---
product_id: 353646138
title: "1-1/2 Inch 3:1 Large Marine Grade Adhesive Lined Heat Shrink Tube Wire Wrap"
brand: "elecfun"
price: "S$31"
currency: SGD
in_stock: true
reviews_count: 13
category: "Elecfun"
url: https://www.desertcart.sg/products/353646138-1-1-2-inch-3-1-large-marine-grade-adhesive
store_origin: SG
region: Singapore
---

# Marine grade waterproof & corrosion resistant 3:1 shrink ratio for precision fit Dual-wall abrasion & strain relief protection 1-1/2 Inch 3:1 Large Marine Grade Adhesive Lined Heat Shrink Tube Wire Wrap

**Brand:** elecfun
**Price:** S$31
**Availability:** ✅ In Stock

## Summary

> 🔥 Seal it tight, shrink it right! 🛠️

## Quick Answers

- **What is this?** 1-1/2 Inch 3:1 Large Marine Grade Adhesive Lined Heat Shrink Tube Wire Wrap by elecfun
- **How much does it cost?** S$31 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/353646138-1-1-2-inch-3-1-large-marine-grade-adhesive)

## Best For

- elecfun enthusiasts

## Why This Product

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

## Key Features

- • **Dual-Layer Defense:** Outer abrasion-resistant wall plus inner adhesive lining create a watertight, strain-relieved connection that lasts.
- • **Color-Coded Convenience:** Includes 4 feet each of black and red tubing to easily distinguish power and ground wires for cleaner, safer installs.
- • **Precision Fit Every Time:** 3:1 shrink ratio ensures a tight, professional seal on wires from 1.5" down to 0.5" diameter.
- • **Built for Harsh Environments:** Marine-grade polyolefin material resists water, rust, and corrosion—perfect for automotive and industrial use.
- • **Certified Quality & Versatility:** UL-listed and compliant with SGS, RoHS, REACH, CE, and ISO9001 standards—trusted for professional-grade projects.

## Overview

ELECFUN’s 1-1/2 inch 3:1 large marine grade heat shrink tubing offers 8 feet of durable, dual-wall polyolefin tubing in black and red. Designed for industrial, automotive, and marine applications, it provides a watertight, abrasion-resistant seal with a high shrink ratio for a snug fit. Certified to global safety standards, this adhesive-lined tubing ensures long-lasting protection against moisture, corrosion, and mechanical strain.

## Description

1-1/2 Inch 3:1 Large Marine Grade Adhesive Lined Heat Shrink Tube Wire Wrap | ELECFUN 8Ft 1-1/2Inch 4Ft Black & 4Ft Red,Heatshrink Tube Roll,Waterproof Dual Wall,Wire,Seal Against Moisture Air Leakage: desertcart.com: Industrial & Scientific

Review: Absolute game-changer for Street Glide handlebar wiring! - ​This marine-grade heat shrink tubing is absolutely exceptional and made my handlebar swap an absolute breeze. * Perfect for Handlebar Swaps: I used this to bundle and protect the control wires for a handlebar swap on my Harley Street Glide. The 3:1 shrink ratio gave a tight, perfect seal over the connections, keeping the harness slim enough to pull through the bars effortlessly. ​Excellent Heat Tolerance: It handles heat incredibly well during application. It shrank down evenly without burning, splitting, or getting brittle, and the internal adhesive flowed perfectly to create a solid, weatherproof barrier. ​Top-Tier Quality: The thick, marine-grade wall offers awesome abrasion resistance inside the bars where things can rub. ​If you're doing any internal motorcycle wiring or bar swaps, don't hesitate—this stuff is top-tier.
Review: Honey, I Shrunk The Wraps - Today’s purchases are four foot rolls of both black and red large heat shrink for electrical applications. They came sealed and packed together. I wanted red and black heat shrink for my car audio installations. This purchase allowed me to conveniently buy, not only both red and black together, but the rolls allow me to cut them as long or as short as I need at the moment. I used them to distinguish between the power and ground wires since the insulation is the same color. It also made the install much cleaner looking and protected the install from shorts. These sheat shrinks seem to have an additional adhesive on the inside, meaning once they are on, they are not coming off. This is really great for securely protecting your equipment, but not so great if you have to remove them. I recently started getting into using the heat shrinks, but now that I am, I want everything to have shrink on it. These tubes are super easy to use and work on a wide range of sizes, shrinking up to four times. The quality and results that you get from these are great, and they are very affordable, making them a very good deal. If you like using heat shrink, and you are looking to get some or replenish your stock, I would highly recommend these, because they are a great value.

## Features

- The Round Diameter is 1-1/2" / 40mm (Before Shrinking) and 1/2" / 12.7mm (After Shrinking). For packaging convenience, we pressure the tubing into a packing size of 2-1/2" / 63.5mm
- Package: 1 pcs 1-1/2 inch black large marine grade heat shrink tubing roll and 1 pcs 1-1/2 inch red large marine grade heat shrink tubing roll, each length is 4 feet, total length: 8 feet
- 3:1 Shrink Ratio: Shrink ratio of our industrial heatshrink tube is 3:1, which makes a tighter seal. Shrinkage temperature: 80 - 125 ℃, professional connections made in seconds
- Adhesive Lined Heat Shrink Tubing: While heating, the adhesive lined comes out and seals the connection, creating water tight and long-lasting sealing
- Dual Wall Tube and Safer: Outer wall provides abrasion resistance. The inner wall creates a water tight sealing and strain relief. All heat shrink tubing is UL-listed and compliant with SGS, RoHS, REACH, CE, and ISO9001 standards
- Wide Applications: ELECFUN's waterproof shrink tube are mainly used for industrial, ship, automotive, wire links, anti-rust and anti-corrosion protection of solder joints, wiring wrap, cable protection, and audio and electrical DIY
- More Sizes: Our factory offers various color and size (e.g. 3/32" ... 1.25",1.5",1.75", 2.5",3",3.5", 4", and larger dia) small, big, rolls and kits, shrink ratio 2:1, 3:1, and 4:1. Support custom size, special usage tubes and high volume B2B purchasing.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08SQKNQ7F |
| Best Sellers Rank | #1,598 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #4 in Industrial Heat-Shrink Tubing |
| Brand | ELECFUN |
| Brand Name | ELECFUN |
| Color | Red/Black |
| Customer Reviews | 4.6 out of 5 stars 1,891 Reviews |
| Item Dimensions L x W | 48"L x 1.5"W |
| Item Length | 96 inches |
| Item Weight | 10.56 ounces |
| Manufacturer | ELECFUN |
| Material | Polyolefin |
| Material Type | Polyolefin |
| Maximum Pressure | 10 bar |
| Nominal Wall Thickness | 1.5 inch |
| Outside Diameter | 1.5 inches |
| Product Dimensions | 48"L x 1.5"W |
| UPC | 192389013471 |
| Unit Count | 8 Feet |

## Product Details

- **Brand:** ELECFUN
- **Color:** Red/Black
- **Item Length:** 96 inches
- **Item Weight:** 10.56 ounces
- **Material:** Polyolefin
- **Maximum Pressure:** 10 bar
- **Nominal Wall Thickness:** 1.5 inch
- **Outside Diameter:** 1.5 inches
- **Product Dimensions:** 48"L x 1.5"W
- **UPC:** 192389013471

## Images

![1-1/2 Inch 3:1 Large Marine Grade Adhesive Lined Heat Shrink Tube Wire Wrap - Image 1](https://m.media-amazon.com/images/I/611Cv8p9POL.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Absolute game-changer for Street Glide handlebar wiring!
*by R***N on July 15, 2026*

​This marine-grade heat shrink tubing is absolutely exceptional and made my handlebar swap an absolute breeze. * Perfect for Handlebar Swaps: I used this to bundle and protect the control wires for a handlebar swap on my Harley Street Glide. The 3:1 shrink ratio gave a tight, perfect seal over the connections, keeping the harness slim enough to pull through the bars effortlessly. ​Excellent Heat Tolerance: It handles heat incredibly well during application. It shrank down evenly without burning, splitting, or getting brittle, and the internal adhesive flowed perfectly to create a solid, weatherproof barrier. ​Top-Tier Quality: The thick, marine-grade wall offers awesome abrasion resistance inside the bars where things can rub. ​If you're doing any internal motorcycle wiring or bar swaps, don't hesitate—this stuff is top-tier.

### ⭐⭐⭐⭐⭐ Honey, I Shrunk The Wraps
*by J***T on May 15, 2026*

Today’s purchases are four foot rolls of both black and red large heat shrink for electrical applications. They came sealed and packed together. I wanted red and black heat shrink for my car audio installations. This purchase allowed me to conveniently buy, not only both red and black together, but the rolls allow me to cut them as long or as short as I need at the moment. I used them to distinguish between the power and ground wires since the insulation is the same color. It also made the install much cleaner looking and protected the install from shorts. These sheat shrinks seem to have an additional adhesive on the inside, meaning once they are on, they are not coming off. This is really great for securely protecting your equipment, but not so great if you have to remove them. I recently started getting into using the heat shrinks, but now that I am, I want everything to have shrink on it. These tubes are super easy to use and work on a wide range of sizes, shrinking up to four times. The quality and results that you get from these are great, and they are very affordable, making them a very good deal. If you like using heat shrink, and you are looking to get some or replenish your stock, I would highly recommend these, because they are a great value.

### ⭐⭐⭐⭐⭐ Best shrink tube I've used.
*by A***O on September 14, 2026*

I was a little skeptical about this over regular shrink tube, Now it's probably the only stuff I'll use. This is way way better than regular shrink tube. You can actually get a real waterproof connection without worrying. It even shrinks more..the 1/4" can shrink down to 5/64ths...that's kinda crazy. Not a bad price for the length of it you get really. It's easy to use with a heat gun or a blowtorch (just with a blowtorch you have to move faster). I used it for my trolling motor connections and general wire management. I will say it is stiffer than regular shrink tube but for what I needed it for it was perfect.

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-10-18*