{"product_id":"4mm-heat-shrink-tubing-100-cm","title":"Heat Shrink Tube 4mm Red 1 meter","description":"\n\u003cdiv class=\"product_info\"\u003e\n\u003ch2 class=\"sing--sub-heading\"\u003e\u003cspan style=\"font-size: 18.72px;\"\u003eProduct Description\u003c\/span\u003e\u003c\/h2\u003e\nThe \u003cstrong\u003e4mm Heat Shrink Tubing 100cm \/ 1 Metre Red\u003c\/strong\u003e is a \u003cstrong\u003eflexible, flame-retardant electrical insulation sleeve\u003c\/strong\u003e designed to protect wires, solder joints, cable connections, and electronic components. Featuring a \u003cstrong\u003e4mm pre-shrink diameter and 100cm length\u003c\/strong\u003e, this tubing provides reliable \u003cstrong\u003eelectrical insulation, cable protection, and wire organization\u003c\/strong\u003e for electronics, automotive wiring, robotics, and DIY projects. Its \u003cstrong\u003ered colour\u003c\/strong\u003e is particularly useful for \u003cstrong\u003epositive polarity identification, cable marking, and organized wiring installations\u003c\/strong\u003e.\n\u003cbr\u003e\u003cbr\u003e\nMade from \u003cstrong\u003ehigh-quality polyolefin material\u003c\/strong\u003e, the tubing features a \u003cstrong\u003e2:1 shrink ratio\u003c\/strong\u003e, allowing its nominal diameter to reduce from \u003cstrong\u003e4mm to approximately 2mm\u003c\/strong\u003e when fully recovered. When suitable heat is applied, it contracts tightly around compatible wires and connections, creating a \u003cstrong\u003esecure, flexible, and professional insulating finish\u003c\/strong\u003e. With its \u003cstrong\u003eabrasion resistance, electrical insulation properties, and easy installation\u003c\/strong\u003e, this \u003cstrong\u003e1-metre heat shrink tube\u003c\/strong\u003e is suitable for multiple electrical repairs, cable assemblies, and electronic projects.\n\u003c\/div\u003e\n\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eTechnical Details\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003eItem Type: Heat Shrink Tubing\u003c\/li\u003e\n\u003cli\u003eProduct Type: Electrical Insulation Sleeve\u003c\/li\u003e\n\u003cli\u003ePre-shrink Diameter: 4mm\u003c\/li\u003e\n\u003cli\u003eShrink Ratio: 2:1\u003c\/li\u003e\n\u003cli\u003eRecovered Diameter: Approximately 2mm\u003c\/li\u003e\n\u003cli\u003eShrink Temperature: ≥ 70°C\u003c\/li\u003e\n\u003cli\u003eFull Recovery Temperature: ≥ 110°C\u003c\/li\u003e\n\u003cli\u003eMaterial: Polyolefin\u003c\/li\u003e\n\u003cli\u003eRated Voltage: 600V\u003c\/li\u003e\n\u003cli\u003eDielectric Strength: ≥ 15 kV\/mm\u003c\/li\u003e\n\u003cli\u003eOperating Temperature: -55°C to +125°C\u003c\/li\u003e\n\u003cli\u003eLength: 100cm (1 Metre)\u003c\/li\u003e\n\u003cli\u003eColour: Red\u003c\/li\u003e\n\u003cli\u003eInstallation Method: Heat Application\u003c\/li\u003e\n\u003cli\u003eApplication: Electrical Insulation and Wire Protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eFeatures\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003e4mm pre-shrink diameter with 2:1 shrink ratio\u003c\/li\u003e\n\u003cli\u003eFlexible and flame-retardant polyolefin material\u003c\/li\u003e\n\u003cli\u003eProvides effective electrical insulation and wire protection\u003c\/li\u003e\n\u003cli\u003eHelps protect connections from dust, moisture, and abrasion\u003c\/li\u003e\n\u003cli\u003eRed colour for positive polarity identification\u003c\/li\u003e\n\u003cli\u003eSuitable for covering solder joints and cable connections\u003c\/li\u003e\n\u003cli\u003eLightweight and flexible tubular construction\u003c\/li\u003e\n\u003cli\u003eEasy to cut into smaller sections as required\u003c\/li\u003e\n\u003cli\u003eShrinks uniformly when suitable heat is applied\u003c\/li\u003e\n\u003cli\u003e100cm length suitable for multiple wiring projects\u003c\/li\u003e\n\u003cli\u003eIdeal for DIY electronics, robotics, and electrical maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eWorking Principle\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\nThe \u003cstrong\u003e4mm Heat Shrink Tubing\u003c\/strong\u003e operates on the principle of \u003cstrong\u003eheat-induced polymer contraction\u003c\/strong\u003e. It is manufactured from specially processed \u003cstrong\u003epolyolefin material\u003c\/strong\u003e that shrinks when exposed to an appropriate temperature.\n\u003cbr\u003e\u003cbr\u003e\nWhen heat is applied evenly using a \u003cstrong\u003eheat gun or suitable heating tool\u003c\/strong\u003e, the tubing begins to contract around the wire, soldered joint, or electrical connection. With a \u003cstrong\u003e2:1 shrink ratio\u003c\/strong\u003e, its nominal diameter can reduce from \u003cstrong\u003e4mm to approximately 2mm\u003c\/strong\u003e, forming a close-fitting protective sleeve.\n\u003cbr\u003e\u003cbr\u003e\nAfter cooling, the tubing retains its reduced diameter and provides a \u003cstrong\u003eflexible insulating layer\u003c\/strong\u003e that helps prevent accidental electrical contact, minor mechanical damage, and wire abrasion. Its \u003cstrong\u003ered colour\u003c\/strong\u003e also helps identify positive electrical connections and organize wiring systems.\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eApplications\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003eElectrical wire insulation and protection\u003c\/li\u003e\n\u003cli\u003eCovering and insulating solder joints\u003c\/li\u003e\n\u003cli\u003ePositive battery terminal wire identification\u003c\/li\u003e\n\u003cli\u003eCable bundling and colour-coded wiring\u003c\/li\u003e\n\u003cli\u003eAutomotive electrical wiring applications\u003c\/li\u003e\n\u003cli\u003eDIY electronics and STEM projects\u003c\/li\u003e\n\u003cli\u003eArduino and Raspberry Pi wiring projects\u003c\/li\u003e\n\u003cli\u003eRobotics and automation systems\u003c\/li\u003e\n\u003cli\u003eRC drone and aircraft wiring\u003c\/li\u003e\n\u003cli\u003eBattery connector and cable insulation\u003c\/li\u003e\n\u003cli\u003eHome appliance repair and maintenance\u003c\/li\u003e\n\u003cli\u003eIndustrial control panel wiring\u003c\/li\u003e\n\u003cli\u003eElectronic component and terminal protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003ePhysical Attributes\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003eNominal Diameter (Before Shrink): 4mm\u003c\/li\u003e\n\u003cli\u003eRecovered Diameter (After Shrink): Approximately 2mm\u003c\/li\u003e\n\u003cli\u003eWall Thickness (After Shrink): Approximately 0.5mm\u003c\/li\u003e\n\u003cli\u003eLength: 100cm (1000mm)\u003c\/li\u003e\n\u003cli\u003eColour: Red\u003c\/li\u003e\n\u003cli\u003eMaterial: Flexible Polyolefin\u003c\/li\u003e\n\u003cli\u003eShape: Hollow Cylindrical Tube\u003c\/li\u003e\n\u003cli\u003eSurface: Smooth Finish\u003c\/li\u003e\n\u003cli\u003eConstruction: Lightweight and Flexible\u003c\/li\u003e\n\u003cli\u003eCuttable: Yes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eInstallation and Usage Instructions\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003eDisconnect the electrical power supply before installation.\u003c\/li\u003e\n\u003cli\u003eMeasure the wire or connection requiring insulation.\u003c\/li\u003e\n\u003cli\u003eCut the heat shrink tubing to the required length.\u003c\/li\u003e\n\u003cli\u003eSlide the tubing over the wire before completing the connection.\u003c\/li\u003e\n\u003cli\u003eComplete the soldered or mechanical wire connection properly.\u003c\/li\u003e\n\u003cli\u003ePosition the tubing centrally over the exposed joint.\u003c\/li\u003e\n\u003cli\u003eApply heat evenly using a temperature-controlled heat gun.\u003c\/li\u003e\n\u003cli\u003eMove the heat gun continuously to prevent localized overheating.\u003c\/li\u003e\n\u003cli\u003eAllow the tubing to shrink securely around the wire or connection.\u003c\/li\u003e\n\u003cli\u003eRemove the heat source once the tubing fits properly.\u003c\/li\u003e\n\u003cli\u003eAllow the tubing to cool before handling.\u003c\/li\u003e\n\u003cli\u003eInspect the insulation before reconnecting electrical power.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eFrequently Asked Questions (FAQs)\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is the diameter of this heat shrink tubing?\u003c\/strong\u003e The tubing has a nominal pre-shrink diameter of 4mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is the total length?\u003c\/strong\u003e The tube is 100cm or 1 metre long.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is the shrink ratio?\u003c\/strong\u003e It has a 2:1 shrink ratio, reducing its nominal diameter from 4mm to approximately 2mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat material is used?\u003c\/strong\u003e It is made from flexible polyolefin material.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat temperature is required for shrinking?\u003c\/strong\u003e Shrinking begins at approximately 70°C, with full recovery at approximately 110°C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCan it be used for electrical insulation?\u003c\/strong\u003e Yes, it is suitable for insulating compatible wires, solder joints, and electrical connections within its specified ratings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhy is the tubing red?\u003c\/strong\u003e Red tubing is useful for identifying positive polarity wires and colour-coding electrical connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCan I cut the tubing into smaller pieces?\u003c\/strong\u003e Yes, it can be easily cut according to the required length.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhich tool is recommended for shrinking?\u003c\/strong\u003e A temperature-controlled heat gun is recommended for uniform heating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCan it be used for battery connections?\u003c\/strong\u003e Yes, provided the tubing size and electrical insulation rating are suitable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs it suitable for electronics and robotics projects?\u003c\/strong\u003e Yes, it is suitable for DIY electronics, robotics, RC models, and wiring applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCan the tubing be reused after shrinking?\u003c\/strong\u003e No, the shrinking process is not normally reversible.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs the tubing waterproof?\u003c\/strong\u003e Standard heat shrink tubing offers limited moisture protection but does not guarantee a waterproof seal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is included in the package?\u003c\/strong\u003e One 100cm length of 4mm red heat shrink tubing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eSafety Precautions\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003eAlways disconnect electrical power before installation.\u003c\/li\u003e\n\u003cli\u003eUse a suitable heat gun with controlled temperature.\u003c\/li\u003e\n\u003cli\u003eDo not touch the tubing immediately after heating.\u003c\/li\u003e\n\u003cli\u003eAvoid overheating or burning the insulating material.\u003c\/li\u003e\n\u003cli\u003eKeep heating tools away from flammable objects.\u003c\/li\u003e\n\u003cli\u003eUse the tubing within its specified electrical and temperature ratings.\u003c\/li\u003e\n\u003cli\u003eEnsure that all exposed electrical connections are properly insulated.\u003c\/li\u003e\n\u003cli\u003eDo not use damaged or burnt heat shrink tubing.\u003c\/li\u003e\n\u003cli\u003eAllow the tubing to cool before handling the connection.\u003c\/li\u003e\n\u003cli\u003eDo not rely on standard tubing alone for waterproof sealing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003ePackage Includes\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003e1 × Heat Shrink Tubing 4mm Red – 100cm \/ 1 Metre\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n","brand":"KitsGuru","offers":[{"title":"Default Title","offer_id":42193101881596,"sku":"KG253","price":49.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/2130\/4757\/files\/HeatShrinkTube4mmRed1meter.jpg?v=1753264443","url":"https:\/\/kitsguru.com\/fr\/products\/4mm-heat-shrink-tubing-100-cm","provider":"KitsGuru","version":"1.0","type":"link"}