--- product_id: 407401597 title: "GFORTUN 3.5Ft 3: 1 Shrinking Ratio Black Heat Shrink Tubing Dual Wall Adhesive Lined Heat Shrink Tubing Roll Tube Electrical Cable Wire Sleeving Wrap Dia 30mm (1-1/4'')" brand: "gfortun" price: "R396" currency: ZAR in_stock: true reviews_count: 6 url: https://www.desertcart.co.za/products/407401597-gfortun-3-5ft-3-1-shrinking-ratio-black-heat-shrink store_origin: ZA region: South Africa --- # 3:1 Shrink Ratio RoHS Compliant Waterproof GFORTUN 3.5Ft 3: 1 Shrinking Ratio Black Heat Shrink Tubing Dual Wall Adhesive Lined Heat Shrink Tubing Roll Tube Electrical Cable Wire Sleeving Wrap Dia 30mm (1-1/4'') **Brand:** gfortun **Price:** R396 **Availability:** ✅ In Stock ## Summary > 🔥 Shrink it like you mean it! ## Quick Answers - **What is this?** GFORTUN 3.5Ft 3: 1 Shrinking Ratio Black Heat Shrink Tubing Dual Wall Adhesive Lined Heat Shrink Tubing Roll Tube Electrical Cable Wire Sleeving Wrap Dia 30mm (1-1/4'') by gfortun - **How much does it cost?** R396 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/407401597-gfortun-3-5ft-3-1-shrinking-ratio-black-heat-shrink) ## Best For - gfortun enthusiasts ## Why This Product - Trusted gfortun brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Rapid Shrinkage:** Heat it up and watch it shrink fast! - • **Durable & Reliable:** Resistant to acids and low temperatures. - • **Eco-Friendly Choice:** Complies with RoHS standards for a greener planet. - • **Dual-Wall Protection:** Adhesive lining ensures a secure seal. - • **Unmatched Versatility:** Perfect for a variety of electrical applications. ## Overview The GFORTUN 3.5Ft Dual-Wall Adhesive Lined Heat Shrink Tubing is designed for professionals seeking reliable insulation and protection for electrical cables. With a 3:1 shrink ratio and a diameter of 30mm, this tubing is waterproof, acid-resistant, and environmentally friendly, making it an essential tool for any project. ## Description Dual-Wall 3:1 Adhesive Glue Lined Black Heat Shrink Tubing Tube 3.5Ft; Material: polyolefin; Main Color: Black; Shrink Ratio: 3:1; Round diameter:30mm (1-1/4'') ; Total Length: 1.1M/3.5Ft; Rated voltage: 600V; Beginning shrinking temperature: 80C; Package include: 1 X 3:1 Dia1-1/4 '' Heat Shrink Tubing 3.5Ft;ADVANTAGE: Tough flame-retardant polyolefin tubing lined withal flame-retardant adhesive provides the optimum solution for applications where full flame retardant is preferred. FEATURE: 3:1 dual-wall, adhesive lined, waterproof, insulation, soft, stable performance, low temperature shrinkage, shrinking fast, acid resistance, RoSH standard and environmental friendly. etc. APPLIANCE: Used for Appliance/Auto Electric Wire Cable Harness protection. The 3:1 Dual wall heat shrink tubing is suitable for shrinking and sealing connectors, wires, and cords which will be exposed to harsh environments. Also mainly used in wire connection, rust prevention and corrosion protection of solder joints, protection and insulation processing of appliance/auto electric cable end wiring harness wrapping and electronic components. HOW TO USE: 1. At First choose the right size tubes, as it is 3:1 heat shrink ratio, and will shrink up to 1/3 of original diameter, please measure diameter of wire which is equal to the size of tube after shrinking. 2. Wrap the cable wire with the tube, then use a lighter heating if the tube is small or hair dryer, hot air gun heating for large one until the wire was wrapped tightly. 3. Be careful and do not touch the tube until it becomes cool. ## Features - Dual-Wall 3:1 Adhesive Black Heat Shrink Tubing Tube 3.5Ft; - Material: polyolefin; Main color: Black; - Shrink Ratio: 3:1; Round diameter: 30mm (1-1/4'') ; Total Length: 1.1M/3.5Ft; - Please use a lighter, hair dryer or heat gun to heat it and don't touch it until it becomes cool; - 3:1 dual-wall, adhesive lined, waterproof, insulation, soft, stable performance, low temperature shrinkage, shrinking fast, acid resistance, RoSH standard and environmental friendly etc. ## Images ![GFORTUN 3.5Ft 3: 1 Shrinking Ratio Black Heat Shrink Tubing Dual Wall Adhesive Lined Heat Shrink Tubing Roll Tube Electrical Cable Wire Sleeving Wrap Dia 30mm (1-1/4'') - Image 1](https://m.media-amazon.com/images/I/518Qk4g6+KL.jpg) ![GFORTUN 3.5Ft 3: 1 Shrinking Ratio Black Heat Shrink Tubing Dual Wall Adhesive Lined Heat Shrink Tubing Roll Tube Electrical Cable Wire Sleeving Wrap Dia 30mm (1-1/4'') - Image 2](https://m.media-amazon.com/images/I/51aheWch25L.jpg) ## Customer Reviews ### ⭐⭐ shrinks a little not the 3 to 1 ratio it cliams hence wont fit smaller diameter pipe *by R***H on Reviewed in the United Arab Emirates on 7 June 2022* sturdy product but does not shrink as it says best is 2 to 1 ### ⭐⭐⭐ Shrink ratio 2.5:1, and not 3:1 as advertized *by A***R on Reviewed in Canada on 15 April 2021* Besides, the misadvertised shrink ratio, the plastic is too hard and in its shrunk state won't wrap tightly around uneven shapes. I think it was designed for even and round shapes only.The inner layer of adhesive cures well and clings well to whatever it can wrap around, but like I said, not to uneven shapes.Summary - recommended for even and round shapes only, and not for the uneven ones. ### ⭐⭐⭐⭐⭐ Perfect *by D***N on Reviewed in Canada on 17 February 2019* Perfect size for larger ceramic marettes and stove block replacement --- ## 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.co.za/products/407401597-gfortun-3-5ft-3-1-shrinking-ratio-black-heat-shrink](https://www.desertcart.co.za/products/407401597-gfortun-3-5ft-3-1-shrinking-ratio-black-heat-shrink) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-04-25*