---
product_id: 333344908
title: "Wirefy | Heat Shrink Tubing - 3/4\" inch - 3:1 Ratio - Adhesive Dual Wall Waterproof - Heat Shrink Tube - Heatshrink Tubes - Black - 50 Feet Roll | Trusted UL Certification"
brand: "wirefy"
price: "467.37 DT"
currency: TND
in_stock: true
reviews_count: 13
category: "Wirefy"
url: https://www.desertcart.tn/products/333344908-wirefy-heat-shrink-tubing-3-4-inch-3-1-ratio
store_origin: TN
region: Tunisia
---

# Adhesive dual-wall waterproof seal 3:1 shrink ratio for precision fit 50ft flexible roll for custom cuts Wirefy | Heat Shrink Tubing - 3/4" inch - 3:1 Ratio - Adhesive Dual Wall Waterproof - Heat Shrink Tube - Heatshrink Tubes - Black - 50 Feet Roll | Trusted UL Certification

**Brand:** wirefy
**Price:** 467.37 DT
**Availability:** ✅ In Stock

## Summary

> 🔥 Shrink it, seal it, own it — the ultimate wire armor for pros! 🛡️

## Quick Answers

- **What is this?** Wirefy | Heat Shrink Tubing - 3/4" inch - 3:1 Ratio - Adhesive Dual Wall Waterproof - Heat Shrink Tube - Heatshrink Tubes - Black - 50 Feet Roll | Trusted UL Certification by wirefy
- **How much does it cost?** 467.37 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/333344908-wirefy-heat-shrink-tubing-3-4-inch-3-1-ratio)

## Best For

- wirefy enthusiasts

## Why This Product

- Trusted wirefy brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Durability Meets Safety:** UL-listed tubing resists abrasion, heat, and flame, guaranteeing reliable insulation in critical applications.
- • **Precision Fit, Every Time:** 3:1 shrink ratio ensures a snug, professional finish that outperforms standard 2:1 tubing.
- • **Custom Lengths, Zero Waste:** Generous 50-foot roll lets you cut exactly what you need—no more, no less—maximizing efficiency.
- • **Effortless Professionalism:** Easy to apply with a heat gun, delivering clean, durable results that elevate any DIY or professional project.
- • **Built to Brave the Elements:** Adhesive-lined dual-wall design creates a waterproof, oil-proof bond perfect for marine and automotive use.

## Overview

Wirefy Heat Shrink Tubing offers a superior 3:1 shrink ratio on a 50-foot roll, featuring adhesive dual-wall construction that provides waterproof, oil-proof, and abrasion-resistant insulation. UL-listed for safety and durability, it’s engineered for professional-grade electrical and automotive applications, delivering a secure, custom fit every time.

## Description

desertcart.com: Wirefy | Heat Shrink Tubing - 3/4" inch - 3:1 Ratio - Adhesive Dual Wall Waterproof - Heat Shrink Tube - Heatshrink Tubes - Black - 50 Feet Roll | Trusted UL Certification : Industrial & Scientific

Review: Cut to fit and worked like a charm. - Solid choice. I was making a light project for the wife and needed some heat shrink I could place over the wiring so it looked less DIY. This was the perfect choice. I was able to cut the length I needed, slide it over the wires and then heat it to a nice snug fit using my heat gun. The 1:3 shrink rate is highly accurate and my only suggestion would be to cut less than you need since it will extend as it shrinks. Overall, easy install and great value for the money.
Review: Wirefy Heat Shrink Tubing Kit: A Versatile and Durable Solution for Electrical Insulation - I recently purchased the Wirefy Heat Shrink Tubing Kit (180 PCS - 3:1 Ratio Adhesive Lined), and I am extremely satisfied with its performance. Here's a detailed review based on my experience: ### Comprehensive Kit This kit includes 180 pieces of heat shrink tubing in seven different sizes ranging from 3/32" to 3/4". This variety ensures that I have the right size for any project, whether it's small electronics or larger cable repairs. The pieces are precut to 3.5 inches, which is very convenient for quick applications​:citation[oaicite:6]{index=6}​​:citation[oaicite:5]{index=5}​. ### Superior Shrink Ratio The 3:1 shrink ratio is particularly impressive. It recovers to one-third of its original diameter, providing a snug and secure fit over various wire gauges. This feature eliminates the common issue of 2:1 tubing not shrinking tight enough, ensuring a professional and durable insulation every time​:citation[oaicite:4]{index=4}​. ### Adhesive Lined for Extra Protection What sets this kit apart is the adhesive lining inside the tubing. When heated, the adhesive melts and flows, creating a waterproof seal and providing excellent insulation. This feature is especially useful for automotive, marine, and outdoor applications where moisture resistance is crucial​:citation[oaicite:3]{index=3}​. ### Easy to Use Using this heat shrink tubing is straightforward. Simply slide the tubing over the connection and apply heat with a heat gun. The tubing shrinks quickly and evenly, making it easy to achieve professional results even for beginners. The dual-wall construction adds extra durability, with the outer wall providing abrasion resistance and the inner wall creating a strong adhesive bond​:citation[oaicite:2]{index=2}​​:citation[oaicite:1]{index=1}​. ### Excellent Value for Money At $14.99, this kit offers great value. The quality of the tubing and the comprehensive selection of sizes make it a cost-effective solution for a wide range of electrical insulation tasks. Free expedited shipping and returns add to the overall value, making it a hassle-free purchase​:citation[oaicite:0]{index=0}​. ### Final Thoughts Overall, the Wirefy Heat Shrink Tubing Kit is a high-quality, versatile product that meets all my electrical insulation needs. Its easy application, strong adhesive lining, and durable dual-wall construction make it a must-have for any DIY enthusiast or professional. I highly recommend this kit for anyone looking for reliable and effective heat shrink tubing.

## Features

- 3:1 SHRINK RATIO: Wire shrink wrap tubing shrinks to 1/3 of its size for a tight, secure fit. Better than 2:1 tubing. Ideal for wire heat shrink tubing in electrical or automotive use.
- WATER & OIL PROOF: Adhesive lined heat shrink tubing melts and seals for a waterproof and oil proof bond. Reliable shrink tube for wires in marine, auto, or outdoor applications.
- 50FT FLEXIBLE ROLL: 3/4" heat shrink tubing on a 50ft roll. Cut any size you need. Better than precut kits. Perfect electrical shrink wrap tubing for custom cable runs.
- DURABLE INSULATION - Electrical heat shrink tubing resists abrasion, oil, and heat. Use shrink tubing for wires in harsh environments. Strong, flexible, and durable insulation.
- UL LISTED SAFETY – UL-listed heat shrink tubing meets rigorous safety and performance standards; guarantees reliable insulation and flame resistance in critical automotive, and electrical applications.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08W8BMP4G |
| Best Sellers Rank | #635 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #4 in Industrial Heat-Shrink Tubing #1,018 in Electrical Equipment |
| Brand | Wirefy |
| Color | Black |
| Date First Available | February 9, 2021 |
| Is Discontinued By Manufacturer | No |
| Item Length | 600 Inches |
| Item Weight | 2.18 pounds |
| Item model number | Wirefy-DWT-19.1-B |
| Manufacturer | Wirefy |
| Material | Polyolefin |
| Maximum Pressure | 10 Bars |
| Nominal Wall Thickness | 1,25 inch |
| Outside Diameter | 30 Millimeters |
| Product Dimensions | 10.83"L x 1.38"W |
| UPC | 850026973068 |

## Product Details

- **Brand:** Wirefy
- **Color:** Black
- **Item Length:** 600 Inches
- **Manufacturer:** Wirefy
- **Material:** Polyolefin
- **Maximum Pressure:** 10 Bars
- **Nominal Wall Thickness:** 1,25 inch
- **Outside Diameter:** 30 Millimeters
- **Product Dimensions:** 10.83"L x 1.38"W
- **UPC:** 850026973068

## Images

![Wirefy | Heat Shrink Tubing - 3/4" inch - 3:1 Ratio - Adhesive Dual Wall Waterproof - Heat Shrink Tube - Heatshrink Tubes - Black - 50 Feet Roll | Trusted UL Certification - Image 1](https://m.media-amazon.com/images/I/41-PW0CjjZL.jpg)
![Wirefy | Heat Shrink Tubing - 3/4" inch - 3:1 Ratio - Adhesive Dual Wall Waterproof - Heat Shrink Tube - Heatshrink Tubes - Black - 50 Feet Roll | Trusted UL Certification - Image 2](https://m.media-amazon.com/images/I/41Hp4IQ7MYL.jpg)
![Wirefy | Heat Shrink Tubing - 3/4" inch - 3:1 Ratio - Adhesive Dual Wall Waterproof - Heat Shrink Tube - Heatshrink Tubes - Black - 50 Feet Roll | Trusted UL Certification - Image 3](https://m.media-amazon.com/images/I/41VFG+JWwoL.jpg)
![Wirefy | Heat Shrink Tubing - 3/4" inch - 3:1 Ratio - Adhesive Dual Wall Waterproof - Heat Shrink Tube - Heatshrink Tubes - Black - 50 Feet Roll | Trusted UL Certification - Image 4](https://m.media-amazon.com/images/I/41eWqYE8u+L.jpg)
![Wirefy | Heat Shrink Tubing - 3/4" inch - 3:1 Ratio - Adhesive Dual Wall Waterproof - Heat Shrink Tube - Heatshrink Tubes - Black - 50 Feet Roll | Trusted UL Certification - Image 5](https://m.media-amazon.com/images/I/41jSadXfChL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Cut to fit and worked like a charm.
*by N***. on November 14, 2025*

Solid choice. I was making a light project for the wife and needed some heat shrink I could place over the wiring so it looked less DIY. This was the perfect choice. I was able to cut the length I needed, slide it over the wires and then heat it to a nice snug fit using my heat gun. The 1:3 shrink rate is highly accurate and my only suggestion would be to cut less than you need since it will extend as it shrinks. Overall, easy install and great value for the money.

### ⭐⭐⭐⭐⭐ Wirefy Heat Shrink Tubing Kit: A Versatile and Durable Solution for Electrical Insulation
*by T***H on June 19, 2024*

I recently purchased the Wirefy Heat Shrink Tubing Kit (180 PCS - 3:1 Ratio Adhesive Lined), and I am extremely satisfied with its performance. Here's a detailed review based on my experience: ### Comprehensive Kit This kit includes 180 pieces of heat shrink tubing in seven different sizes ranging from 3/32" to 3/4". This variety ensures that I have the right size for any project, whether it's small electronics or larger cable repairs. The pieces are precut to 3.5 inches, which is very convenient for quick applications​:citation[oaicite:6]{index=6}​​:citation[oaicite:5]{index=5}​. ### Superior Shrink Ratio The 3:1 shrink ratio is particularly impressive. It recovers to one-third of its original diameter, providing a snug and secure fit over various wire gauges. This feature eliminates the common issue of 2:1 tubing not shrinking tight enough, ensuring a professional and durable insulation every time​:citation[oaicite:4]{index=4}​. ### Adhesive Lined for Extra Protection What sets this kit apart is the adhesive lining inside the tubing. When heated, the adhesive melts and flows, creating a waterproof seal and providing excellent insulation. This feature is especially useful for automotive, marine, and outdoor applications where moisture resistance is crucial​:citation[oaicite:3]{index=3}​. ### Easy to Use Using this heat shrink tubing is straightforward. Simply slide the tubing over the connection and apply heat with a heat gun. The tubing shrinks quickly and evenly, making it easy to achieve professional results even for beginners. The dual-wall construction adds extra durability, with the outer wall providing abrasion resistance and the inner wall creating a strong adhesive bond​:citation[oaicite:2]{index=2}​​:citation[oaicite:1]{index=1}​. ### Excellent Value for Money At $14.99, this kit offers great value. The quality of the tubing and the comprehensive selection of sizes make it a cost-effective solution for a wide range of electrical insulation tasks. Free expedited shipping and returns add to the overall value, making it a hassle-free purchase​:citation[oaicite:0]{index=0}​. ### Final Thoughts Overall, the Wirefy Heat Shrink Tubing Kit is a high-quality, versatile product that meets all my electrical insulation needs. Its easy application, strong adhesive lining, and durable dual-wall construction make it a must-have for any DIY enthusiast or professional. I highly recommend this kit for anyone looking for reliable and effective heat shrink tubing.

### ⭐⭐⭐⭐⭐ Great quality kit
*by G***A on September 16, 2025*

Very useful and complete set. The tubing shrinks evenly and seals well. Quality feels good, comes in a well-organized box with many size options. Works perfectly for wires and small projects. Definitely a reliable kit to have.

## Frequently Bought Together

- Wirefy 3/4" Heat Shrink Tubing - Large Diameter - 3:1 Ratio - Adhesive Lined - Industrial Heat-Shrink Tubing - Black - 50 Feet Roll
- Wirefy Heat Shrink Wire Connectors Kit - Marine Grade Electrical Connectors - Automotive Butt Connectors - Insulated Ring, Spade, Fork, Hook Crimp Terminals - 22-10 Gauge - 270 PCS
- Crimping Tool for Heat Shrink Connectors - Ratcheting Wire Crimper - Crimping Pliers - Ratchet Terminal Crimper - Wire Crimp Tool by Wirefy

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-01-23*