---
product_id: 766158694
title: "Chanzon 3:1 Ratio 2-1/2\" (64mm) Heat Shrink Tubing - Marine Grade Waterproof Adhesive Backing - 4' Roll (1.22 Meters Total Length) Black Polyolefin Sleeve Wrap Shrink 3:1 Ratio 1 Piece"
brand: "chanzon"
price: "₩18870"
currency: KRW
in_stock: false
url: https://www.desertcart.kr/products/766158694-chanzon-3-1-ratio-2-1-2-64mm-heat-shrink
store_origin: KR
region: South Korea
---

# UL rated up to 600V, -55 to 125°C Marine-grade waterproof adhesive seal 3:1 shrink ratio for tight fit Chanzon 3:1 Ratio 2-1/2" (64mm) Heat Shrink Tubing - Marine Grade Waterproof Adhesive Backing - 4' Roll (1.22 Meters Total Length) Black Polyolefin Sleeve Wrap Shrink 3:1 Ratio 1 Piece

**Brand:** chanzon
**Price:** ₩18870
**Availability:** ❌ Out of Stock

## Summary

> 💼 Seal your connections like a pro—because your projects deserve the best.

## Quick Answers

- **What is this?** Chanzon 3:1 Ratio 2-1/2" (64mm) Heat Shrink Tubing - Marine Grade Waterproof Adhesive Backing - 4' Roll (1.22 Meters Total Length) Black Polyolefin Sleeve Wrap Shrink 3:1 Ratio 1 Piece by chanzon
- **How much does it cost?** ₩18870 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/766158694-chanzon-3-1-ratio-2-1-2-64mm-heat-shrink)

## Best For

- chanzon enthusiasts

## Why This Product

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

## Key Features

- • **Effortless Application:** Simply slide over connections and apply heat evenly for a reliable, long-lasting seal—no fuss, no mess.
- • **Precision 3:1 Shrink Ratio:** Ensures a snug, professional-grade fit that shrinks to one-third its original diameter for ultimate wire protection.
- • **Marine-Grade Double Wall Seal:** Adhesive-backed tubing creates a corrosion-resistant, waterproof barrier perfect for harsh environments.
- • **Versatile Industrial & DIY Use:** Ideal for marine, automotive, electrical repairs, and corrosion protection—join the pros who trust Chanzon.
- • **High Voltage & Temperature Safety:** UL listed and REACH/ROHS compliant, safe for up to 600 volts and temperatures from -55°C to 125°C.

## Overview

Chanzon’s 3:1 Ratio 2.5" Heat Shrink Tubing offers a durable, marine-grade double wall with adhesive backing that shrinks tightly to protect and insulate wires. Rated for high voltage (up to 600V) and extreme temperatures (-55°C to 125°C), this 4-foot polyolefin sleeve is UL listed, eco-friendly, and perfect for professional-grade electrical, automotive, and marine applications.

## Description



## Features

- 3-1 Ratio - Shrinks to 1/3 of the original diameter, Double wall with adhesive backing for marine grade waterproof seal, 2-1/2 (2.5 inches) (64 mm), 4 feet long, see diameter chart (picture 3)
- SAFE & ECO-FRIENDLY - UL listed at operating temperatures up to 600 voltages -55 to 125 degrees Celsius, safe and reliable, RECH/ROHS compliant halogen and lead free protect you and your family
- DOUBLE WALL TUBE - When you remove the anti-adhesive paper inside and heat it, the adhesive pops up and seals the connection, achieves marine grade waterproof insulation, corrosion resistant, water and oil resistant, VW-1 flame retardant, high temperature resistant 3/1 shrinkage. Bonds the inside of the wire
- EASY TO USE - Choose the right size you need, slide the shrink tube to the connection point, and apply heat evenly at a temperature of about 70 to 125 degrees Celsius
- APPLICATION - Shrink tubes are mainly used for industrial repair, marine, automotive, wire links, solder joints, rust and corrosion protection, audio and electrical DIY. Protects and insulates wire terminals, harnesses, electronic equipment, equipment components, steel structure surface protection and more

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | CHANZON |
| Model Number | RSG-3/1-DJ-64G-HEI-1.22M-1 |
| Product Dimensions | 37.5 x 30 x 2.2 cm; 331 g |
| Material | Polypropylene (PP) |
| Are Batteries Included | No |
| Item Weight | 331 g |

## Product Details

- **Brand:** CHANZON
- **Material:** Polypropylene (PP)
- **Manufacturer:** CHANZON

## Images

![Chanzon 3:1 Ratio 2-1/2" (64mm) Heat Shrink Tubing - Marine Grade Waterproof Adhesive Backing - 4' Roll (1.22 Meters Total Length) Black Polyolefin Sleeve Wrap Shrink 3:1 Ratio 1 Piece - Image 1](https://m.media-amazon.com/images/I/513sLbUxPPL.jpg)
![Chanzon 3:1 Ratio 2-1/2" (64mm) Heat Shrink Tubing - Marine Grade Waterproof Adhesive Backing - 4' Roll (1.22 Meters Total Length) Black Polyolefin Sleeve Wrap Shrink 3:1 Ratio 1 Piece - Image 2](https://m.media-amazon.com/images/I/71WBZ1Aq8aL.jpg)
![Chanzon 3:1 Ratio 2-1/2" (64mm) Heat Shrink Tubing - Marine Grade Waterproof Adhesive Backing - 4' Roll (1.22 Meters Total Length) Black Polyolefin Sleeve Wrap Shrink 3:1 Ratio 1 Piece - Image 3](https://m.media-amazon.com/images/I/81N-gaqPpuL.jpg)
![Chanzon 3:1 Ratio 2-1/2" (64mm) Heat Shrink Tubing - Marine Grade Waterproof Adhesive Backing - 4' Roll (1.22 Meters Total Length) Black Polyolefin Sleeve Wrap Shrink 3:1 Ratio 1 Piece - Image 4](https://m.media-amazon.com/images/I/71xvavilJmL.jpg)
![Chanzon 3:1 Ratio 2-1/2" (64mm) Heat Shrink Tubing - Marine Grade Waterproof Adhesive Backing - 4' Roll (1.22 Meters Total Length) Black Polyolefin Sleeve Wrap Shrink 3:1 Ratio 1 Piece - Image 5](https://m.media-amazon.com/images/I/71eItCRhl1L.jpg)

---

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**Shop now:** [https://www.desertcart.kr/products/766158694-chanzon-3-1-ratio-2-1-2-64mm-heat-shrink](https://www.desertcart.kr/products/766158694-chanzon-3-1-ratio-2-1-2-64mm-heat-shrink)

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-01-29*