--- product_id: 431179810 title: "Wirefy 1/4\" Heat Shrink Tubing - 4:1 Ratio - Adhesive Lined - Marine Grade Heat Shrink - 50 Feet Roll - Black" brand: "wirefy" price: "€ 88.26" currency: EUR in_stock: true reviews_count: 5 url: https://www.desertcart.hr/products/431179810-wirefy-1-4-heat-shrink-tubing-4-1-ratio-adhesive store_origin: HR region: Croatia --- # 4:1 shrink ratio for tight seal Dual-wall abrasion & strain relief Adhesive-lined for waterproof protection Wirefy 1/4" Heat Shrink Tubing - 4:1 Ratio - Adhesive Lined - Marine Grade Heat Shrink - 50 Feet Roll - Black **Brand:** wirefy **Price:** € 88.26 **Availability:** βœ… In Stock ## Summary > πŸ”₯ Seal it tight, protect it right! πŸ› οΈ ## Quick Answers - **What is this?** Wirefy 1/4" Heat Shrink Tubing - 4:1 Ratio - Adhesive Lined - Marine Grade Heat Shrink - 50 Feet Roll - Black by wirefy - **How much does it cost?** € 88.26 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/431179810-wirefy-1-4-heat-shrink-tubing-4-1-ratio-adhesive) ## 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 - β€’ **Dual-Layer Durability:** Outer wall resists abrasion while inner adhesive layer provides strain relief and a secure seal. - β€’ **Precision 4:1 Shrink Ratio:** Ensures a snug fit down to 1/4 original diameter, outperforming standard 3:1 tubing. - β€’ **UL Listed Industrial Grade:** Meets SGS, RoHS, Reach, and ISO9001 standards for professional reliability and safety. - β€’ **Built-in Waterproof Adhesive:** Heat-activated glue seals connections, blocking moisture and enhancing durability. - β€’ **Versatile 1/4" Diameter Roll:** 50 feet of premium black tubing perfect for marine, automotive, and DIY electrical projects. ## Overview Wirefy 1/4" Heat Shrink Tubing offers a superior 4:1 shrink ratio with adhesive lining for waterproof, abrasion-resistant, and strain-relieved electrical insulation. This 50-foot marine-grade roll is UL listed and ideal for professional-grade wire repairs and protection across automotive, marine, and home projects. ## Description Super Versatile Heat Shrink Tubing Are you looking to fix a damaged wire, seal out moisture, or provide enhanced strain relief? Wirefy waterproof heat shrink tubing is an easy to use solution that can be used in automotive, marine, hobby RC, and home electrical wiring projects. It can be used in a variety of applications such as: -Electrical insulation (wire repairs, insulating electrical terminals wires, protecting charging cables, insulating solder joints) -Environmental seal to protect from moisture, UV, fuel and chemicals -Strain relief for electrical terminals -Identifying wires and cables (color-coding) -Grouping loose wires (usually in wire harnesses) -Creating thermal insulation for heat sensitive components -Protecting surfaces against abrasion, peeling, and denting 4:1 Shrink Ratio Shrink Tube When heat is applied, this wire shrink wrap tubing will recover to a 1/4 of its original diameter. Its high recovery ratio makes it possible to repair most damaged cable jackets without removing connectors. Therefore, 4:1 shrink ratio tubing can be used in significantly more applications compared to 2:1, and 4:1 shrink ratio tubing. Heat Activated Adhesive Lining This is a waterproof shrink tubing with the internal adhesive layer. When heat is applied, a small fillet of clear adhesive (about 1 mm wide) becomes visible at the ends of the heated tubing. When cooled down, it forms a rigid seal. Heat activated glue strongly bonds to wires, terminals or any other surfaces. When adhesive flows, it pushes the air out and fills any gaps between the wire and the tubing, which makes the connection waterproof. For best results we recommend using a heat gun. UL Listed This industrial grade heat shrinkable tubing is UL listed and is compliant with all relevant electrical standards such as: SGS, RoHS, Reach, and ISO9001. ## Features - 4:1 SHRINK RATIO - Recovers to 1/4 of its original diameter, and makes a tight seal. Eliminates the problem of 3:1 tubing not shrinking tight enough. The perfect black heat shrink roll. Experience our Adhesive Lined heat shrink tubing roll. - GLUE INSIDE - When heat is applied, adhesive comes out and seals the connection, creating resistant and long-lasting insulation. Our industrial heat-shrink tubing is a must have for every DIY enthusiast. Get to know our adhesive heat shrink tubing. - EASY TO USE - Simply slide heat shrink with adhesive over your connection point and apply heat. Professional connections made in seconds. Explore our electrical black heat shrink tubing, also usable as electrical shrink wrap tubing. - DUAL WALL TUBING - Outer wall provides abrasion resistance. Inner wall creates resistant seal and strain relief. Also included in the set are small heat shrink tubing pieces. With our waterproof heat shrink tubing you are able to fix every wire. - 1/4" (6.0mm) SHRINK TUBING DIAMETER - Get the exact diameter you need. 50 Feet of shrink tubing will last through many projects. Experience our heat shrink tube, wire shrink wrap tubing, heat shrink wire tubing and wire heat shrink tubing. ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B09NW8HZKV | | Date First Available | 10 April 2022 | | Item Model Number | Wirefy-DW41-6-B | | Manufacturer | Wirefy | | Product Dimensions | 19 x 6.5 x 19 cm; 280 g | ## Product Details - **Brand:** Wirefy - **Colour:** Black - **Material:** Polyolefin - **Maximum pressure:** 10 Bars - **Product dimensions:** 15.24L x 0.01W Meters ## Images ![Wirefy 1/4" Heat Shrink Tubing - 4:1 Ratio - Adhesive Lined - Marine Grade Heat Shrink - 50 Feet Roll - Black - Image 1](https://m.media-amazon.com/images/I/71kQ7j--HYL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Questions & Answers **Q: Air tight? Was thinking about using this to cover flare fittings on a mini-split hvac for support.** A: Hi, Yes, our heat shrink tubing is air tight. If you have any other questions, please feel free to send us a direct message. **Q: what size should i get to fit (3) 10AWG wires to make an extension cord ?** A: Depending on the type of wire and how thick the casing on the 10 gage wire. You might get away with 3/8 but I think it would be very tight, especially if long. So be safe and use 1/2 inch.. You will b fine. Look a the wire you are getting at its specs. It should tell you major dia. Add the 3 up. 2/3rds of you total will be bare minimum . But remeber if you make it to tight before shrinking. It will be hard to slide wire through. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Super high-quality tubing and 4:1 is awesome *by on Reviewed in the United States 10 August 2022* This is some of the best heat shrink tubing I've used. It's thick, has lots of glue in it, easy to shrink, and the 4:1 shrink factor is great and a real upgrade over the 3:1 you commonly see. The biggest advantages of 4:1 are that you're able to slide it over larger things attached to the cable (such as terminals, etc) that 3:1 may not shrink enough on, and also that 4:1 allows you to use it over a larger range of sizes of materials. That way you don't have to stock as many sizes of tubing.I've got a ton of the kits that have an assortment of sizes in it that are precut. I seem to always go through the larger sizes first and end up with a bunch of the little ones left over that I never seem to use. The precut pieces are also too short sometimes. So, in summary, this is great quality tubing that is usable across a wide range of sizes, and you can cut it to the exact length you need. ### ⭐⭐⭐⭐⭐ The good stuff *by on Reviewed in the United States 23 February 2025* Shrinks up really well- I used it to hold two battery cables together for the RV. The glue does a great job of expanding to create a watertight seal between two cables. ### ⭐⭐⭐⭐⭐ Exactly what I thought I was getting. *by on Reviewed in the United States 25 July 2022* I usedit to reconstruct equipment harness’. ## Frequently Bought Together - Wirefy 1/4" Heat Shrink Tubing - 4:1 Ratio - Adhesive Lined - Marine Grade Heat Shrink - 50 Feet Roll - Black - Wirefy 1/8" Heat Shrink Tubing - 3:1 Ratio - Adhesive Lined - a resistant Heat Shrink - Black - 50 Feet Roll --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/431179810-wirefy-1-4-heat-shrink-tubing-4-1-ratio-adhesive](https://www.desertcart.hr/products/431179810-wirefy-1-4-heat-shrink-tubing-4-1-ratio-adhesive) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-07-16*