1 1/2 Heat Shrink Tubing 3:1

Protect large wire connections with this 1 1/2 Heat Shrink Tubing, designed with a 3:1 shrink ratio and adhesive-lined dual-wall construction for superior insulation and sealing. Ideal for marine, automotive, electrical, and DIY applications, this premium tubing creates a durable, moisture-resistant barrier that helps protect cables from harsh environments.

3:1 Shrink Ratio

The tubing shrinks to one-third of its original diameter, providing a secure fit around large wire bundles, cable splices, terminals, and electrical connections.

Dual Wall Adhesive Lining

Heat-activated internal adhesive melts during installation to form a strong, waterproof seal that helps protect against moisture, saltwater, dirt, and corrosion.

Heavy-Duty Electrical Protection

Suitable for protecting:

• Marine wiring
• Automotive wiring harnesses
• Battery cables
• Electrical terminals
• Solder joints
• Industrial wiring
• DIY cable repairs
• Cable identification and organization

Safe & Reliable

UL recognized and RoHS compliant, this heat shrink tubing offers dependable insulation for applications up to 600V while resisting high temperatures and demanding environments.

Quick Installation

Simply apply heat with a compatible heat gun until the tubing shrinks evenly and the adhesive fully seals the connection for a clean, professional finish.

Product Features

• 1 1/2 Heat Shrink Tubing
• 3:1 shrink ratio
• Dual-wall adhesive-lined construction
• Waterproof and moisture-resistant seal
• Excellent electrical insulation
• Corrosion-resistant protection
• Suitable for marine and automotive wiring
• UL recognized and RoHS compliant
• 4-foot length
• Black finish
• Ideal for professional and DIY electrical projects

Choose this 1 1/2 Heat Shrink Tubing for dependable cable protection, long-lasting insulation, and professional-quality sealing for demanding electrical applications.