{"product_id":"1-5mm-heat-shrink-tube-wire-sleeve","title":"1.5mm Heat Shrink Tube – 2:1 \u0026 3:1 Ratio Wire Sleeve, 13 Colors","description":"\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I choose the right length of heat shrink tubing for my project?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Measure the section of wire or connector you need to cover, then add at least 5–10mm (about 1\/4\\u2033–3\/8\\u2033) on each end for overlap. For a 1.5mm tube, this typically means cutting pieces in the range of 20–50mm (≈3\/4\\u2033–2\\u2033) for most wire-splice applications. Always cut slightly longer than needed — you can trim excess after shrinking.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the difference between 2:1 and 3:1 shrink ratio?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"A 2:1 ratio means the tubing shrinks to half its original diameter when heated. A 3:1 ratio shrinks to one-third, making it better suited for irregular shapes, connectors, or situations where you need a tighter, more conforming fit. For a 1.5mm tube at 2:1, the recovered diameter is typically around 0.75mm; at 3:1, it recovers to approximately 0.5mm.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How much heat does this tubing require to shrink?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Standard polyolefin heat shrink tubing generally activates at temperatures around 90°C (194°F) and fully recovers by 120°C (248°F). A heat gun set to low or medium is the most reliable tool. You can also use a lighter carefully, but a heat gun gives more even results and reduces the risk of scorching.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this heat shrink tubing suitable for outdoor or wet environments?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Standard polyolefin tubing (Black, White, Red, and most colors) provides good moisture resistance for general indoor and light outdoor use. The Transparent-PTFE variant offers significantly higher chemical and temperature resistance, making it a better choice for harsh outdoor, automotive, or industrial environments. For fully waterproof sealing, consider adhesive-lined heat shrink tubing instead.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What wire gauge does 1.5mm heat shrink tubing fit?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"A 1.5mm inner diameter tube generally fits wires in the range of AWG 26–22 (approximately 0.4mm–0.6mm conductor diameter) before shrinking. Always verify your wire's outer diameter — including insulation — is smaller than 1.5mm to ensure the tube slides on easily before heat is applied.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I use this tubing for automotive wiring repairs?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes, polyolefin heat shrink tubing is commonly used in automotive wiring for splices, terminal insulation, and wire bundling. For engine-bay applications where temperatures and chemical exposure are higher, the Transparent-PTFE variant is generally the better choice due to its wider operating temperature range and chemical resistance.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I choose the right color for my application?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Color-coding is a practical way to identify wire functions at a glance. Common conventions include red for positive\/power, black for ground\/negative, blue for signal, yellow for caution circuits, and green for earth\/ground. Transparent tubing lets you see the wire or label underneath, while Bright Black and Gray are popular for a clean, professional finish in electronics builds.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003cdiv class=\"hdiy-desc\"\u003e\n\n  \u003cdiv class=\"hdiy-overview\"\u003e\n    \u003ch2\u003e1.5mm Heat Shrink Tubing — Reliable Wire Insulation for Tight Spaces\u003c\/h2\u003e\n    \u003cp\u003eAnyone who has wrestled with frayed wire ends, exposed solder joints, or tangled harnesses knows how quickly a small wiring job can become a frustrating mess. Whether you're a hobbyist repairing electronics, an auto enthusiast tidying up a custom harness, or a professional electrician finishing a clean install, having the right 1.5mm heat shrink tubing on hand makes the difference between a job that looks done and one that looks done right.\u003c\/p\u003e\n    \u003cp\u003eEach pack contains either 5 or 10 pieces of heat shrink tubing with a 1.5mm inner diameter (before shrinking). Available in two shrink ratios — \u003cstrong\u003e2:1\u003c\/strong\u003e and \u003cstrong\u003e3:1\u003c\/strong\u003e — and in 13 colors including Black, White, Red, Green, Yellow, Blue, Transparent, Brown, Orange, Purple, Gray, Bright Black, and Transparent-PTFE. Most variants are made from flexible polyolefin; the Transparent-PTFE option uses PTFE material for higher temperature and chemical resistance. Tubing length per piece may vary by color\/variant — see variant options for specifics.\u003c\/p\u003e\n    \u003cp\u003eTypical use cases include insulating wire splices and solder joints in DIY electronics projects, color-coding automotive wiring harnesses for easy identification, protecting small connectors and terminals in RC models or drones, and bundling fine gauge wires in home appliance repairs where a neat, professional finish matters.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-compat\"\u003e\n    \u003cspan class=\"hdiy-compat-icon\"\u003e🔌\u003c\/span\u003e\n    \u003cstrong\u003eCompatibility:\u003c\/strong\u003e Fits wires with an outer diameter under 1.5mm (typically AWG 26–22). Verify your wire OD before ordering. The 2:1 ratio recovers to approximately 0.75mm; the 3:1 ratio recovers to approximately 0.5mm.\n  \u003c\/div\u003e\n\n  \u003ch2\u003e✅ Key Features of These 1.5mm Heat Shrink Tubes\u003c\/h2\u003e\n  \u003cul class=\"hdiy-features\"\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🎨\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003e13 Color Options\u003c\/strong\u003e — From standard Black and White to Transparent-PTFE, color-code your wiring harness or match any project aesthetic without ordering from multiple suppliers.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔥\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eDual Shrink Ratio\u003c\/strong\u003e — Choose 2:1 for standard wire insulation or 3:1 for a tighter, more conforming fit over connectors and irregular shapes — both available in the same product listing.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚡\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eElectrical Insulation\u003c\/strong\u003e — Polyolefin construction provides solid dielectric protection for low-voltage wire splices, solder joints, and terminal connections in electronics and automotive applications.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🌡️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003ePTFE Variant for Harsh Environments\u003c\/strong\u003e — The Transparent-PTFE option handles higher operating temperatures and chemical exposure, making it suitable for engine-bay wiring, lab equipment, and industrial use.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e✂️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eEasy to Cut and Apply\u003c\/strong\u003e — Flexible tubing slides onto wire ends smoothly before shrinking; a standard heat gun or even a lighter activates the shrink quickly and evenly for a snug, clean finish.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eFlexible Pack Sizes\u003c\/strong\u003e — Order 5-piece packs to sample colors or test fit, or choose 10-piece packs for ongoing projects — ideal for keeping a tidy wire management kit stocked without over-buying.\u003c\/span\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003e📐 Technical Specifications — 1.5mm Heat Shrink Tubing\u003c\/h2\u003e\n  \u003cdiv class=\"hdiy-table-wrap\"\u003e\n    \u003ctable\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003cth\u003eInner Diameter (before shrink)\u003c\/th\u003e\n\u003ctd\u003e1.5mm (≈1\/16\")\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eShrink Ratio\u003c\/th\u003e\n\u003ctd\u003e2:1 or 3:1 (see variant options)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eRecovered Inner Diameter\u003c\/th\u003e\n\u003ctd\u003e~0.75mm (2:1) \/ ~0.5mm (3:1)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePolyolefin (most colors); PTFE (Transparent-PTFE variant)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eActivation Temperature\u003c\/th\u003e\n\u003ctd\u003eTypically 90°C–120°C (194°F–248°F) for polyolefin\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eAvailable Colors\u003c\/th\u003e\n\u003ctd\u003eBlack, White, Red, Green, Yellow, Blue, Transparent, Brown, Orange, Purple, Gray, Bright Black, Transparent-PTFE\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e5 pcs or 10 pcs (see variant options)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003ePiece Length\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eSuitable Wire Gauge\u003c\/th\u003e\n\u003ctd\u003eTypically AWG 26–22 (outer diameter under 1.5mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003ctd\u003eWire insulation, splice protection, terminal covering, wire bundling\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eFlexibility\u003c\/th\u003e\n\u003ctd\u003eFlexible after shrinking (polyolefin); semi-rigid (PTFE)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCountry of Origin\u003c\/th\u003e\n\u003ctd\u003eContact us to confirm\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-note\"\u003e\n    \u003cspan class=\"hdiy-note-icon\"\u003e⚠️\u003c\/span\u003e\n    \u003cstrong\u003eSizing note:\u003c\/strong\u003e Always measure your wire's outer diameter (including insulation) before ordering. The 1.5mm inner diameter must be larger than your wire OD for the tube to slide on before shrinking.\n  \u003c\/div\u003e\n\n  \u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n  \u003cdiv class=\"hdiy-faq\"\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow do I choose the right length of heat shrink tubing for my project?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eMeasure the section of wire or connector you need to cover, then add at least 5–10mm (about 1\/4\"–3\/8\") on each end for overlap. For a 1.5mm tube, this typically means cutting pieces in the range of 20–50mm (≈3\/4\"–2\") for most wire-splice applications. Always cut slightly longer than needed — you can trim excess after shrinking.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat is the difference between 2:1 and 3:1 shrink ratio?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eA 2:1 ratio means the tubing shrinks to half its original diameter when heated. A 3:1 ratio shrinks to one-third, making it better suited for irregular shapes, connectors, or situations where you need a tighter, more conforming fit. For a 1.5mm tube at 2:1, the recovered diameter is typically around 0.75mm; at 3:1, it recovers to approximately 0.5mm.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow much heat does this tubing require to shrink?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eStandard polyolefin heat shrink tubing generally activates at temperatures around 90°C (194°F) and fully recovers by 120°C (248°F). A heat gun set to low or medium is the most reliable tool. You can also use a lighter carefully, but a heat gun gives more even results and reduces the risk of scorching.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eIs this heat shrink tubing suitable for outdoor or wet environments?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eStandard polyolefin tubing (Black, White, Red, and most colors) provides good moisture resistance for general indoor and light outdoor use. The Transparent-PTFE variant offers significantly higher chemical and temperature resistance, making it a better choice for harsh outdoor, automotive, or industrial environments. For fully waterproof sealing, consider adhesive-lined heat shrink tubing instead.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat wire gauge does 1.5mm heat shrink tubing fit?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eA 1.5mm inner diameter tube generally fits wires in the range of AWG 26–22 (approximately 0.4mm–0.6mm conductor diameter) before shrinking. Always verify your wire's outer diameter — including insulation — is smaller than 1.5mm to ensure the tube slides on easily before heat is applied.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eCan I use this tubing for automotive wiring repairs?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eYes, polyolefin heat shrink tubing is commonly used in automotive wiring for splices, terminal insulation, and wire bundling. For engine-bay applications where temperatures and chemical exposure are higher, the Transparent-PTFE variant is generally the better choice due to its wider operating temperature range and chemical resistance.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow do I choose the right color for my application?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eColor-coding is a practical way to identify wire functions at a glance. Common conventions include red for positive\/power, black for ground\/negative, blue for signal, yellow for caution circuits, and green for earth\/ground. Transparent tubing lets you see the wire or label underneath, while Bright Black and Gray are popular for a clean, professional finish in electronics builds.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-cta\"\u003e\n    🛒 Select your size, color, and pack quantity above, then add to cart — ships from our US warehouse.\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"2∶1 \/ Black \/ 5","offer_id":52310860955922,"sku":"LXXGLBZSJ000022x5","price":6.5,"currency_code":"USD","in_stock":true},{"title":"2∶1 \/ White \/ 5","offer_id":52310860988690,"sku":"LXXGLBZSJ000023x5","price":6.72,"currency_code":"USD","in_stock":true},{"title":"2∶1 \/ Red \/ 5","offer_id":52310861021458,"sku":"LXXGLBZSJ000024x5","price":6.72,"currency_code":"USD","in_stock":true},{"title":"2∶1 \/ Green \/ 5","offer_id":52310861054226,"sku":"LXXGLBZSJ000025x5","price":6.72,"currency_code":"USD","in_stock":true},{"title":"2∶1 \/ Yellow \/ 5","offer_id":52310861086994,"sku":"LXXGLBZSJ000026x5","price":6.72,"currency_code":"USD","in_stock":true},{"title":"2∶1 \/ Blue \/ 5","offer_id":52310861119762,"sku":"LXXGLBZSJ000027x5","price":6.72,"currency_code":"USD","in_stock":true},{"title":"2∶1 \/ Transparent \/ 5","offer_id":52310861152530,"sku":"LXXGLBZSJ000028x5","price":6.72,"currency_code":"USD","in_stock":true},{"title":"2∶1 \/ Brown \/ 5","offer_id":52310861185298,"sku":"LXXGLBZSJ096172x5","price":8.39,"currency_code":"USD","in_stock":true},{"title":"2∶1 \/ Orange Color \/ 5","offer_id":52310861218066,"sku":"LXXGLBZSJ000282x5","price":8.31,"currency_code":"USD","in_stock":true},{"title":"2∶1 \/ Purple \/ 5","offer_id":52310861250834,"sku":"LXXGLBZSJ000302x5","price":9.45,"currency_code":"USD","in_stock":true},{"title":"2∶1 \/ Gray \/ 5","offer_id":52310861283602,"sku":"LXXGLBZSJ096176x5","price":12.53,"currency_code":"USD","in_stock":true},{"title":"3∶1 \/ Black \/ 5","offer_id":52310861316370,"sku":"LXXGLBZSJ000480x5","price":13.46,"currency_code":"USD","in_stock":true},{"title":"2∶1 \/ Bright Black \/ 5","offer_id":52310861349138,"sku":"LXXGLBZSJ000545x5","price":19.72,"currency_code":"USD","in_stock":true},{"title":"2∶1 \/ Transparent-PTFE \/ 5","offer_id":52310861381906,"sku":"LXXGLBZSJ000629x5","price":25.57,"currency_code":"USD","in_stock":true},{"title":"2∶1 \/ Black \/ 10","offer_id":52310861414674,"sku":"LXXGLBZSJ000022x10","price":8.27,"currency_code":"USD","in_stock":true},{"title":"2∶1 \/ White \/ 10","offer_id":52310861447442,"sku":"LXXGLBZSJ000023x10","price":8.7,"currency_code":"USD","in_stock":true},{"title":"2∶1 \/ Red \/ 10","offer_id":52310861480210,"sku":"LXXGLBZSJ000024x10","price":8.7,"currency_code":"USD","in_stock":true},{"title":"2∶1 \/ Green \/ 10","offer_id":52310861512978,"sku":"LXXGLBZSJ000025x10","price":8.7,"currency_code":"USD","in_stock":true},{"title":"2∶1 \/ Yellow \/ 10","offer_id":52310861545746,"sku":"LXXGLBZSJ000026x10","price":8.7,"currency_code":"USD","in_stock":true},{"title":"2∶1 \/ Blue \/ 10","offer_id":52310861578514,"sku":"LXXGLBZSJ000027x10","price":8.7,"currency_code":"USD","in_stock":true},{"title":"2∶1 \/ Transparent \/ 10","offer_id":52310861611282,"sku":"LXXGLBZSJ000028x10","price":9.45,"currency_code":"USD","in_stock":true},{"title":"2∶1 \/ Brown \/ 10","offer_id":52310861644050,"sku":"LXXGLBZSJ096172x10","price":9.63,"currency_code":"USD","in_stock":true},{"title":"2∶1 \/ Orange Color \/ 10","offer_id":52310861676818,"sku":"LXXGLBZSJ000282x10","price":9.45,"currency_code":"USD","in_stock":true},{"title":"2∶1 \/ Purple \/ 10","offer_id":52310861709586,"sku":"LXXGLBZSJ000302x10","price":13.18,"currency_code":"USD","in_stock":true},{"title":"2∶1 \/ Gray \/ 10","offer_id":52310861742354,"sku":"LXXGLBZSJ096176x10","price":18.1,"currency_code":"USD","in_stock":true},{"title":"3∶1 \/ Black \/ 10","offer_id":52310861775122,"sku":"LXXGLBZSJ000480x10","price":11.91,"currency_code":"USD","in_stock":true},{"title":"2∶1 \/ Bright Black \/ 10","offer_id":52310861807890,"sku":"LXXGLBZSJ000545x10","price":10.5,"currency_code":"USD","in_stock":true},{"title":"2∶1 \/ Transparent-PTFE \/ 10","offer_id":52310861840658,"sku":"LXXGLBZSJ000629x10","price":47.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Main-05_9b2a00f9-04ea-4a5a-be78-7e5d9be3c85d.jpg?v=1780500787","url":"https:\/\/homediyer.com\/de\/products\/1-5mm-heat-shrink-tube-wire-sleeve","provider":"HomeDIYer","version":"1.0","type":"link"}