1/2 Inch Adhesive-Lined Heat Shrink Tubing – 4 Foot, Black

Waterproof Protection with Sealant Heat Shrink Tubing

Looking for easy, reliable protection for your wires and cables? This 1/2 inch heat shrink tubing is designed for everyday use and delivers a strong, long-lasting seal. With an inner adhesive layer that melts and flows when heated, this adhesive-lined heat shrink tubing creates a secure, waterproof barrier that keeps out moisture, dust, and more.

Dual Wall Construction for Extra Security

Featuring tough dual wall heat shrink tubing construction, this tubing combines a durable polyolefin outer layer for abrasion resistance with a special adhesive lining. When heated, the adhesive forms a tight seal around your cables and connectors, making this the ideal choice for outdoor wiring, automotive repairs, marine applications, and DIY electronics projects.

Fast Shrinking & Flexible Fit

This sealant-lined heat shrink tubing has an impressive 67% shrink ratio. It conveniently shrinks down from 1/2" (12.7mm) to fit most standard cable sizes, providing a snug, custom-like fit every time. The 4-foot length means fewer splices and less waste during installation.

• Size: 1/2 inch diameter (shrinks to approx. 0.165 inch), 4 feet long
• Color: Black
• Shrink Ratio: 67%
• Type: Dual wall, adhesive/sealant-lined
• Waterproof: Yes, weatherproof seal when fully shrunk
• Application: Cables, connectors, wire repairs, automotive, marine, & DIY uses
• Vetco Product ID: SEALANT1-2

Why Choose Vetco's Heat Shrink Tubing?

Our black adhesive-lined heat shrink tubing is a smart, hassle-free way to protect and organize your wiring—whether you’re fixing car wires, sealing boat connectors, or building electronics at home. It’s easy to use: just slip on, heat with a standard heat gun, and you’re done!

Enjoy peace of mind with secure, waterproof cable protection. Try this 1/2 inch dual wall heat shrink tubing today!