{"product_id":"1-5mm-heat-shrink-tubing-2-1-ratio-electrical-wire-wrap","title":"1.5mm Heat Shrink Tubing 2:1 Ratio – Electrical Wire Wrap, 7 Colors, 1–10m","description":"\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does 1.5mm inner diameter mean, and will it fit my wire?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The 1.5mm (approximately 1\/16\\u201d) measurement refers to the inner diameter before shrinking. With a 2:1 shrink ratio, it recovers to roughly 0.75mm. This size is generally suited for 26–22 AWG wire or small-gauge conductors. If your wire diameter is close to 0.75mm after insulation, this tubing will typically provide a snug, secure fit.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How much heat does this tubing need to shrink?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Polyolefin heat shrink tubing generally activates at around 90\\u00b0C (194\\u00b0F) and fully recovers by 120\\u00b0C (248\\u00b0F). A heat gun set to low or medium is the recommended tool. A lighter can work in a pinch but may scorch the tubing — use it carefully and keep it moving.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I use this heat shrink tubing outdoors or in my car engine bay?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Polyolefin tubing is generally resistant to moisture, mild chemicals, and UV exposure, making it suitable for automotive and outdoor low-voltage wiring. For prolonged direct UV exposure or high-heat engine-bay environments, confirm the operating temperature range matches your application before installing.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the voltage rating for this tubing?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Standard polyolefin 2:1 heat shrink tubing is typically rated for up to 600V. This makes it suitable for most low-voltage automotive, marine, and household electrical wiring tasks. For high-voltage industrial applications, please contact us to confirm suitability.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I choose the right length for my project?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Measure the total length of wire or splice you need to cover, then add about 10–15% extra for overlap and trimming. For a single repair job, 1m or 2m is usually sufficient. For wiring harness builds or bulk automotive projects, the 5m or 10m options offer better value per meter.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Does the color affect performance, or is it purely cosmetic?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Color is primarily for identification and organization — all seven colors (Black, White, Red, Green, Yellow, Blue, Transparent) share the same 2:1 shrink ratio and material properties. Using color-coded tubing is a common practice in automotive and electrical work to quickly identify wire functions or circuits.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can this tubing be used for wire splicing and connector insulation?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. Heat shrink tubing is one of the most reliable methods for insulating soldered wire splices, butt connectors, and terminal ends. Slide the tubing over the wire before soldering, make your connection, then slide the tubing over the joint and apply heat to seal it.\"\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 Insulation for Automotive \u0026amp; Electrical Wire Repairs\u003c\/h2\u003e\n    \u003cp\u003eWhether you're chasing an electrical gremlin in your car, tidying up a home wiring project, or building a custom wiring harness from scratch, loose or exposed wire ends are a safety hazard and a headache. This 1.5mm heat shrink tubing gives hobbyists, automotive enthusiasts, and electricians a clean, durable way to insulate, protect, and organize wire connections of all kinds.\u003c\/p\u003e\n    \u003cp\u003eEach order is a continuous length of polyolefin heat shrink tubing with a 2:1 shrink ratio and a pre-shrink inner diameter of φ1.5mm (≈1\/16\"). Available in four lengths — 1m (≈3.3ft), 2m (≈6.6ft), 5m (≈16.4ft), and 10m (≈32.8ft) — and seven colors: Black, White, Red, Green, Yellow, Blue, and Transparent. The 2:1 ratio means the tubing recovers to approximately 0.75mm inner diameter when heat is applied, forming a tight, uniform sleeve around the wire.\u003c\/p\u003e\n    \u003cp\u003eThis tubing is well suited for insulating soldered wire splices in automotive electrical systems, color-coding wiring harnesses for easy circuit identification, protecting small-gauge wire ends on marine electronics, and bundling delicate leads on hobby electronics and RC builds where a clean, 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 Designed for 26–22 AWG wire (typically 0.4–0.6mm conductor diameter). Verify your wire's outer insulation diameter is under 1.5mm before ordering. For larger wire gauges, see our full heat shrink tubing range.\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\u003e2:1 Shrink Ratio\u003c\/strong\u003e — Recovers to approximately half its original diameter, creating a snug, uniform sleeve that conforms tightly to wire insulation without gaps or loose ends.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🎨\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003e7 Color Options\u003c\/strong\u003e — Black, White, Red, Green, Yellow, Blue, and Transparent allow color-coded wire identification — a standard practice in automotive wiring harness builds and panel wiring.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📏\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eFour Length Choices\u003c\/strong\u003e — Order exactly what your project needs: 1m for quick repairs, 2m for small jobs, 5m for wiring harness work, or 10m for bulk electrical cable insulation projects.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eMoisture \u0026amp; Abrasion Resistance\u003c\/strong\u003e — Polyolefin construction provides a protective barrier against moisture ingress, mild chemicals, and physical abrasion — useful in under-hood automotive and marine environments.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚡\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eLow Activation Temperature\u003c\/strong\u003e — Begins shrinking at approximately 90°C (194°F), so a standard heat gun on low setting is all you need — no specialized tools required for most small-gauge wire wrap applications.\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 \u0026amp; Position\u003c\/strong\u003e — Cuts cleanly with standard scissors or wire cutters, and slides freely over wire before shrinking, making it straightforward to position precisely over splices, terminals, or connector ends.\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\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eHeat Shrink Tubing\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePolyolefin\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eInner Diameter (before shrink)\u003c\/th\u003e\n\u003ctd\u003eφ1.5mm (≈1\/16\")\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eRecovered Inner Diameter (after shrink)\u003c\/th\u003e\n\u003ctd\u003eApproximately 0.75mm (≈1\/32\")\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eShrink Ratio\u003c\/th\u003e\n\u003ctd\u003e2:1\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eAvailable Lengths\u003c\/th\u003e\n\u003ctd\u003e1m (≈3.3ft) \/ 2m (≈6.6ft) \/ 5m (≈16.4ft) \/ 10m (≈32.8ft)\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\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eShrink Temperature\u003c\/th\u003e\n\u003ctd\u003eTypically 90°C–120°C (194°F–248°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eVoltage Rating\u003c\/th\u003e\n\u003ctd\u003eTypically up to 600V (low-voltage applications)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eRecommended Wire Gauge\u003c\/th\u003e\n\u003ctd\u003eGenerally 26–22 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eWall Thickness (after shrink)\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eOperating Temperature Range\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\u003eSize tip:\u003c\/strong\u003e Always measure your wire's outer diameter (including insulation) before ordering. The pre-shrink ID of 1.5mm should be slightly larger than your wire for easy sliding, and the recovered ID of ~0.75mm should be smaller than your wire for a tight seal.\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\u003eWhat does 1.5mm inner diameter mean, and will it fit my wire?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eThe 1.5mm (approximately 1\/16\") measurement refers to the inner diameter \u003cem\u003ebefore\u003c\/em\u003e shrinking. With a 2:1 shrink ratio, it recovers to roughly 0.75mm. This size is generally suited for 26–22 AWG wire or small-gauge conductors. If your wire diameter is close to 0.75mm after insulation, this tubing will typically provide a snug, secure fit.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow much heat does this tubing need to shrink?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003ePolyolefin heat shrink tubing generally activates at around 90°C (194°F) and fully recovers by 120°C (248°F). A heat gun set to low or medium is the recommended tool. A lighter can work in a pinch but may scorch the tubing — use it carefully and keep it moving.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eCan I use this heat shrink tubing outdoors or in my car engine bay?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003ePolyolefin tubing is generally resistant to moisture, mild chemicals, and UV exposure, making it suitable for automotive and outdoor low-voltage wiring. For prolonged direct UV exposure or high-heat engine-bay environments, confirm the operating temperature range matches your application before installing.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat is the voltage rating for this tubing?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eStandard polyolefin 2:1 heat shrink tubing is typically rated for up to 600V. This makes it suitable for most low-voltage automotive, marine, and household electrical wiring tasks. For high-voltage industrial applications, please contact us to confirm suitability.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow do I choose the right length for my project?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eMeasure the total length of wire or splice you need to cover, then add about 10–15% extra for overlap and trimming. For a single repair job, 1m or 2m is usually sufficient. For wiring harness builds or bulk automotive projects, the 5m or 10m options offer better value per meter.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eDoes the color affect performance, or is it purely cosmetic?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eColor is primarily for identification and organization — all seven colors (Black, White, Red, Green, Yellow, Blue, Transparent) share the same 2:1 shrink ratio and material properties. Using color-coded tubing is a common practice in automotive and electrical work to quickly identify wire functions or circuits.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eCan this tubing be used for wire splicing and connector insulation?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eYes. Heat shrink tubing is one of the most reliable methods for insulating soldered wire splices, butt connectors, and terminal ends. Slide the tubing over the wire before soldering, make your connection, then slide the tubing over the joint and apply heat to seal it.\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 \u003cstrong\u003ecolor and length\u003c\/strong\u003e above, then add to cart — ships from our US warehouse.\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"φ1.5mm \/ Black \/ 1 Metre","offer_id":52331124064530,"sku":"GYWXWGLBZSJ000022x1","price":1.35,"currency_code":"USD","in_stock":true},{"title":"φ1.5mm \/ White \/ 1 Metre","offer_id":52331124097298,"sku":"GYWXWGLBZSJ000023x1","price":1.66,"currency_code":"USD","in_stock":true},{"title":"φ1.5mm \/ Red \/ 1 Metre","offer_id":52331124130066,"sku":"GYWXWGLBZSJ000024x1","price":1.66,"currency_code":"USD","in_stock":true},{"title":"φ1.5mm \/ Green \/ 1 Metre","offer_id":52331124162834,"sku":"GYWXWGLBZSJ000025x1","price":1.66,"currency_code":"USD","in_stock":true},{"title":"φ1.5mm \/ Yellow \/ 1 Metre","offer_id":52331124195602,"sku":"GYWXWGLBZSJ000026x1","price":1.66,"currency_code":"USD","in_stock":true},{"title":"φ1.5mm \/ Blue \/ 1 Metre","offer_id":52331124228370,"sku":"GYWXWGLBZSJ000027x1","price":1.66,"currency_code":"USD","in_stock":true},{"title":"φ1.5mm \/ Transparent \/ 1 Metre","offer_id":52331124261138,"sku":"GYWXWGLBZSJ000028x1","price":1.66,"currency_code":"USD","in_stock":true},{"title":"φ1.5mm \/ Black \/ 2 Metre","offer_id":52331124293906,"sku":"GYWXWGLBZSJ000022x2","price":1.7,"currency_code":"USD","in_stock":true},{"title":"φ1.5mm \/ White \/ 2 Metre","offer_id":52331124326674,"sku":"GYWXWGLBZSJ000023x2","price":1.73,"currency_code":"USD","in_stock":true},{"title":"φ1.5mm \/ Red \/ 2 Metre","offer_id":52331124359442,"sku":"GYWXWGLBZSJ000024x2","price":1.73,"currency_code":"USD","in_stock":true},{"title":"φ1.5mm \/ Green \/ 2 Metre","offer_id":52331124392210,"sku":"GYWXWGLBZSJ000025x2","price":1.73,"currency_code":"USD","in_stock":true},{"title":"φ1.5mm \/ Yellow \/ 2 Metre","offer_id":52331124424978,"sku":"GYWXWGLBZSJ000026x2","price":1.73,"currency_code":"USD","in_stock":true},{"title":"φ1.5mm \/ Blue \/ 2 Metre","offer_id":52331124457746,"sku":"GYWXWGLBZSJ000027x2","price":1.73,"currency_code":"USD","in_stock":true},{"title":"φ1.5mm \/ Transparent \/ 2 Metre","offer_id":52331124490514,"sku":"GYWXWGLBZSJ000028x2","price":1.73,"currency_code":"USD","in_stock":true},{"title":"φ1.5mm \/ Black \/ 5 Metre","offer_id":52331124523282,"sku":"GYWXWGLBZSJ000022x5","price":1.85,"currency_code":"USD","in_stock":true},{"title":"φ1.5mm \/ White \/ 5 Metre","offer_id":52331124556050,"sku":"GYWXWGLBZSJ000023x5","price":1.92,"currency_code":"USD","in_stock":true},{"title":"φ1.5mm \/ Red \/ 5 Metre","offer_id":52331124588818,"sku":"GYWXWGLBZSJ000024x5","price":1.92,"currency_code":"USD","in_stock":true},{"title":"φ1.5mm \/ Green \/ 5 Metre","offer_id":52331124621586,"sku":"GYWXWGLBZSJ000025x5","price":1.92,"currency_code":"USD","in_stock":true},{"title":"φ1.5mm \/ Yellow \/ 5 Metre","offer_id":52331124654354,"sku":"GYWXWGLBZSJ000026x5","price":1.92,"currency_code":"USD","in_stock":true},{"title":"φ1.5mm \/ Blue \/ 5 Metre","offer_id":52331124687122,"sku":"GYWXWGLBZSJ000027x5","price":1.92,"currency_code":"USD","in_stock":true},{"title":"φ1.5mm \/ Transparent \/ 5 Metre","offer_id":52331124719890,"sku":"GYWXWGLBZSJ000028x5","price":1.92,"currency_code":"USD","in_stock":true},{"title":"φ1.5mm \/ Black \/ 10 Metre","offer_id":52331124752658,"sku":"GYWXWGLBZSJ000022x10","price":2.09,"currency_code":"USD","in_stock":true},{"title":"φ1.5mm \/ White \/ 10 Metre","offer_id":52331124785426,"sku":"GYWXWGLBZSJ000023x10","price":2.23,"currency_code":"USD","in_stock":true},{"title":"φ1.5mm \/ Red \/ 10 Metre","offer_id":52331124818194,"sku":"GYWXWGLBZSJ000024x10","price":2.23,"currency_code":"USD","in_stock":true},{"title":"φ1.5mm \/ Green \/ 10 Metre","offer_id":52331124850962,"sku":"GYWXWGLBZSJ000025x10","price":2.23,"currency_code":"USD","in_stock":true},{"title":"φ1.5mm \/ Yellow \/ 10 Metre","offer_id":52331124883730,"sku":"GYWXWGLBZSJ000026x10","price":2.23,"currency_code":"USD","in_stock":true},{"title":"φ1.5mm \/ Blue \/ 10 Metre","offer_id":52331124916498,"sku":"GYWXWGLBZSJ000027x10","price":2.23,"currency_code":"USD","in_stock":true},{"title":"φ1.5mm \/ Transparent \/ 10 Metre","offer_id":52331124949266,"sku":"GYWXWGLBZSJ000028x10","price":2.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/fa7acfd7-7da1-443e-8310-20fb5f334e79_afc2405b-132c-4e9d-98fe-9e3eb83c4a31.jpg?v=1780996090","url":"https:\/\/homediyer.com\/products\/1-5mm-heat-shrink-tubing-2-1-ratio-electrical-wire-wrap","provider":"HomeDIYer","version":"1.0","type":"link"}