This 1/8″ ID 3:1 dual wall adhesive-lined heat shrink tubing is engineered for secure, moisture-resistant sealing in automotive, marine, and industrial wiring applications. Each pack includes eight 12″ black and eight 12″ red tubes, providing versatile color-coding options. The inner adhesive lining melts and flows when heated, creating a durable, watertight bond that resists corrosion and environmental contaminants.

Specifications & Features

• Shrink Ratio: 3:1
• Pre-shrink Inner Diameter: 1/8″
• Recovered Inner Diameter: 0.042″
• Wall Type: Dual wall with internal adhesive lining
• Adhesive Type: Modified polyimide thermoplastic glue
• Includes: (8) Black 12″ lengths and (8) Red 12″ lengths
• Provides waterproof sealing and corrosion protection for splices and terminals
• Flexible and flame-retardant for irregular shapes and confined installations
• Ideal for automotive harnesses, marine cables, and outdoor electronic connections