---
product_id: 489810029
title: "ELECFUN 3 Inch 3:1 Large Marine Grade Adhesive Lined Heat Shrink Tubing 4Ft | 3Inch Heatshrink Tube Roll,Waterproof Heavy Duty Dual Wall,Shrinkable Wire Wrap,Seal Against Moisture Corrosion Air Leakage"
brand: "elecfun"
price: "₩58423"
currency: KRW
in_stock: true
category: "Elecfun"
url: https://www.desertcart.kr/products/489810029-elecfun-3-inch-3-1-large-marine-grade-adhesive-lined
store_origin: KR
region: South Korea
---

# Adhesive-lined dual wall for waterproof protection 3:1 shrink ratio for ultra-tight seal Marine-grade abrasion resistant outer layer ELECFUN 3 Inch 3:1 Large Marine Grade Adhesive Lined Heat Shrink Tubing 4Ft | 3Inch Heatshrink Tube Roll,Waterproof Heavy Duty Dual Wall,Shrinkable Wire Wrap,Seal Against Moisture Corrosion Air Leakage

**Brand:** elecfun
**Price:** ₩58423
**Availability:** ✅ In Stock

## Summary

> 🔧 Seal it like a pro — waterproof, tough, and ready for any challenge!

## Quick Answers

- **What is this?** ELECFUN 3 Inch 3:1 Large Marine Grade Adhesive Lined Heat Shrink Tubing 4Ft | 3Inch Heatshrink Tube Roll,Waterproof Heavy Duty Dual Wall,Shrinkable Wire Wrap,Seal Against Moisture Corrosion Air Leakage by elecfun
- **How much does it cost?** ₩58423 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/489810029-elecfun-3-inch-3-1-large-marine-grade-adhesive-lined)

## 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

- • **Precision 3:1 Shrink Ratio:** Ensures a snug, professional-grade seal every time
- • **Waterproof Adhesive Lining:** Melts to create a moisture-proof, corrosion-resistant barrier
- • **Trusted Quality & Compliance:** UL-listed and certified to SGS, RoHS, REACH, CE, and ISO9001 standards
- • **Heavy-Duty Dual Wall Construction:** Outer abrasion resistance meets inner strain relief for ultimate durability
- • **Versatile Industrial & Marine Use:** Perfect for automotive, shipbuilding, electrical DIY, and anti-corrosion needs

## Overview

ELECFUN’s 3-inch, 4-foot marine-grade heat shrink tubing features a powerful 3:1 shrink ratio and adhesive-lined dual walls that deliver waterproof, corrosion-resistant seals. Designed for heavy-duty industrial and marine applications, it offers abrasion resistance and strain relief, backed by top-tier certifications for reliable, long-lasting protection.

## Description

ELECFUN 3 Inch 3:1 Large Marine Grade Adhesive Lined Heat Shrink Tubing 4Ft | 3Inch Heatshrink Tube Roll,Waterproof Heavy Duty Dual Wall,Shrinkable Wire Wrap,Seal Against Moisture Corrosion Air Leakage: desertcart.com: Industrial & Scientific

## Features

- The Round Diameter is 3" / 80mm (Before Shrinking) and 1" / 25.4mm (After Shrinking). For packaging convenience, we pressure the tubing into a packing size of 5" / 127mm
- Package: 1 pcs black 3 inch large marine grade heat shrink tubing roll, total length: 4 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 | B09STBHCG2 |
| Best Sellers Rank | #1,370 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #5 in Industrial Heat-Shrink Tubing |
| Brand Name | ELECFUN |
| Color | Black |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,721) |
| Item Dimensions L x W | 48"L x 1"W |
| Item Length | 4 Feet |
| Manufacturer | ELECFUN |
| Material Type | Polyolefin |
| Maximum Pressure | 10 Bars |
| Nominal Wall Thickness | 3 Inches |
| Outside Diameter | 3 Inches |
| UPC | 192389013099 |
| Unit Count | 4.0 Feet |

## Product Details

- **Brand:** ELECFUN
- **Color:** Black
- **Item Length:** 4 Feet
- **Manufacturer:** ELECFUN
- **Material:** Polyolefin
- **Maximum Pressure:** 10 Bars
- **Nominal Wall Thickness:** 3 Inches
- **Outside Diameter:** 3 Inches
- **Product Dimensions:** 48"L x 1"W
- **UPC:** 192389013099

## Images

![ELECFUN 3 Inch 3:1 Large Marine Grade Adhesive Lined Heat Shrink Tubing 4Ft | 3Inch Heatshrink Tube Roll,Waterproof Heavy Duty Dual Wall,Shrinkable Wire Wrap,Seal Against Moisture Corrosion Air Leakage - Image 1](https://m.media-amazon.com/images/I/610YxK+OsIL.jpg)
![ELECFUN 3 Inch 3:1 Large Marine Grade Adhesive Lined Heat Shrink Tubing 4Ft | 3Inch Heatshrink Tube Roll,Waterproof Heavy Duty Dual Wall,Shrinkable Wire Wrap,Seal Against Moisture Corrosion Air Leakage - Image 2](https://m.media-amazon.com/images/I/813e4h3WnxL.jpg)
![ELECFUN 3 Inch 3:1 Large Marine Grade Adhesive Lined Heat Shrink Tubing 4Ft | 3Inch Heatshrink Tube Roll,Waterproof Heavy Duty Dual Wall,Shrinkable Wire Wrap,Seal Against Moisture Corrosion Air Leakage - Image 3](https://m.media-amazon.com/images/I/71YsejVoydL.jpg)
![ELECFUN 3 Inch 3:1 Large Marine Grade Adhesive Lined Heat Shrink Tubing 4Ft | 3Inch Heatshrink Tube Roll,Waterproof Heavy Duty Dual Wall,Shrinkable Wire Wrap,Seal Against Moisture Corrosion Air Leakage - Image 4](https://m.media-amazon.com/images/I/81pbc3zdm2L.jpg)
![ELECFUN 3 Inch 3:1 Large Marine Grade Adhesive Lined Heat Shrink Tubing 4Ft | 3Inch Heatshrink Tube Roll,Waterproof Heavy Duty Dual Wall,Shrinkable Wire Wrap,Seal Against Moisture Corrosion Air Leakage - Image 5](https://m.media-amazon.com/images/I/61HJlgrZ7WL.jpg)

## Available Options

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

## Frequently Bought Together

- ELECFUN 3 Inch Heat Shrink Tubing Roll, 3:1 Large Marine Grade Adhesive Lined Heatshrink Tube, Heavy Duty Dual Wall Shrinkable Wiring Wrap, Seal Against Moisture Corrosion and Air Leakage 4 ft
- XHF 2 Inch (50mm) 3:1 Waterproof Heat Shrink Tubing Marine Grade Wire Cable Adhesive Lined Tube Insulation Seal Against Moisture Corrosion and Air Leakage, 4 Ft Black
- 2 Inch Heat Shrink Tubing - 5 Ft 3:1Ratio Waterproof Heat Shrink Tubin - Adhesive Lined,Dual Wall Adhesive Shrinkable Wire Wrap Tube - Black

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-07-12*