{"product_id":"heat-shrink-tubing-1mm-50mm-wire-sleeve","title":"Heat Shrink Tubing – Dia. 1mm to 50mm, Wire Sleeve for Electrical \u0026 DIY Projects","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 heat shrink tubing for my wire?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Measure the outer diameter of your wire or connector before shrinking. Choose a tube whose inner diameter (before shrink) is typically 1.2–1.5× the wire diameter. For example, a 4mm wire generally works well with the Dia.6mm variant. After shrinking at a 2:1 ratio, the tube will conform tightly around the wire.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the shrink ratio of this heat shrink tubing?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"This tubing generally has a 2:1 shrink ratio, meaning it shrinks to approximately half its original inner diameter when heat is applied. Always verify the final recovered diameter against your component size before cutting large quantities.\"\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 between 90°C–120°C (194°F–248°F) and fully recovers around 120°C (248°F). A heat gun is recommended for even, controlled shrinking. Avoid open flames, which can scorch the tubing unevenly.\"\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 tubing provides good moisture resistance and is suitable for most indoor and light outdoor applications. For fully waterproof connections, consider adhesive-lined (dual-wall) heat shrink tubing instead, which creates a sealed barrier against water ingress.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this tubing compatible with automotive wiring?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. Heat shrink tubing is widely used in automotive wiring repairs, harness protection, and connector insulation. The tubing is generally rated to withstand typical under-hood temperature ranges. For high-heat zones near the engine block, confirm the specific temperature rating before use.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I select between the 5M and 1M length options?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Smaller diameters (Dia.1mm–5mm) come in 5-meter rolls, ideal for electronics work where you need longer runs of thin sleeving. Larger diameters (Dia.6mm–50mm) come in 1-meter lengths, suited for cable bundles, conduit ends, and connector boots where shorter sections are typically needed.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the voltage rating of this heat shrink tubing?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Polyolefin heat shrink tubing of this type is generally rated for low-voltage applications up to 600V. For high-voltage or industrial electrical installations, please contact us to confirm suitability for your specific application.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003cdiv class=\"hdiy-desc\"\u003e\n\n  \u003c!-- ① OVERVIEW --\u003e\n  \u003cdiv class=\"hdiy-overview\"\u003e\n    \u003ch2\u003eHeat Shrink Tubing in 20 Sizes — Reliable Wire Insulation \u0026amp; Protection for Every Project\u003c\/h2\u003e\n    \u003cp\u003eWhether you're splicing automotive wiring, repairing household appliances, or organizing a tangled electronics bench, exposed wire ends and bare solder joints are a constant hazard. Electricians, hobbyists, and DIYers alike need a fast, clean way to insulate connections without bulky tape that unravels over time. This heat shrink tubing delivers a snug, professional-looking sleeve that stays put — no adhesive residue, no loose ends.\u003c\/p\u003e\n    \u003cp\u003eEach listing covers a single size variant ranging from \u003cstrong\u003eDia.1mm (≈3\/64\") to Dia.50mm (≈2\")\u003c\/strong\u003e. Smaller diameters — 1mm through 5mm — come on a \u003cstrong\u003e5-meter (≈16.4 ft)\u003c\/strong\u003e roll, giving you plenty of material for fine electronics work. Larger diameters — 6mm through 50mm — come in a \u003cstrong\u003e1-meter (≈39.4 in)\u003c\/strong\u003e length, sized for cable bundles, conduit terminations, and connector boots. The tubing is made from \u003cstrong\u003epolyolefin\u003c\/strong\u003e, a flame-retardant, RoHS-compliant material with a typical \u003cstrong\u003e2:1 shrink ratio\u003c\/strong\u003e.\u003c\/p\u003e\n    \u003cp\u003eTypical use cases include \u003cstrong\u003eautomotive wire harness repair\u003c\/strong\u003e, \u003cstrong\u003emarine cable protection\u003c\/strong\u003e, \u003cstrong\u003ePCB lead insulation\u003c\/strong\u003e, and \u003cstrong\u003eDIY electrical project wire management\u003c\/strong\u003e. The wide size range means you can sleeve everything from a delicate 1mm sensor wire to a 50mm cable bundle with a single supplier.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- ② COMPATIBILITY BAR --\u003e\n  \u003cdiv class=\"hdiy-compat\"\u003e\n    \u003cspan class=\"hdiy-compat-icon\"\u003e🔌\u003c\/span\u003e\n    \u003cstrong\u003eCompatible with:\u003c\/strong\u003e Copper wire, stranded \u0026amp; solid conductors, solder joints, terminal connectors, cable bundles, and most round cross-section components within the listed diameter range.\n  \u003c\/div\u003e\n\n  \u003c!-- ③ KEY FEATURES --\u003e\n  \u003ch2\u003e✅ Key Features of These Heat Shrink Tubing Wire Sleeves\u003c\/h2\u003e\n  \u003cul class=\"hdiy-features\"\u003e\n    \u003cli\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e📏\u003c\/span\u003e\n      \u003cspan\u003e\u003cstrong\u003e20 Sizes in One Product Line\u003c\/strong\u003e — Diameters from 1mm (≈3\/64\") to 50mm (≈2\") cover fine sensor leads, standard hookup wire, and large cable bundles, eliminating the need to source from multiple suppliers.\u003c\/span\u003e\n    \u003c\/li\u003e\n    \u003cli\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e🔥\u003c\/span\u003e\n      \u003cspan\u003e\u003cstrong\u003e2:1 Shrink Ratio\u003c\/strong\u003e — Shrinks to approximately half its original inner diameter when heated, conforming tightly around irregular shapes and providing a secure, vibration-resistant sleeve for automotive and marine wire harness applications.\u003c\/span\u003e\n    \u003c\/li\u003e\n    \u003cli\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e\n      \u003cspan\u003e\u003cstrong\u003eFlame-Retardant Polyolefin Material\u003c\/strong\u003e — Self-extinguishing construction resists ignition and slows flame spread, meeting the safety expectations of electrical insulation and DIY wiring projects.\u003c\/span\u003e\n    \u003c\/li\u003e\n    \u003cli\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e💧\u003c\/span\u003e\n      \u003cspan\u003e\u003cstrong\u003eMoisture \u0026amp; Abrasion Resistance\u003c\/strong\u003e — The recovered sleeve creates a barrier against humidity, light moisture, and mechanical abrasion, extending the service life of spliced connections in engine bays, outdoor enclosures, and workshop environments.\u003c\/span\u003e\n    \u003c\/li\u003e\n    \u003cli\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e✂️\u003c\/span\u003e\n      \u003cspan\u003e\u003cstrong\u003eCut-to-Length Flexibility\u003c\/strong\u003e — Rolls and meter lengths let you cut exactly what you need for each connection. Smaller 5M rolls are ideal for PCB lead insulation and electronics bench work; 1M lengths suit single large-diameter applications.\u003c\/span\u003e\n    \u003c\/li\u003e\n    \u003cli\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e⚡\u003c\/span\u003e\n      \u003cspan\u003e\u003cstrong\u003eLow-Voltage Rated Construction\u003c\/strong\u003e — Suitable for general low-voltage wiring up to typically 600V, covering the majority of residential, automotive, and hobbyist electrical wire sleeve applications.\u003c\/span\u003e\n    \u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003c!-- ④ TECHNICAL SPECIFICATIONS --\u003e\n  \u003ch2\u003e📐 Technical Specifications — Heat Shrink Tubing Wire Sleeve\u003c\/h2\u003e\n  \u003cdiv class=\"hdiy-table-wrap\"\u003e\n    \u003ctable\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePolyolefin (flame-retardant, RoHS-compliant)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eShrink Ratio\u003c\/th\u003e\n\u003ctd\u003e2:1 (typically)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eAvailable Diameters (before shrink)\u003c\/th\u003e\n\u003ctd\u003e1mm (≈3\/64\"), 2mm (≈5\/64\"), 3mm (≈1\/8\"), 4mm (≈5\/32\"), 5mm (≈3\/16\"), 6mm (≈1\/4\"), 8mm (≈5\/16\"), 10mm (≈3\/8\"), 12mm (≈15\/32\"), 15mm (≈19\/32\"), 16mm (≈5\/8\"), 18mm (≈23\/32\"), 20mm (≈25\/32\"), 25mm (≈1\"), 28mm (≈1-1\/8\"), 30mm (≈1-3\/16\"), 35mm (≈1-3\/8\"), 40mm (≈1-9\/16\"), 45mm (≈1-3\/4\"), 50mm (≈2\")\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eLength per Unit\u003c\/th\u003e\n\u003ctd\u003e5M (≈16.4 ft) for Dia.1–5mm; 1M (≈39.4 in) for Dia.6–50mm\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\u003eColor\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eWall Thickness (recovered)\u003c\/th\u003e\n\u003ctd\u003eSee variant options \/ Contact us to confirm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eApplication Method\u003c\/th\u003e\n\u003ctd\u003eHeat gun recommended; hair dryer may work for smaller diameters\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCompliance\u003c\/th\u003e\n\u003ctd\u003eRoHS-compliant (typically); confirm for specific regulatory requirements\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 Select a tube diameter 1.2–1.5× larger than your wire's outer diameter before shrinking. When in doubt, size up — you can always apply more heat, but you cannot un-shrink a tube that's too small.\n  \u003c\/div\u003e\n\n  \u003c!-- ⑤ FAQ --\u003e\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 heat shrink tubing for my wire?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eMeasure the outer diameter of your wire or connector before shrinking. Choose a tube whose inner diameter (before shrink) is typically \u003cstrong\u003e1.2–1.5× the wire's outer diameter\u003c\/strong\u003e. For example, a 4mm wire generally works well with the Dia.6mm variant. After shrinking at a 2:1 ratio, the tube will conform tightly around the wire. When in inches: a 1\/4\" (≈6mm) wire typically fits the Dia.8mm (≈5\/16\") option.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat is the shrink ratio, and what does it mean for my project?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eThis tubing generally has a \u003cstrong\u003e2:1 shrink ratio\u003c\/strong\u003e, meaning it shrinks to approximately half its original inner diameter when heat is applied. A Dia.10mm tube will recover to roughly 5mm. Always verify the final recovered diameter against your component size before cutting large quantities.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat temperature do I need to shrink this tubing, and can I use a hair dryer?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003ePolyolefin heat shrink tubing typically activates between \u003cstrong\u003e90°C–120°C (194°F–248°F)\u003c\/strong\u003e and fully recovers around 120°C (248°F). A \u003cstrong\u003eheat gun is recommended\u003c\/strong\u003e for even, controlled shrinking. A hair dryer may work for smaller diameters (Dia.1–3mm) but often lacks the sustained heat output for larger sizes. Avoid open flames, which can scorch the tubing unevenly.\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 tubing provides good moisture resistance and is suitable for most indoor and \u003cstrong\u003elight outdoor applications\u003c\/strong\u003e — garden lighting, outdoor speaker wiring, and similar projects. For fully waterproof connections (marine, underground, or submersed), consider adhesive-lined (dual-wall) heat shrink tubing instead, which creates a sealed barrier against water ingress.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eIs this tubing compatible with automotive wiring and under-hood use?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eYes. Heat shrink tubing is widely used in \u003cstrong\u003eautomotive wire harness repair\u003c\/strong\u003e, connector insulation, and terminal protection. The tubing is generally rated to withstand typical under-hood temperature ranges for standard wiring runs. For high-heat zones near the exhaust or engine block, confirm the specific continuous-use temperature rating before installation.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat is the difference between the 5M and 1M length options?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eSmaller diameters (\u003cstrong\u003eDia.1mm–5mm\u003c\/strong\u003e) come in \u003cstrong\u003e5-meter (≈16.4 ft) rolls\u003c\/strong\u003e, ideal for electronics bench work, PCB lead insulation, and projects where you need longer runs of thin sleeving. Larger diameters (\u003cstrong\u003eDia.6mm–50mm\u003c\/strong\u003e) come in \u003cstrong\u003e1-meter (≈39.4 in) lengths\u003c\/strong\u003e, suited for cable bundles, conduit terminations, and connector boots where shorter sections are typically needed per connection.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat voltage rating does this heat shrink tubing carry?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003ePolyolefin heat shrink tubing of this type is generally rated for \u003cstrong\u003elow-voltage applications up to 600V\u003c\/strong\u003e, covering the vast majority of residential, automotive, and hobbyist electrical projects. For high-voltage or industrial electrical installations, please contact us to confirm suitability for your specific application.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n  \u003c\/div\u003e\n\n  \u003c!-- ⑥ CTA BAR --\u003e\n  \u003cdiv class=\"hdiy-cta\"\u003e\n    🛒 Select your \u003cstrong\u003esize 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":"Dia.1mm x 5M","offer_id":52310637478162,"sku":"TYJ259-01","price":4.42,"currency_code":"USD","in_stock":true},{"title":"Dia.2mm x 5M","offer_id":52310637510930,"sku":"TYJ259-02","price":4.76,"currency_code":"USD","in_stock":true},{"title":"Dia.3mm x 5M","offer_id":52310637543698,"sku":"TYJ259-03","price":5.28,"currency_code":"USD","in_stock":true},{"title":"Dia.4mm x 5M","offer_id":52310637576466,"sku":"TYJ259-04","price":5.62,"currency_code":"USD","in_stock":true},{"title":"Dia.5mm x 5M","offer_id":52310637609234,"sku":"TYJ259-05","price":6.77,"currency_code":"USD","in_stock":true},{"title":"Dia.6mm x 1M","offer_id":52310637642002,"sku":"TYJ259-06","price":3.37,"currency_code":"USD","in_stock":true},{"title":"Dia.8mm x 1M","offer_id":52310637674770,"sku":"TYJ259-07","price":3.92,"currency_code":"USD","in_stock":true},{"title":"Dia.10mm x 1M","offer_id":52310637707538,"sku":"TYJ259-08","price":4.26,"currency_code":"USD","in_stock":true},{"title":"Dia.12mm x 1M","offer_id":52310637740306,"sku":"TYJ259-09","price":5.1,"currency_code":"USD","in_stock":true},{"title":"Dia.15mm x 1M","offer_id":52310637773074,"sku":"TYJ259-10","price":5.44,"currency_code":"USD","in_stock":true},{"title":"Dia.16mm x 1M","offer_id":52310637805842,"sku":"TYJ259-11","price":5.78,"currency_code":"USD","in_stock":true},{"title":"Dia.18mm x 1M","offer_id":52310637838610,"sku":"TYJ259-12","price":6.77,"currency_code":"USD","in_stock":true},{"title":"Dia.20mm x 1M","offer_id":52310637871378,"sku":"TYJ259-13","price":7.48,"currency_code":"USD","in_stock":true},{"title":"Dia.25mm x 1M","offer_id":52310637904146,"sku":"TYJ259-14","price":8.13,"currency_code":"USD","in_stock":true},{"title":"Dia.28mm x 1M","offer_id":52310637936914,"sku":"TYJ259-15","price":9.15,"currency_code":"USD","in_stock":true},{"title":"Dia.30mm x 1M","offer_id":52310637969682,"sku":"TYJ259-16","price":9.52,"currency_code":"USD","in_stock":true},{"title":"Dia.35mm x 1M","offer_id":52310638002450,"sku":"TYJ259-17","price":10.85,"currency_code":"USD","in_stock":true},{"title":"Dia.40mm x 1M","offer_id":52310638035218,"sku":"TYJ259-18","price":13.1,"currency_code":"USD","in_stock":true},{"title":"Dia.45mm x 1M","offer_id":52310638067986,"sku":"TYJ259-19","price":13.57,"currency_code":"USD","in_stock":true},{"title":"Dia.50mm x 1M","offer_id":52310638100754,"sku":"TYJ259-20","price":12.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Main-01_ffd806aa-bcd1-4257-86da-bc241a67f4a8.jpg?v=1780500906","url":"https:\/\/homediyer.com\/de\/products\/heat-shrink-tubing-1mm-50mm-wire-sleeve","provider":"HomeDIYer","version":"1.0","type":"link"}