Heat-Shrinkable Cable Accessories

Heat-Shrinkable Cable Accessories

Heat-Shrinkable Cable Accessories represent a critical technological solution in electrical engineering, providing comprehensive insulation, sealing, and mechanical protection for cable splices, terminations, and repair points across power distribution systems. These sophisticated components are manufactured from radiation-cross-linked polyolefin compounds or specialty elastomeric materials that possess unique molecular memory characteristics. When subjected to controlled heat application using propane torches, hot air guns, or specialized heating equipment, these materials undergo precise radial contraction, typically at temperatures between 120°C to 140°C, conforming perfectly to the underlying cable geometry and creating a seamless, multi-layered protective system. This shrinking process enables the accessories to encapsulate irregular shapes and complex configurations while establishing robust barriers against environmental contaminants including moisture, chemicals, fuels, and abrasive forces. Simultaneously, they provide essential electrical insulation and stress control functions, effectively restoring and often enhancing the original cable performance characteristics in medium and low-voltage applications ranging from 1kV to 35kV systems.

Modern heat-shrinkable accessories incorporate sophisticated design features that significantly extend their functional capabilities beyond basic insulation. Many products integrate thermoplastic adhesive liners that activate during the heating process, flowing into cable irregularities and interstices to create complete environmental seals that block moisture migration and prevent corrosion. Advanced electrical stress control components, including semi-conductive layers and field-grading materials, are strategically incorporated to manage electrical field distribution at cable terminations and splices, preventing premature insulation failure due to corona discharge or localized heating. The product range encompasses diverse configurations including single-wall and dual-wall tubes, separable breakout assemblies, cable end caps, and complete kits for various splicing and termination applications. These accessories demonstrate exceptional performance stability across an extensive operational temperature spectrum from -55°C to +125°C, with additional characteristics including UV resistance for outdoor exposure, flame-retardant properties for enhanced safety, and excellent dielectric strength for reliable electrical performance. Their proven reliability across utility infrastructure, industrial facilities, telecommunications networks, and renewable energy installations makes them the preferred choice for engineers seeking durable, code-compliant solutions for challenging installation environments including direct burial, submerged locations, and chemically aggressive settings.

Product Display

• 0.6/1kV Heat Shrinkable Cable Accessories Products

• This product is made of rubber-plastic composite material;

• When installing, it can be sprayed by flame or heat gun and it can be shrunk by utilizing the elastic memory property of polymer;

• Low-voltage thermoplastic accessories are tested with reference to cable standard GBT12706.1; 

• The products are divided into 1 core to 5 cores, applicable cross section 25-500mm².

• 3.6/6-8.7/15kV Heat Shrinkable Cable Accessories Products

• This product is made of rubber-plastic composite material;

• When installing, you can use flame or heat gun to spray baking, that is, you can utilize the elastic memory performance of polymer contraction;

• Industrial frequency withstand voltage test refer to GB/712706.4 39kV, 5min;

• The product consists of insulating pipe, semi-conducting pipe, stress pipe, sheath pipe, branch sleeve, sheds and so on.

• 12/20-26/35kV Heat Shrinkable Cable Accessories Products