---
product_id: 332677571
title: "ELECFUN Waterproof Heat Shrink Tubing Kit 400 pcs, 3:1 Dual Wall Tube - Adhesive Lined Heatshrink for Wires - Marine Grade and Industrial Shrinkable Wiring Wrap Fully Insulation Black, 7 Sizes"
brand: "elecfun"
price: "$30.48"
currency: USD
in_stock: true
category: "Elecfun"
url: https://www.desertcart.us/products/332677571-elecfun-waterproof-heat-shrink-tubing-kit-400-pcs-3-1
store_origin: US
region: United States of America
---

# Adhesive Lined for waterproofing 3:1 Shrink Ratio for tight seal Dual Wall for abrasion & strain relief ELECFUN Waterproof Heat Shrink Tubing Kit 400 pcs, 3:1 Dual Wall Tube - Adhesive Lined Heatshrink for Wires - Marine Grade and Industrial Shrinkable Wiring Wrap Fully Insulation Black, 7 Sizes

**Brand:** elecfun
**Price:** $30.48
**Availability:** ✅ In Stock

## Summary

> 🛠️ Seal it tight, protect it right — the ultimate heat shrink kit for pros who settle for nothing less!

## Quick Answers

- **What is this?** ELECFUN Waterproof Heat Shrink Tubing Kit 400 pcs, 3:1 Dual Wall Tube - Adhesive Lined Heatshrink for Wires - Marine Grade and Industrial Shrinkable Wiring Wrap Fully Insulation Black, 7 Sizes by elecfun
- **How much does it cost?** $30.48 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/332677571-elecfun-waterproof-heat-shrink-tubing-kit-400-pcs-3-1)

## 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 Wall Durability:** Outer abrasion-resistant layer plus inner waterproof seal ensure long-lasting safety.
- • **Versatile 7-Size Kit:** Covers all your wiring needs from 3/32" to 3/4" with 400 pre-cut pieces for instant use.
- • **Marine & Industrial Grade:** Trusted for automotive, marine, DIY electronics, and heavy-duty industrial applications.
- • **Precision 3:1 Shrink Ratio:** Achieve professional-grade tight seals in seconds with rapid shrinking at 80-125°C.
- • **Waterproof Adhesive Lining:** Seals connections instantly to protect against moisture, corrosion, and wear.

## Overview

The ELECFUN Waterproof Heat Shrink Tubing Kit offers 400 pre-cut dual-wall polyolefin tubes with a 3:1 shrink ratio and adhesive lining, delivering fast, waterproof, and abrasion-resistant insulation. Available in 7 essential sizes, this marine-grade kit is engineered for industrial, automotive, and DIY electrical projects requiring durable, professional connections.

## Description

ELECFUN Waterproof Heat Shrink Tubing Kit 400 pcs, 3:1 Dual Wall Tube - Adhesive Lined Heatshrink for Wires - Marine Grade and Industrial Shrinkable Wiring Wrap Fully Insulation Black, 7 Sizes: desertcart.com: Industrial & Scientific

## Features

- [3:1 Shrink Ratio & Fast Shrink] Shrink ratio of our industrial heat shrink tubing is 3:1, which makes a tightness seal. Shrinking temperature: 80 - 125 ℃, professional connections made in seconds
- [Adhesive Lined Heat Shrink Tubing] While heating, the adhesive lined comes out and sealing the connection, creating waterproof and long-lasting insulation
- [Dual Wall Tube & Safer] Outer wall provides abrasion resistance. Inner wall creates a waterproof seal and strain relief. The double thick polyolefin heatshrink tubing secures durable safe for projects
- [7 Sizes] The kit includes 7 most commonly used diameters ranging from 3/32 to 3/4 inch, and precut to 1.77" long. It fits for commonly used home wire connection gauge
- [Wide Applications] Our water tight heatshrink tube is idael for home, industrial, ship, automotive, weatherproof, rust and corrosion protection, solder joints, mobile charging cable, earphone, LED, RC aircraft, audio maintenance, and electrical DIY
- [ELECFUN Advantage] Our factory offer a great variety of colors and small and big sizes (e.g. 3/32", 1/8" ... 1.25",1.5",1.75", 2.5",3",3.5", and larger dia) rolls and kits. Supporting customized sizes, special usage tubing and high volume B2B purchasing

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DL5319R2 |
| Best Sellers Rank | #67,058 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #211 in Industrial Heat-Shrink Tubing #951 in Industrial Tubing |
| Brand Name | ELECFUN |
| Color | Black |
| Customer Reviews | 4.7 4.7 out of 5 stars (1,973) |
| Item Length | 1.77 Inches |
| Manufacturer | ELECFUN |
| Material Type | Polyolefin |
| Outside Diameter | 0.75 Inches |
| Unit Count | 400.0 Count |

## Product Details

- **Brand:** ELECFUN
- **Color:** Black
- **Item Length:** 1.77 Inches
- **Manufacturer:** ELECFUN
- **Material:** Polyolefin
- **Number of Packs:** 1
- **Outside Diameter:** 0.75 Inches
- **Unit Count:** 400.0 Count

## Images

![ELECFUN Waterproof Heat Shrink Tubing Kit 400 pcs, 3:1 Dual Wall Tube - Adhesive Lined Heatshrink for Wires - Marine Grade and Industrial Shrinkable Wiring Wrap Fully Insulation Black, 7 Sizes - Image 1](https://m.media-amazon.com/images/I/71GXoNRxaIL.jpg)
![ELECFUN Waterproof Heat Shrink Tubing Kit 400 pcs, 3:1 Dual Wall Tube - Adhesive Lined Heatshrink for Wires - Marine Grade and Industrial Shrinkable Wiring Wrap Fully Insulation Black, 7 Sizes - Image 2](https://m.media-amazon.com/images/I/71lj3WZ+PaL.jpg)
![ELECFUN Waterproof Heat Shrink Tubing Kit 400 pcs, 3:1 Dual Wall Tube - Adhesive Lined Heatshrink for Wires - Marine Grade and Industrial Shrinkable Wiring Wrap Fully Insulation Black, 7 Sizes - Image 3](https://m.media-amazon.com/images/I/71GVYN13MSL.jpg)
![ELECFUN Waterproof Heat Shrink Tubing Kit 400 pcs, 3:1 Dual Wall Tube - Adhesive Lined Heatshrink for Wires - Marine Grade and Industrial Shrinkable Wiring Wrap Fully Insulation Black, 7 Sizes - Image 4](https://m.media-amazon.com/images/I/81p1Ma2k2pL.jpg)
![ELECFUN Waterproof Heat Shrink Tubing Kit 400 pcs, 3:1 Dual Wall Tube - Adhesive Lined Heatshrink for Wires - Marine Grade and Industrial Shrinkable Wiring Wrap Fully Insulation Black, 7 Sizes - Image 5](https://m.media-amazon.com/images/I/81pbc3zdm2L.jpg)

## Available Options

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

## Frequently Bought Together

- ELECFUN Waterproof Heat Shrink Tubing Kit 365 pcs, 3:1 Dual Wall Tube - Adhesive Lined Heatshrink for Wires - Marine Grade and Industrial Shrinkable Wiring Wrap Fully Insulation Black/Red, 7 Sizes
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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-07-29*