---
product_id: 725511193
title: "Chanzon 3:1 Ratio - 80Ft Roll - 1-1/4inch (30mm) Black Heat Shrink Tubing - Marine Grade, Waterproof, Dual Wall Adhesive Tubes 1pcs"
brand: "chanzon"
price: "1316 kr"
currency: DKK
in_stock: true
reviews_count: 13
category: "Chanzon"
url: https://www.desertcart.dk/products/725511193-chanzon-3-1-ratio-80ft-roll-1-1-4inch-30mm
store_origin: DK
region: Denmark
---

# Marine-grade waterproof dual-wall seal 3:1 shrink ratio for perfect fit Heat activation at 70-125℃ for secure adhesion Chanzon 3:1 Ratio - 80Ft Roll - 1-1/4inch (30mm) Black Heat Shrink Tubing - Marine Grade, Waterproof, Dual Wall Adhesive Tubes 1pcs

**Brand:** chanzon
**Price:** 1316 kr
**Availability:** ✅ In Stock

## Summary

> 🔥 Seal it tight, protect it right — the pro’s choice for marine-grade durability!

## Quick Answers

- **What is this?** Chanzon 3:1 Ratio - 80Ft Roll - 1-1/4inch (30mm) Black Heat Shrink Tubing - Marine Grade, Waterproof, Dual Wall Adhesive Tubes 1pcs by chanzon
- **How much does it cost?** 1316 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/725511193-chanzon-3-1-ratio-80ft-roll-1-1-4inch-30mm)

## 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

- • **Invisible Inspection:** Clear tubing allows quick visual checks without removal, saving time on maintenance.
- • **Effortless Application:** Simply slide on and heat within 70-125℃ for a fast, reliable, waterproof seal.
- • **Eco-Safe & UL Certified:** Meets RECH/ROHS standards and UL listed for 600V, combining safety with environmental responsibility.
- • **Precision Fit, Every Time:** 3:1 shrink ratio ensures tubing shrinks to one-third, hugging irregular shapes flawlessly.
- • **Built for the Harshest Conditions:** Marine-grade, UV, saltwater, and chemical resistant for ultimate durability in extreme environments.

## Overview

Chanzon’s 80ft 1-1/4 inch black heat shrink tubing features a high-performance 3:1 shrink ratio and dual-wall adhesive construction, delivering a marine-grade waterproof seal that resists UV, saltwater, and chemicals. UL listed for 600 volts and compliant with RECH/ROHS standards, it offers safe, eco-friendly insulation ideal for demanding electrical and marine applications. Its clear design enables easy inspection, while simple heat activation ensures a secure, long-lasting fit.

## Description

Chanzon 3:1 Ratio - 80Ft Roll - 1-1/4inch (30mm) Black Heat Shrink Tubing - Marine Grade, Waterproof, Dual Wall Adhesive Tubes 1pcs: desertcart.com: Industrial & Scientific

Review: Perfect - Clear marine grade 3:1 shrink ratio heat shrink tubing is a versatile and durable solution for protecting and insulating electrical connections, particularly in harsh marine environments. Here’s a review highlighting its key aspects: Features and Specifications • Shrink Ratio: The 3:1 shrink ratio means the tubing shrinks to one-third of its original diameter when heated, allowing it to conform tightly to irregular shapes and sizes. • Transparency: Being clear, this tubing allows for easy inspection of the underlying connections without needing to remove the tubing, ensuring that you can check for proper contact and corrosion. • Marine Grade: Designed to withstand harsh marine environments, this tubing is highly resistant to UV light, saltwater, chemicals, and abrasion, making it ideal for use on boats and other marine equipment. • Material Quality: Typically made from high-quality polyolefin, the tubing provides excellent insulation and mechanical protection, enhancing the longevity and reliability of electrical connections. Performance The 3:1 shrink ratio ensures a snug fit over varied connectors and irregular shapes, providing a watertight seal that protects against moisture and corrosion. The clear material is beneficial for ongoing maintenance, allowing visual inspections without removing the tubing. Users report that it shrinks evenly and adheres well to the surfaces, maintaining flexibility and strength even after shrinking. Ease of Use Clear marine grade heat shrink tubing is straightforward to use. Simply cut it to the desired length, slide it over the connection, and apply heat evenly using a heat gun or another suitable heat source. The tubing shrinks quickly and uniformly, forming a secure seal around the connection. Applications • Marine Wiring: Ideal for boats, yachts, and other marine vehicles where exposure to water and harsh conditions is a concern. • Automotive Wiring: Useful in automotive applications where protection from the elements and mechanical stress is required. • Electrical Repairs: Suitable for general electrical repairs and installations, providing a professional and durable finish. Pros and Cons Pros: • High shrink ratio allows for versatile use • Clear material for easy inspection • Excellent resistance to environmental factors • Durable and long-lasting protection Cons: • Requires a heat source for application • May be more expensive than standard heat shrink tubing Conclusion Clear marine grade 3:1 shrink ratio heat shrink tubing is a high-quality, reliable solution for protecting electrical connections in demanding environments. Its superior resistance to UV light, chemicals, and abrasion, combined with the convenience of being clear for inspections, makes it an excellent choice for marine and automotive applications. Despite the need for a heat source, its performance and durability offer great value for both professional and DIY use.
Review: works good - this shrinks well i did find the i need the next size down

## Features

- 3-1 Shrink Ratio: The Chanzon 1-1/4 tubing boasts an impressive shrink ratio of 3-1, meaning it reduces to one-third of its original diameter. It features a double-wall construction with internal adhesive for a reliable marine-grade waterproof seal.
- Safety and Eco-Friendly: Operating within a temperature range of -55 to 125℃ and suitable for up to 600 volts, our tubing ensures safety and reliability. Additionally, it complies with RECH/ROHS standards, guaranteeing it is free from harmful halogen and lead, prioritizing environmental and user safety.
- Safe & Eco-Friendly: With UL Listing for up to 600 volts and a working temperature of -55-125℃, this heat-shrink tube guarantees safe and reliable usage. It adheres to RECH/ROHS standards, ensuring it is free from halogen and lead, promoting safety for users and the environment.
- Double Wall Tubing: Our tubing is double-wall lined for enhanced durability. Upon the application of heat, the adhesive activates, creating a secure connection and providing marine-grade waterproof insulation, corrosion resistance, as well as protection against water, oil, and VW-1 Flame Retardants.
- Easy to Use: Simply choose the appropriate size, slide the shrink tubes over your connection point, and evenly apply heat with a hot air gun within the temperature range of 70-125℃.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CX1CJR59 |
| Batteries Required? | No |
| Best Sellers Rank | #3,580 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #18 in Industrial Heat-Shrink Tubing |
| Color | Black |
| Customer Reviews | 4.6 4.6 out of 5 stars (816) |
| Date First Available | April 17, 2023 |
| Item Weight | 5.81 pounds |
| Manufacturer | CHANZON |
| Material | lead |
| Package Dimensions | 11.81 x 11.81 x 5.59 inches |
| Part Number | RSG-3/1-DJ-30G-1-1/4-HEI-80FT |
| Size | 30mm(1-1/4")-80FT |
| Style | Black |

## Product Details

- **Brand:** CHANZON
- **Color:** Black
- **Item Length:** 80 Feet
- **Manufacturer:** CHANZON
- **Material:** lead
- **Nominal Wall Thickness:** 1.25 inches

## Images

![Chanzon 3:1 Ratio - 80Ft Roll - 1-1/4inch (30mm) Black Heat Shrink Tubing - Marine Grade, Waterproof, Dual Wall Adhesive Tubes 1pcs - Image 1](https://m.media-amazon.com/images/I/41gTi8nmhIL.jpg)
![Chanzon 3:1 Ratio - 80Ft Roll - 1-1/4inch (30mm) Black Heat Shrink Tubing - Marine Grade, Waterproof, Dual Wall Adhesive Tubes 1pcs - Image 2](https://m.media-amazon.com/images/I/711SANQ6dyL.jpg)
![Chanzon 3:1 Ratio - 80Ft Roll - 1-1/4inch (30mm) Black Heat Shrink Tubing - Marine Grade, Waterproof, Dual Wall Adhesive Tubes 1pcs - Image 3](https://m.media-amazon.com/images/I/71acYtpSGEL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect
*by K***A on June 26, 2024*

Clear marine grade 3:1 shrink ratio heat shrink tubing is a versatile and durable solution for protecting and insulating electrical connections, particularly in harsh marine environments. Here’s a review highlighting its key aspects: Features and Specifications • Shrink Ratio: The 3:1 shrink ratio means the tubing shrinks to one-third of its original diameter when heated, allowing it to conform tightly to irregular shapes and sizes. • Transparency: Being clear, this tubing allows for easy inspection of the underlying connections without needing to remove the tubing, ensuring that you can check for proper contact and corrosion. • Marine Grade: Designed to withstand harsh marine environments, this tubing is highly resistant to UV light, saltwater, chemicals, and abrasion, making it ideal for use on boats and other marine equipment. • Material Quality: Typically made from high-quality polyolefin, the tubing provides excellent insulation and mechanical protection, enhancing the longevity and reliability of electrical connections. Performance The 3:1 shrink ratio ensures a snug fit over varied connectors and irregular shapes, providing a watertight seal that protects against moisture and corrosion. The clear material is beneficial for ongoing maintenance, allowing visual inspections without removing the tubing. Users report that it shrinks evenly and adheres well to the surfaces, maintaining flexibility and strength even after shrinking. Ease of Use Clear marine grade heat shrink tubing is straightforward to use. Simply cut it to the desired length, slide it over the connection, and apply heat evenly using a heat gun or another suitable heat source. The tubing shrinks quickly and uniformly, forming a secure seal around the connection. Applications • Marine Wiring: Ideal for boats, yachts, and other marine vehicles where exposure to water and harsh conditions is a concern. • Automotive Wiring: Useful in automotive applications where protection from the elements and mechanical stress is required. • Electrical Repairs: Suitable for general electrical repairs and installations, providing a professional and durable finish. Pros and Cons Pros: • High shrink ratio allows for versatile use • Clear material for easy inspection • Excellent resistance to environmental factors • Durable and long-lasting protection Cons: • Requires a heat source for application • May be more expensive than standard heat shrink tubing Conclusion Clear marine grade 3:1 shrink ratio heat shrink tubing is a high-quality, reliable solution for protecting electrical connections in demanding environments. Its superior resistance to UV light, chemicals, and abrasion, combined with the convenience of being clear for inspections, makes it an excellent choice for marine and automotive applications. Despite the need for a heat source, its performance and durability offer great value for both professional and DIY use.

### ⭐⭐⭐⭐⭐ works good
*by A***E on December 6, 2025*

this shrinks well i did find the i need the next size down

### ⭐⭐⭐⭐⭐ Value for your money
*by J***R on December 27, 2025*

Very good product. Worked very well for the project I used it for. Will definitely use again.

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-02-10*