{"product_id":"heat-shrink-tube-kit-2-1-black-1mm-8mm-assorted-wire-insulation","title":"Heat Shrink Tube Kit 2:1 Black — 1mm to 8mm Assorted Sizes for Wire \u0026 Connector Insulation","description":"\u003ch2\u003eHeat Shrink Tube Kit — 2:1 Black, 1–8mm Assorted Sizes\u003c\/h2\u003e\u003cp\u003eA comprehensive assortment of \u003cstrong\u003eblack polyolefin heat shrink tubing\u003c\/strong\u003e in a \u003cstrong\u003e2:1 shrink ratio\u003c\/strong\u003e, covering sizes from \u003cstrong\u003e1mm to 8mm\u003c\/strong\u003e diameter. Essential for wire insulation, connector protection, cable bundling, and strain relief in electronics, automotive, and DIY projects. Shrinks cleanly with a heat gun or lighter at 125°C.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003ePolyolefin (RoHS compliant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShrink Ratio\u003c\/td\u003e\n\u003ctd\u003e2:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSizes Included\u003c\/td\u003e\n\u003ctd\u003e1mm, 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShrink Temperature\u003c\/td\u003e\n\u003ctd\u003e125°C (min activation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-55°C to +125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Rating\u003c\/td\u003e\n\u003ctd\u003e600V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlame Retardant\u003c\/td\u003e\n\u003ctd\u003eYes (UL224 VW-1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3\u003eWhy Choose This Kit?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003e9 sizes in one kit\u003c\/strong\u003e — covers 1mm to 8mm, suitable for thin signal wires to thick power cables\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e2:1 shrink ratio\u003c\/strong\u003e — reliable tight fit on wires, connectors, and solder joints\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e600V rated\u003c\/strong\u003e — suitable for mains-voltage wiring and automotive applications\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eFlame retardant (VW-1)\u003c\/strong\u003e — self-extinguishing for safety-critical applications\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eRoHS compliant polyolefin\u003c\/strong\u003e — no PVC, no halogens, environmentally friendly\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eCompatible With \/ Works With\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eJST connector wire insulation (1mm–2mm for SH1.0\/GH1.25\/PH2.0 wires)\u003c\/li\u003e\n\u003cli\u003eDuPont jumper wire repair and reinforcement (2mm–3mm)\u003c\/li\u003e\n\u003cli\u003eXT30\/XT60 connector solder joint protection (4mm–6mm)\u003c\/li\u003e\n\u003cli\u003eArduino\/ESP32 project wire management (2mm–4mm)\u003c\/li\u003e\n\u003cli\u003eAutomotive wiring harness repair (4mm–8mm)\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWire Insulation\u003c\/strong\u003e — cover solder joints on JST, DuPont, and XT60 connectors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnector Protection\u003c\/strong\u003e — strain relief on USB, DC barrel, and audio connectors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Bundling\u003c\/strong\u003e — group multiple wires into a neat harness\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePCB Component Protection\u003c\/strong\u003e — insulate exposed leads on through-hole components\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomotive Repair\u003c\/strong\u003e — waterproof wire splice insulation (use adhesive-lined variant for full waterproofing)\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: Can I use a lighter instead of a heat gun?\u003c\/strong\u003e\u003cbr\u003eA: Yes, for small sizes (1–3mm). Keep the flame moving to avoid burning. A heat gun provides more even and controlled shrinkage, especially for larger sizes (5–8mm).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Is this tubing waterproof?\u003c\/strong\u003e\u003cbr\u003eA: Standard 2:1 polyolefin tubing is water-resistant but not fully waterproof. For waterproof applications, use \u003cstrong\u003eadhesive-lined (3:1) heat shrink\u003c\/strong\u003e which has a hot-melt adhesive inner layer.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What size should I use for JST PH2.0 wires?\u003c\/strong\u003e\u003cbr\u003eA: JST PH2.0 uses 26–28AWG wire (~0.4mm conductor). Use \u003cstrong\u003e1.5mm or 2mm\u003c\/strong\u003e heat shrink for individual wire insulation, or \u003cstrong\u003e3mm–4mm\u003c\/strong\u003e for covering the connector crimp area.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eAssorted black heat shrink tubing — sizes 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 8mm (quantity per size per variant selected)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991480324331,"sku":"\u003cnone\u003e","price":9.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/heat-shrink-tube-kit-2-1.webp?v=1761547254","url":"https:\/\/keszoox.com\/products\/heat-shrink-tube-kit-2-1-black-1mm-8mm-assorted-wire-insulation","provider":"Keszoox","version":"1.0","type":"link"}