







0.40" Heat Shrink Tubing - 3:1 Ratio - Heavy Wall Adhesive-Lined - 6" Length
This 0.40" ID 3:1 heavy wall adhesive-lined heat shrink tubing is engineered for sealing and insulating electrical connections in extreme environments. It fits 12–6 AWG wires and features a rugged dual-wall construction with a thermoplastic adhesive lining that provides exceptional strain relief, abrasion resistance, and moisture protection. Ideal for battery splices, terminals, and buried or submerged cable repairs.
Specifications & Features
- Shrink Ratio: 3:1
- Pre-shrink Inner Diameter: 0.40"
- Length: 6 inches
- Wire Compatibility: 12–6 AWG
- Wall Type: Heavy wall with adhesive lining
- Thermoplastic adhesive lining seals out moisture, oil, and contaminants
- Ideal for direct burial, underwater, and automotive battery connections
- Meets UL486D for electrical connections
- Available Colors: Black, Red
Original: $5.49
-65%$5.49
$1.92Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
This 0.40" ID 3:1 heavy wall adhesive-lined heat shrink tubing is engineered for sealing and insulating electrical connections in extreme environments. It fits 12–6 AWG wires and features a rugged dual-wall construction with a thermoplastic adhesive lining that provides exceptional strain relief, abrasion resistance, and moisture protection. Ideal for battery splices, terminals, and buried or submerged cable repairs.
Specifications & Features
- Shrink Ratio: 3:1
- Pre-shrink Inner Diameter: 0.40"
- Length: 6 inches
- Wire Compatibility: 12–6 AWG
- Wall Type: Heavy wall with adhesive lining
- Thermoplastic adhesive lining seals out moisture, oil, and contaminants
- Ideal for direct burial, underwater, and automotive battery connections
- Meets UL486D for electrical connections
- Available Colors: Black, Red

















