{"product_id":"heat-shrink-tubing-2-1-ratio-1m-60mm-210mm","title":"Heat Shrink Tubing 2:1 Ratio — 1m Lengths, φ60mm to φ210mm, Multiple 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 diameter of heat shrink tubing?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Measure the outer diameter of the cable or object you need to cover. Choose a tubing size whose expanded (pre-shrink) inner diameter is larger than your cable — typically 20–30% larger for a secure fit. For example, a φ60mm tube generally suits cables or bundles up to about 50mm in diameter. After shrinking at a 2:1 ratio, the tubing will recover to roughly half its original diameter.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does 2:1 shrink ratio mean?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"A 2:1 shrink ratio means the tubing will shrink to approximately half its original expanded diameter when heat is applied. For example, a φ60mm tube will shrink down to roughly φ30mm, conforming tightly around the cable or component inside.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How strong is the insulation provided by this heat shrink tubing?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"This heat shrink tubing is generally rated for electrical insulation applications in low-to-medium voltage environments. It provides a durable dielectric barrier that helps prevent short circuits, abrasion, and moisture ingress. For specific voltage ratings, please contact us to confirm.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can this tubing be used outdoors or in wet environments?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Standard polyolefin heat shrink tubing typically offers good resistance to moisture and mild environmental exposure, making it suitable for many outdoor wiring and cable management applications. However, for prolonged submersion or highly corrosive environments, we recommend confirming the specific material rating with us before use.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What tool do I use to shrink the tubing?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"A heat gun is the most reliable tool for shrinking this tubing evenly. A lighter or match can work for small sections in a pinch, but a heat gun gives more consistent results — especially for larger diameters like φ80mm and above. Move the heat source steadily along the tube to avoid scorching.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this tubing compatible with standard wire gauges and cable bundles?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. The range of diameters — from φ60mm to φ210mm — is designed to accommodate a wide variety of cable bundles, conduit ends, pipe joints, and large-gauge wiring harnesses. Smaller diameters (φ60–φ80mm) suit mid-size cable bundles, while larger sizes (φ150–φ210mm) are typically used for industrial conduit, pipe insulation, or large harness protection.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Do the colors affect performance, or are they purely cosmetic?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The colors are primarily for identification and organization purposes — for example, color-coding wiring harnesses by circuit or phase. All color variants generally share the same shrink ratio and insulation properties. The transparent option is useful when you need to see the underlying cable markings after installation.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003cdiv class=\"hdiy-desc\"\u003e\n\n  \u003ch2\u003eHeat Shrink Tubing 2:1 Ratio — Reliable Cable Insulation for Large-Diameter Wiring\u003c\/h2\u003e\n\n  \u003cdiv class=\"hdiy-overview\"\u003e\n    \u003cp\u003eElectricians, automotive technicians, and DIY enthusiasts know the frustration of exposed cable ends, fraying wire bundles, and connections that fail under vibration or moisture. Whether you're wrapping a wiring harness in a vehicle, sealing conduit joints in a workshop, or protecting large cable bundles in an industrial panel, you need tubing that fits cleanly, shrinks uniformly, and stays put.\u003c\/p\u003e\n    \u003cp\u003eEach listing covers one 1m (≈39.4\") length of polyolefin heat shrink tubing with a 2:1 shrink ratio. Diameters range from φ60mm (≈2.36\") up to φ210mm (≈8.27\"), available in seven colors: Black, White, Red, Green, Yellow, Blue, and Transparent. Select your diameter and color from the variant options above.\u003c\/p\u003e\n    \u003cp\u003eTypical use cases include large cable bundle management in automotive and marine wiring, insulating and color-coding electrical conduit terminations, protecting pipe joints and fittings from abrasion and moisture, and organizing multi-wire harnesses in control panels and equipment enclosures.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-compat\"\u003e\n    \u003cspan class=\"hdiy-compat-icon\"\u003eℹ️\u003c\/span\u003e\n    \u003cstrong\u003eCompatibility Note:\u003c\/strong\u003e This tubing is designed for use with cables, conduit, and pipe bundles whose outer diameter is smaller than the listed tube diameter. After applying heat, the tubing shrinks to approximately half its expanded diameter. Verify your cable OD before ordering.\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-note\"\u003e\n    \u003cspan class=\"hdiy-note-icon\"\u003e⚠️\u003c\/span\u003e\n    \u003cstrong\u003eSizing Tip:\u003c\/strong\u003e If you are unsure which diameter fits your application, measure the widest point of your cable bundle and choose the next size up. Contact us to confirm before ordering for critical installations.\n  \u003c\/div\u003e\n\n  \u003ch2\u003e✅ Key Features of These 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 — Shrinks to approximately half its expanded diameter when heat is applied, conforming tightly around cables, conduit ends, and pipe joints for a secure, professional finish.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📏\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eWide Diameter Range\u003c\/strong\u003e — Available from φ60mm (≈2.36\") to φ210mm (≈8.27\"), covering mid-size cable bundles through large industrial conduit and harness protection applications.\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 cable identification and circuit organization across complex wiring systems.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eElectrical Insulation Barrier\u003c\/strong\u003e — Provides a durable dielectric layer that helps prevent short circuits, reduces abrasion wear, and shields connections from incidental moisture exposure.\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 Position\u003c\/strong\u003e — Supplied in 1m (≈39.4\") lengths that can be cut to any required section length before shrinking, reducing waste and fitting a variety of cable management tasks.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔍\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eTransparent Option for Visible Markings\u003c\/strong\u003e — The clear variant lets you read cable labels, wire gauges, and identification markings through the tubing after installation — useful for maintenance and inspection.\u003c\/span\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003e📐 Technical Specifications — 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\u003ePolyolefin Heat Shrink Tubing\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\u003eLength per Piece\u003c\/th\u003e\n\u003ctd\u003e1m (≈39.4\")\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eAvailable Diameters\u003c\/th\u003e\n\u003ctd\u003eφ60mm (≈2.36\"), φ70mm (≈2.76\"), φ80mm (≈3.15\"), φ90mm (≈3.54\"), φ100mm (≈3.94\"), φ120mm (≈4.72\"), φ150mm (≈5.91\"), φ180mm (≈7.09\"), φ210mm (≈8.27\")\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eColors Available\u003c\/th\u003e\n\u003ctd\u003eBlack, White, Red, Green, Yellow, Blue, Transparent\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePolyolefin (flame-retardant grade — see variant options)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eShrink Temperature\u003c\/th\u003e\n\u003ctd\u003eSee variant options \/ Contact us to confirm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eOperating Temperature Range\u003c\/th\u003e\n\u003ctd\u003eSee variant options \/ Contact us to confirm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eVoltage Rating\u003c\/th\u003e\n\u003ctd\u003eContact us to confirm\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\u003eQuantity per Order\u003c\/th\u003e\n\u003ctd\u003e1 piece (1m length)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003ctd\u003eCable insulation, wire bundling, conduit termination, pipe joint protection\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\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 diameter of heat shrink tubing?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eMeasure the outer diameter of the cable or bundle you need to cover. Choose a tubing size whose expanded (pre-shrink) inner diameter is larger than your cable — typically 20–30% larger for a secure fit. For example, a φ60mm tube generally suits cable bundles up to about 50mm in diameter. After shrinking at a 2:1 ratio, the tubing will recover to roughly half its original diameter. When in doubt, size up.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat does 2:1 shrink ratio mean?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eA 2:1 shrink ratio means the tubing will shrink to approximately half its original expanded diameter when heat is applied. For example, a φ60mm tube will shrink down to roughly φ30mm (≈1.18\"), conforming tightly around the cable or component inside. This ratio is the most common standard for general-purpose electrical insulation and cable management.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow strong is the insulation provided by this heat shrink tubing?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eThis heat shrink tubing is generally rated for electrical insulation in low-to-medium voltage environments. It provides a durable dielectric barrier that helps prevent short circuits, abrasion damage, and moisture ingress. For specific voltage ratings applicable to your installation, please contact us to confirm before use in high-voltage or safety-critical applications.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eCan this tubing be used outdoors or in wet environments?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eStandard polyolefin heat shrink tubing typically offers good resistance to moisture and mild environmental exposure, making it suitable for many outdoor wiring and cable management tasks — including automotive underhood wiring, marine cable runs, and exterior conduit terminations. For prolonged submersion or highly corrosive environments, contact us to confirm the specific material rating before ordering.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat tool do I use to shrink the tubing?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eA heat gun is the most reliable tool for shrinking this tubing evenly. Set the heat gun to a medium-high setting and move it steadily along the length of the tube to avoid scorching or uneven shrinkage. A lighter or match can work for very short sections in a pinch, but a heat gun gives more consistent results — especially for larger diameters like φ80mm and above where even heat distribution matters most.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eIs this tubing compatible with standard wire gauges and cable bundles?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eYes. The range of diameters — from φ60mm to φ210mm — is designed to accommodate a wide variety of cable bundles, conduit ends, pipe joints, and large-gauge wiring harnesses. Smaller diameters (φ60–φ80mm) typically suit mid-size cable bundles, while larger sizes (φ150–φ210mm) are generally used for industrial conduit, pipe insulation, or large harness protection in equipment enclosures and control panels.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eDo the colors affect performance, or are they purely for identification?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eThe colors are primarily for identification and organization — for example, color-coding wiring harnesses by circuit, phase, or system. All color variants in this listing generally share the same 2:1 shrink ratio and insulation properties. The transparent option is particularly useful when you need to read cable markings, wire gauges, or identification labels through the tubing after installation.\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\u003ediameter and color\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":"φ60mm \/ Black \/ 1m","offer_id":52330420928786,"sku":"GY$$$GLBZSJ000233x1","price":18.6,"currency_code":"USD","in_stock":true},{"title":"φ60mm \/ White \/ 1m","offer_id":52330420961554,"sku":"GY$$$GLBZSJ000234x1","price":19.39,"currency_code":"USD","in_stock":true},{"title":"φ60mm \/ Red \/ 1m","offer_id":52330420994322,"sku":"GY$$$GLBZSJ000235x1","price":19.39,"currency_code":"USD","in_stock":true},{"title":"φ60mm \/ Green \/ 1m","offer_id":52330421027090,"sku":"GY$$$GLBZSJ000236x1","price":19.39,"currency_code":"USD","in_stock":true},{"title":"φ60mm \/ Yellow \/ 1m","offer_id":52330421059858,"sku":"GY$$$GLBZSJ000237x1","price":19.39,"currency_code":"USD","in_stock":true},{"title":"φ60mm \/ Blue \/ 1m","offer_id":52330421092626,"sku":"GY$$$GLBZSJ000238x1","price":19.39,"currency_code":"USD","in_stock":true},{"title":"φ60mm \/ Transparent \/ 1m","offer_id":52330421125394,"sku":"GY$$$GLBZSJ000239x1","price":19.39,"currency_code":"USD","in_stock":true},{"title":"φ70mm \/ Black \/ 1m","offer_id":52330421158162,"sku":"GY$$$GLBZSJ000240x1","price":20.75,"currency_code":"USD","in_stock":true},{"title":"φ70mm \/ White \/ 1m","offer_id":52330421190930,"sku":"GY$$$GLBZSJ000241x1","price":21.81,"currency_code":"USD","in_stock":true},{"title":"φ70mm \/ Red \/ 1m","offer_id":52330421223698,"sku":"GY$$$GLBZSJ000242x1","price":21.81,"currency_code":"USD","in_stock":true},{"title":"φ70mm \/ Green \/ 1m","offer_id":52330421256466,"sku":"GY$$$GLBZSJ000243x1","price":21.81,"currency_code":"USD","in_stock":true},{"title":"φ70mm \/ Yellow \/ 1m","offer_id":52330421289234,"sku":"GY$$$GLBZSJ000244x1","price":21.81,"currency_code":"USD","in_stock":true},{"title":"φ70mm \/ Blue \/ 1m","offer_id":52330421322002,"sku":"GY$$$GLBZSJ000245x1","price":21.81,"currency_code":"USD","in_stock":true},{"title":"φ70mm \/ Transparent \/ 1m","offer_id":52330421354770,"sku":"GY$$$GLBZSJ000246x1","price":21.81,"currency_code":"USD","in_stock":true},{"title":"φ80mm \/ Black \/ 1m","offer_id":52330421387538,"sku":"GY$$$GLBZSJ000247x1","price":25.13,"currency_code":"USD","in_stock":true},{"title":"φ80mm \/ White \/ 1m","offer_id":52330421420306,"sku":"GY$$$GLBZSJ000248x1","price":25.81,"currency_code":"USD","in_stock":true},{"title":"φ80mm \/ Red \/ 1m","offer_id":52330421453074,"sku":"GY$$$GLBZSJ000249x1","price":25.81,"currency_code":"USD","in_stock":true},{"title":"φ80mm \/ Green \/ 1m","offer_id":52330421485842,"sku":"GY$$$GLBZSJ000250x1","price":25.81,"currency_code":"USD","in_stock":true},{"title":"φ80mm \/ Yellow \/ 1m","offer_id":52330421518610,"sku":"GY$$$GLBZSJ000251x1","price":25.81,"currency_code":"USD","in_stock":true},{"title":"φ80mm \/ Blue \/ 1m","offer_id":52330421551378,"sku":"GY$$$GLBZSJ000252x1","price":25.81,"currency_code":"USD","in_stock":true},{"title":"φ80mm \/ Transparent \/ 1m","offer_id":52330421584146,"sku":"GY$$$GLBZSJ000253x1","price":25.81,"currency_code":"USD","in_stock":true},{"title":"φ90mm \/ Black \/ 1m","offer_id":52330421616914,"sku":"GY$$$GLBZSJ000254x1","price":31.27,"currency_code":"USD","in_stock":true},{"title":"φ100mm \/ Black \/ 1m","offer_id":52330421649682,"sku":"GY$$$GLBZSJ000255x1","price":33.39,"currency_code":"USD","in_stock":true},{"title":"φ100mm \/ White \/ 1m","offer_id":52330421682450,"sku":"GY$$$GLBZSJ000256x1","price":34.79,"currency_code":"USD","in_stock":true},{"title":"φ120mm \/ Red \/ 1m","offer_id":52330421715218,"sku":"GY$$$GLBZSJ000257x1","price":41.07,"currency_code":"USD","in_stock":true},{"title":"φ120mm \/ Green \/ 1m","offer_id":52330421747986,"sku":"GY$$$GLBZSJ000258x1","price":48.08,"currency_code":"USD","in_stock":true},{"title":"φ150mm \/ Yellow \/ 1m","offer_id":52330421780754,"sku":"GY$$$GLBZSJ000259x1","price":50.18,"currency_code":"USD","in_stock":true},{"title":"φ150mm \/ Blue \/ 1m","offer_id":52330421813522,"sku":"GY$$$GLBZSJ000260x1","price":56.51,"currency_code":"USD","in_stock":true},{"title":"φ180mm \/ Transparent \/ 1m","offer_id":52330421846290,"sku":"GY$$$GLBZSJ000261x1","price":76.79,"currency_code":"USD","in_stock":true},{"title":"φ210mm \/ Black \/ 1m","offer_id":52330421879058,"sku":"GY$$$GLBZSJ000263x1","price":99.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Picture1of11_5bfd59f7-de07-41a2-abe3-e2980a6cc113.jpg?v=1780829786","url":"https:\/\/homediyer.com\/de\/products\/heat-shrink-tubing-2-1-ratio-1m-60mm-210mm","provider":"HomeDIYer","version":"1.0","type":"link"}