This 0.80″ ID 3:1 heavy wall adhesive-lined heat shrink tubing is built for extreme-duty applications requiring high insulation, strain relief, and abrasion resistance. Designed for 81/0 AWG wires, it includes an inner thermoplastic adhesive that forms a watertight, contaminant-resistant seal once shrunk. Commonly used for battery splices, buried cable repairs, and marine or underwater connections.

Specifications & Features

• Shrink Ratio: 3:1
• Pre-shrink Inner Diameter: 0.80″
• Length: 6 inches
• Wire Compatibility: 81/0 AWG
• Wall Type: Heavy wall with adhesive lining
• Adhesive-lined interior seals out moisture, oil, and debris
• Ideal for battery terminals, splices, and harsh environments
• Suitable for direct burial and submersion
• Meets UL486D for electrical connections
• Available Colors: Black, Red