton (Core Structural Layer) |
Cold-rolled steel / galvanized strip steel |
≥1.5mm (width ≤200mm) |
Provides mechanical strength and load-bearing capacity; ensures no deflection under heavy loads and long spans |
|
Bonding Layer |
Special adhesive medium |
≥0.2mm |
Bonds steel and plastic securely; prevents delamination over decades of use |
|
Main Anti-corrosion & Flame-retardant Layer |
PVC, modified polyethylene, polypropylene, or composite epoxy resin |
≥2.0mm |
Primary corrosion protection and flame retardancy (oxygen index ≥36%) |
|
Protective Layer (Outermost) |
Modified high-performance polymer |
- |
Resists aging, scratches, and UV radiation; prevents fading and chalking in outdoor applicationsUV radiation; prevents fading and chalking in outdoor applications |
Key Product Advantages
Why Choose Polymer composite cable tray with steel-plastic?
They combine the strength of steel cable trays with the durability of PVC cable trays.
- Strong Corrosion Resistance - The polymer outer layer effectively resists moisture, chemicals, and salt spray. Especially in corrosive environments such as chemical plants and coastal facilities, it prevents rusting or pitting.
- High Load Capacity - The Polymer composite cable tray adopts a steel-plastic inner steel frame, which has the mechanical strength to withstand large cable loads and can support large span installations (up to 12-15 meters) without sagging or deformation.
- Long Service Life - A service life of over 30 years. In corrosive environments, its service life is 3-5 times that of traditional cable trays. It requires almost no maintenance, significantly reducing the total life cycle cost.
- Reliable Flame Retardancy - The outer polymer layer has an oxygen index ≥36%, achieving a B1 or V-0 flame retardant rating, thus significantly improving fire safety.
Testing & Quality Verification
Our cable trays have been rigorously tested for mechanical strength, load-bearing, impact, temperature cycling, chemical resistance, UV aging, density, tensile/flexural strength, flame retardancy (oxygen index, smoke density, vertical burn), and electrical insulation. Complete test reports are available upon request.
FAQ
Q: What is the difference between steel-plastic composite cable trays and traditional steel cable trays?
A: The polymer composite cable tray with steel-plastic design overcomes the inherent shortcomings of metal. By preserving the rigidity of the metal skeleton while incorporating a high-performance polymer coating, it effectively resolves common issues plaguing metal trays, including corrosion susceptibility, inadequate insulation, heavy deadweight, and high lifecycle maintenance. Suitable for diverse applications across chemical, municipal, construction, and industrial sectors, it delivers stable performance that helps reduce overall engineering costs and enhance power supply safety.
Q: Where Can High Polymer Composite Cable Trays Be Used?
A: The polymer composite cable trays are suitable for industrial, commercial, infrastructure, and outdoor applications, including factories, commercial buildings, data centers, rail transit, ports, airports, and renewable energy facilities. Their corrosion resistance and durable construction also make them suitable for installations exposed to moisture, weather, salt spray, and corrosive environments.
Q: Can Polymer composite cable tray with steel-plastic be used in chemical plants?
A: Yes. Steel-plastic polymer composite cable trays are suitable for many chemical plant applications where high corrosion resistance and electrical insulation are required. Their high-performance polymer outer layer provides effective resistance to moisture, chemical vapors, and various corrosive media. As chemical environments vary, material selection should consider factors such as the type and concentration of chemicals and the operating temperature. Contact our specialists for professional product selection and engineering solutions tailored to your application.
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