Copper Foil Busbar Heat Shrink Tube Insulation
Products Description
The Copper Foil Busbar Heat Shrink Tube Insulation is not a single-material product but a composite engineered structural system, primarily composed of the following elements:
1. Copper Foil Conductor Layer
Utilizes a laminated multi-layer copper foil or flexible copper busbar structure to provide high electrical conductivity and a low-impedance current transmission path; suitable for high-current, high-frequency, or space-constrained electrical systems.
2. Heat-Shrink Insulation Layer
The outer layer employs cross-linked polyolefin (XLPO), modified polyolefin, or high-performance flame-retardant heat-shrinkable material; it shrinks tightly around the conductor upon heating, providing electrical isolation and environmental protection.
3. Sealing & Transition Zone
A sealed structure is formed at the ends and connection areas through a specialized heat-shrinking process, enhancing resistance to moisture, dust, and corrosion.
Application Advantages: Broad Compatibility with New Energy and Industrial Power Systems
New Energy Vehicles
Internal flexible connections for battery packs and transition connections between motor controllers and high-voltage wiring harnesses.
Photovoltaic and Energy Storage Systems
DC-side connections for inverters and Heat Shrinkable Busbar Insulating Tape connections between battery clusters, accommodating temperature fluctuations and installation tolerances.
UPS and Server Power Supplies
Flexible power distribution connections within cabinets reduce stress associated with rigid connections.
Industrial Equipment
Vibration-absorbing connections for variable frequency drives (VFDs), high-power power supply modules, and robotic electrical systems.
Manufacturing Advantages: Precision Quality Control Across the Entire Process
Fully Automated Ultrasonic Welding Line
We utilize high-precision ultrasonic metal welding machines to fuse layers of copper foil. This solid-state bonding method preserves the material's microstructure, ensures extremely low contact resistance, and eliminates welding slag, thereby maintaining the conductor's purity.
Clean-Room Heat-Shrinking Workshop
The heat-shrinking process demands a highly clean environment. We operate a Class 1,000 clean room to prevent dust or particulates from becoming trapped between the tubing wall and the copper foil during shrinking, effectively eliminating the risk of insulation breakdown caused by impurities.
Intelligent Temperature-Controlled Shrinking Equipment
Using infrared heating tunnel ovens or precision hot-air guns, we digitally control heating temperatures and conveyor speeds. This ensures uniform shrinkage, preventing material degradation from overheating while avoiding looseness caused by insufficient shrinkage.
Fully Automated Laser Cutting and Marking
Laser technology is employed for Customized Heat Shrink Tubes Copper Busbar cutting and QR code marking, resulting in clean, burr-free edges and clear, permanent markings that facilitate full-lifecycle quality traceability.
Detail Showcase: Visible Engineering Quality
Burr-free copper foil layers
Edges remain smooth and free of burrs or oxidation defects after lamination, effectively reducing the risk of corona discharge.
01
Uniform heat-shrink tubing fit
The tubing conforms tightly to the copper busbar surface after shrinking, with no air bubbles, wrinkles, or areas of separation.
02
Complete coverage at bends
The heat-shrink tubing shrinks evenly around the inner and outer corners of the busbar bends, showing no tearing or thinning.
03
Neat end sealing
The tubing ends are sealed cleanly; the insulation fully covers the Copper Busbar with heat-shrink tube insulation edges and ends, leaving no exposed conductors.
04
Clear flame-retardant marking
Complies with the UL94 V-0 flame-retardant rating; Heat Shrink Tube Copper Busbar Connection markings are clear and traceable.
05
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As a next-generation insulation and encapsulation solution for Flat Copper Battery Busbar with Heat Shrink Tube, this product achieves an optimal balance of safety, reliability, and space efficiency through integrated structural design and an engineering-grade material system, making it particularly well-suited for high-density electrical systems in the new energy sector.
If your project involves optimizing electrical connection structures or selecting busbar insulation solutions, we can provide tailored structural designs and reliability validation support based on your engineering drawings, helping your system achieve superior levels of safety and stability.
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