{"product_id":"black-heat-shrink-tubing-2-1-180mm-electrical-sleeve-cable-wire","title":"Black Heat Shrink Tubing 2:1 — 180mm Diameter Electrical Sleeve for Cable Wire Protection","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 diameter wire or cable fits inside 180mm heat shrink tubing?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"This tubing has a 180mm (≈7.1\\u2033) expanded inner diameter, so it generally fits cables and bundles up to that diameter before shrinking. After applying heat, it shrinks to approximately half that size (2:1 ratio), so the recovered diameter is typically around 90mm (≈3.5\\u2033). Always measure your cable bundle before selecting a size.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does a 2:1 shrink ratio mean?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"A 2:1 shrink ratio means the tubing shrinks to approximately half its original expanded diameter when heat is applied. For example, 180mm expanded becomes roughly 90mm recovered, forming a snug, protective sleeve around your cable or wire bundle.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What temperature is needed to shrink this tubing?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Polyolefin heat shrink tubing typically activates at around 90\\u2013120\\u00b0C (194\\u2013248\\u00b0F). A heat gun is the recommended tool for even, controlled shrinking. Avoid open flames, which can cause uneven shrinkage or scorching.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can this heat shrink tubing be used outdoors or in wet environments?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Standard polyolefin heat shrink tubing generally provides good moisture resistance and is suitable for many outdoor applications. However, for fully waterproof sealing, an adhesive-lined (dual-wall) variant is typically recommended. Check the product variant details or contact us to confirm suitability for your specific environment.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this tubing RoHS compliant and safe for electrical use?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Polyolefin heat shrink tubing is generally manufactured to meet RoHS compliance standards and is widely used for electrical insulation, wire harnessing, and cable management. For specific compliance documentation, please contact us to confirm.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I choose between the 1 Meter and 2 Meter length options?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Choose based on the total length of cable or wire runs you need to cover. For single repairs or short cable ends, 1 Meter is typically sufficient. For larger wiring projects, cable bundling, or multiple runs, the 2 Meter option offers better value and reduces the need for multiple pieces.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I cut this tubing to shorter lengths?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. Heat shrink tubing can be cut to any length with scissors or a utility knife before application. Cut slightly longer than needed, as the tubing may shorten slightly along its length when heat is applied.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003cdiv class=\"hdiy-desc\"\u003e\n\n  \u003cdiv class=\"hdiy-overview\"\u003e\n    \u003ch2\u003eBlack Heat Shrink Tubing 2:1 — Reliable 180mm Electrical Sleeve for Cable Wire Protection\u003c\/h2\u003e\n    \u003cp\u003eWhen you're dealing with exposed wiring, frayed cable ends, or bundled wire runs that need a clean, insulated finish, finding the right-sized heat shrink tubing makes all the difference. Whether you're an electrician, automotive technician, marine rigger, or serious DIYer, loose or unprotected cables are a safety and reliability risk you can't afford to ignore.\u003c\/p\u003e\n    \u003cp\u003eThis black heat shrink tubing features a 180mm (≈7.1\") expanded inner diameter with a 2:1 shrink ratio, recovering to approximately 90mm (≈3.5\") after heat application. Made from flexible polyolefin material, it is available in 1 Meter and 2 Meter lengths to suit both small repairs and larger wiring projects. The tubing slides easily over cable bundles before shrinking down to form a firm, protective sleeve.\u003c\/p\u003e\n    \u003cp\u003eTypical use cases include electrical cable insulation for automotive wiring harnesses, bundling and strain relief for industrial cable runs, and protective sleeving for marine or outdoor electrical connections where moisture resistance is needed. This large-diameter heat shrink tubing for wire bundling is a go-to solution for jobs where standard small-diameter tubing simply won't fit.\u003c\/p\u003e\n    \u003cdiv class=\"hdiy-note\"\u003e\n      \u003cspan class=\"hdiy-note-icon\"\u003e⚠️\u003c\/span\u003e\n      \u003cstrong\u003eSizing note:\u003c\/strong\u003e The 180mm dimension refers to the expanded (pre-shrink) inner diameter. Always measure your cable bundle diameter before ordering to ensure a proper fit.\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-compat\"\u003e\n    \u003cspan class=\"hdiy-compat-icon\"\u003e🔌\u003c\/span\u003e\n    \u003cstrong\u003eCompatible with:\u003c\/strong\u003e Automotive wiring harnesses, marine cable runs, industrial electrical bundles, HVAC wiring, and general-purpose large-diameter cable sleeving applications.\n  \u003c\/div\u003e\n\n  \u003ch2\u003e✅ Key Features of These Black Heat Shrink Tubing Sleeves\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, forming a snug, uniform sleeve around cable bundles for a clean, professional finish.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📏\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003e180mm Expanded Diameter\u003c\/strong\u003e — Accommodates large cable bundles and wire harnesses up to 180mm (≈7.1\") in diameter, covering applications where standard tubing falls short.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003ePolyolefin Construction\u003c\/strong\u003e — Flexible, durable polyolefin material provides electrical insulation, abrasion resistance, and general moisture protection for indoor and outdoor cable protection.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e✂️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eCut-to-Length Convenience\u003c\/strong\u003e — Available in 1 Meter and 2 Meter lengths; easily trimmed with scissors or a utility knife to fit any cable run length without waste.\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 — Typically activates at 90–120°C (194–248°F), compatible with standard heat guns for fast, even shrinking without scorching the cable jacket.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🖤\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eBlack Finish for UV \u0026amp; Identification\u003c\/strong\u003e — Black coloring offers basic UV resistance and is the standard color for electrical and automotive wiring applications, making cable identification straightforward.\u003c\/span\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003e📐 Technical Specifications — Heat Shrink Tubing Electrical Sleeve\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 \/ Electrical Sleeve\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\u003eColor\u003c\/th\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eExpanded Inner Diameter\u003c\/th\u003e\n\u003ctd\u003e180mm (≈7.1\")\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eRecovered Inner Diameter\u003c\/th\u003e\n\u003ctd\u003eApprox. 90mm (≈3.5\") after heat application\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\u003e1 Meter (≈39.4\") \/ 2 Meter (≈78.7\")\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eActivation Temperature\u003c\/th\u003e\n\u003ctd\u003eTypically 90–120°C (194–248°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eWall Thickness (recovered)\u003c\/th\u003e\n\u003ctd\u003eSee variant options\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\u003eCompliance\u003c\/th\u003e\n\u003ctd\u003eContact us to confirm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eRecommended Tool\u003c\/th\u003e\n\u003ctd\u003eHeat gun (even heat distribution)\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\u003eWhat diameter wire or cable fits inside 180mm heat shrink tubing?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eThis tubing has a 180mm (≈7.1\") expanded inner diameter, so it generally fits cables and bundles up to that diameter before shrinking. After applying heat, it shrinks to approximately half that size (2:1 ratio), so the recovered diameter is typically around 90mm (≈3.5\"). Always measure your cable bundle before selecting a size.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat does a 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 shrinks to approximately half its original expanded diameter when heat is applied. For example, 180mm expanded becomes roughly 90mm recovered, forming a snug, protective sleeve around your cable or wire bundle.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat temperature is needed to shrink this tubing?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003ePolyolefin heat shrink tubing typically activates at around 90–120°C (194–248°F). A heat gun is the recommended tool for even, controlled shrinking. Avoid open flames, which can cause uneven shrinkage or scorching.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eCan this heat shrink 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 generally provides good moisture resistance and is suitable for many outdoor applications. However, for fully waterproof sealing, an adhesive-lined (dual-wall) variant is typically recommended. Check the product variant details or contact us to confirm suitability for your specific environment.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eIs this tubing RoHS compliant and safe for electrical use?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003ePolyolefin heat shrink tubing is generally manufactured to meet RoHS compliance standards and is widely used for electrical insulation, wire harnessing, and cable management. For specific compliance documentation, please contact us to confirm.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow do I choose between the 1 Meter and 2 Meter length options?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eChoose based on the total length of cable or wire runs you need to cover. For single repairs or short cable ends, 1 Meter is typically sufficient. For larger wiring projects, cable bundling, or multiple runs, the 2 Meter option offers better value and reduces the need for multiple pieces.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eCan I cut this tubing to shorter lengths?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eYes. Heat shrink tubing can be cut to any length with scissors or a utility knife before application. Cut slightly longer than needed, as the tubing may shorten slightly along its length when heat is applied.\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":"Black \/ 1 Meter","offer_id":52330957701394,"sku":"GLFBFHHGLBZSJ000261x1","price":99.12,"currency_code":"USD","in_stock":true},{"title":"Black \/ 2 Meter","offer_id":52330957734162,"sku":"GLFBFHHGLBZSJ000261x2","price":195.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Main-04_1_28dd4ddc-901a-4eb1-88d7-33b04ceca277.jpg?v=1781001630","url":"https:\/\/homediyer.com\/products\/black-heat-shrink-tubing-2-1-180mm-electrical-sleeve-cable-wire","provider":"HomeDIYer","version":"1.0","type":"link"}