--- product_id: 383743856 title: "3/4\" Heat Shrink Tubing - Large Diameter - 3:1 Ratio - Adhesive Lined - Industrial Heat-Shrink Tubing - Black - 50 Feet Roll" brand: "wirefy" price: "VT23728" currency: VUV in_stock: true url: https://www.desertcart.vu/products/383743856-3-4-heat-shrink-tubing-large-diameter-3-1-ratio store_origin: VU region: Vanuatu --- # Adhesive Lined 3:1 Shrink Ratio Dual Wall Protection 3/4" Heat Shrink Tubing - Large Diameter - 3:1 Ratio - Adhesive Lined - Industrial Heat-Shrink Tubing - Black - 50 Feet Roll **Brand:** wirefy **Price:** VT23728 **Availability:** ✅ In Stock ## Summary > 🔧 Shrink it, seal it, and forget it! ## Quick Answers - **What is this?** 3/4" Heat Shrink Tubing - Large Diameter - 3:1 Ratio - Adhesive Lined - Industrial Heat-Shrink Tubing - Black - 50 Feet Roll by wirefy - **How much does it cost?** VT23728 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/383743856-3-4-heat-shrink-tubing-large-diameter-3-1-ratio) ## Best For - wirefy enthusiasts ## Why This Product - Trusted wirefy brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Quick & Easy:** Transform your projects in seconds with simple heat application. - • **Seal the Deal:** Achieve a perfect fit with a 3:1 shrink ratio for ultimate insulation. - • **Durable Design:** Marine-grade tubing resists wear, heat, and fluids for long-lasting performance. - • **Generous Length:** 50 feet of premium tubing means you're ready for any project that comes your way. - • **Waterproof Wonder:** Adhesive lining ensures your connections are sealed tight against moisture. ## Overview Wirefy's 3/4" Heat Shrink Tubing offers a robust solution for professional-grade insulation. With a 3:1 shrink ratio and adhesive lining, this 50-foot roll ensures waterproof, durable connections that stand the test of time. Ideal for various applications, this dual-wall tubing is resistant to heat, fluids, and mechanical stress, making it a must-have for any toolkit. ## Description Wirefy 3/4" Heat Shrink Tubing - Large Diameter - 3:1 Ratio - Adhesive Lined - Industrial Heat-Shrink Tubing - Black - 50 Feet Roll ## Features - 3:1 SHRINK RATIO - Recovers to 1/3 of its original diameter, and makes a tight seal. Eliminates the problem of 2:1 tubing not shrinking tight enough. - GLUE INSIDE - When heat is applied, adhesive comes out and seals the connection. This creates waterproof and long-lasting insulation. - EASY TO USE - Simply slide heat shrink tube over your connection point and apply heat. Make professional insulated connections in seconds. - DUAL WALL TUBING - Provides enhanced protection from wear and tear. Marine grade tubing is resistant to fluids, heat, and mechanical stretch. - 3/4 INCH (19.1mm) SHRINK TUBING DIAMETER - Get the exact diameter you need. 50 Feet of shrink tubing will last through many projects. ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | Wirefy | | Part Number | Wirefy-DWT-19.1-B | | Product Dimensions | 1524 x 1.91 x 0.25 cm; 989 g | | Item model number | Wirefy-DWT-19.1-B | | Size | 3/4" - 50 Feet | | Colour | Black | | Style | Black | | Material | Polyolefin | | Voltage | 600 Volts (AC) | | Item Package Quantity | 1 | | Measurement System | Inch | | Certification | UL | | Batteries included? | No | | Batteries Required? | No | | Item Weight | 989 g | ## Product Details - **Brand:** Wirefy - **Material:** Polyolefin - **Colour:** Black - **Product dimensions:** 15.24L x 0.02W metres - **Maximum pressure:** 10 Bars - **Nominal wall thickness:** 1,25 inch - **Outside diameter:** 19.1 Millimetres - **Item length:** 600 Inches - **UPC:** 850026973068 - **Manufacturer:** Wirefy ## Images ![3/4" Heat Shrink Tubing - Large Diameter - 3:1 Ratio - Adhesive Lined - Industrial Heat-Shrink Tubing - Black - 50 Feet Roll - Image 1](https://m.media-amazon.com/images/I/81rdOCp7Z6L.jpg) ## Available Options This product comes in different **Color, Size** options. ## Questions & Answers **Q: How flexible is the heat shrink once recovered? I am using it to group wires for a wiring loom/harness and my current heat shrink is very inflexible.** A: Probably the best one have ever tried not over flexible but not as brittle as over ones.little tip all ways try to use the smallest size you can as less shrinking the more flexibility it retains. **Q: Does it come in white** A: Its available in Red and Black. **Q: Is the tubing black or does it have printing on it all along the tubing ?** A: Thank you for your question. The tubing is black and there is printing on it. ## Frequently Bought Together - Wirefy 3/4" Heat Shrink Tubing - Large Diameter - 3:1 Ratio - Adhesive Lined - Industrial Heat-Shrink Tubing - Black - 50 Feet Roll - Wirefy Heat Shrink Wire Connectors Kit - Marine Grade Electrical Connectors - Automotive Butt Connectors - Insulated Ring, Spade, Fork, Hook Crimp Terminals - 22-10 Gauge - 270 PCS - Crimping Tool for Heat Shrink Connectors - Ratcheting Wire Crimper - Crimping Pliers - Ratchet Terminal Crimper - Wire Crimp Tool by Wirefy --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vu/products/383743856-3-4-heat-shrink-tubing-large-diameter-3-1-ratio](https://www.desertcart.vu/products/383743856-3-4-heat-shrink-tubing-large-diameter-3-1-ratio) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-05-07*