This 1.10″ ID 3:1 heavy wall heat shrink tubing delivers robust insulation, abrasion resistance, and sealing for high-demand electrical applications. Its thick dual-wall design with thermoplastic adhesive lining ensures a secure, waterproof barrierideal for harsh environments including direct burial and underwater use.

Specifications & Features

• Shrink Ratio: 3:1
• Pre-shrink Inner Diameter: 1.10″
• Wire Compatibility: 2 AWG to 4/0 AWG
• Length: 6 inches
• Wall Type: Heavy dual wall with adhesive lining
• Available Colors: Black, Red
• Meets UL 486D for electrical connection standards
• Adhesive lining creates a moisture- and contaminant-resistant seal
• Excellent abrasion resistance and strain relief for battery terminals and cable splices
• Ideal for use in direct burial, marine, and corrosive environments