This 1/4″ ID 3:1 dual wall adhesive-lined heat shrink tubing is built for high-performance sealing of 1810 AWG wire connections in automotive, marine, and trailer wiring systems. The outer flame-retardant polyolefin layer and inner thermoplastic adhesive form a watertight, corrosion-resistant seal when heatedideal for repairs in harsh environments.

Specifications & Features

• Wire Compatibility: 1810 AWG
• Shrink Ratio: 3:1
• Pre-shrink Inner Diameter: 1/4″
• Recovered Inner Diameter: 0.080″
• Wall Type: Dual wall with internal adhesive lining
• Length: 12″ per segment
• Available Colors: Black, Red, Clear
• Flexible and flame-retardant outer layer for professional-grade insulation
• Adhesive lining activates with heat to form a waterproof, vibration-resistant bond
• Perfect for splices, terminals, and harness repairs in automotive, marine, and trailer systems