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









