{"product_id":"65ft-1-4-inch-heat-shrink-tubing-roll-3-1","title":"65Ft 1\/4 Inch Heat Shrink Tubing Roll","description":"\u003cp\u003e\u003cstrong\u003e65Ft 1\/4 Inch Heat Shrink Tubing Roll\u003c\/strong\u003e provides a continuous 65-foot length of 3:1 dual-wall, adhesive-lined tubing for sealing, insulating, strain relief, and color identification on compatible wire and cable joints. The supplied inner diameter is at least 6.4mm and the fully recovered inner diameter is no more than 2.2mm.\u003c\/p\u003e\n\u003cdetails style=\"border-top:1px solid #ddd;\"\u003e\u003csummary style=\"font-size:18px;font-weight:600;line-height:1.4;letter-spacing:normal;padding:14px 0;cursor:pointer;font-family:inherit;\"\u003eSpecifications\u003c\/summary\u003e\n\u003cdiv style=\"width:100%;max-width:100%;min-width:0;overflow-x:auto;contain:inline-size;-webkit-overflow-scrolling:touch;\"\u003e\n\u003ctable style=\"width:max-content;min-width:100%;max-width:none;table-layout:auto;font-family:inherit;font-size:inherit;line-height:inherit;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"white-space:nowrap;word-break:normal;overflow-wrap:normal;font-family:inherit;font-size:inherit;line-height:inherit;\"\u003eBefore Diameter\u003c\/th\u003e\n\u003cth style=\"white-space:nowrap;word-break:normal;overflow-wrap:normal;font-family:inherit;font-size:inherit;line-height:inherit;\"\u003eRecovered Diameter\u003c\/th\u003e\n\u003cth style=\"white-space:nowrap;word-break:normal;overflow-wrap:normal;font-family:inherit;font-size:inherit;line-height:inherit;\"\u003eShrink Ratio\u003c\/th\u003e\n\u003cth style=\"white-space:nowrap;word-break:normal;overflow-wrap:normal;font-family:inherit;font-size:inherit;line-height:inherit;\"\u003eWall Thickness\u003c\/th\u003e\n\u003cth style=\"white-space:nowrap;word-break:normal;overflow-wrap:normal;font-family:inherit;font-size:inherit;line-height:inherit;\"\u003eLength\u003c\/th\u003e\n\u003cth style=\"white-space:nowrap;word-break:normal;overflow-wrap:normal;font-family:inherit;font-size:inherit;line-height:inherit;\"\u003eTemperature\/Application\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd style=\"white-space:nowrap;word-break:normal;overflow-wrap:normal;font-family:inherit;font-size:inherit;line-height:inherit;\"\u003e1\/4 inch \/ 6.4mm; supplied ID ≥6.4mm\u003c\/td\u003e\n\u003ctd style=\"white-space:nowrap;word-break:normal;overflow-wrap:normal;font-family:inherit;font-size:inherit;line-height:inherit;\"\u003eFully recovered ID ≤2.2mm\u003c\/td\u003e\n\u003ctd style=\"white-space:nowrap;word-break:normal;overflow-wrap:normal;font-family:inherit;font-size:inherit;line-height:inherit;\"\u003e3:1\u003c\/td\u003e\n\u003ctd style=\"white-space:nowrap;word-break:normal;overflow-wrap:normal;font-family:inherit;font-size:inherit;line-height:inherit;\"\u003e1.25 ± 0.3mm total wall; 0.45 ± 0.2mm adhesive layer\u003c\/td\u003e\n\u003ctd style=\"white-space:nowrap;word-break:normal;overflow-wrap:normal;font-family:inherit;font-size:inherit;line-height:inherit;\"\u003e65 ft roll\u003c\/td\u003e\n\u003ctd style=\"white-space:nowrap;word-break:normal;overflow-wrap:normal;font-family:inherit;font-size:inherit;line-height:inherit;\"\u003eShrink temperature 257°F \/ 125°C; wire insulation, sealing, and strain relief\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\u003cdetails style=\"border-top:1px solid #ddd;\"\u003e\u003csummary style=\"font-size:18px;font-weight:600;line-height:1.4;letter-spacing:normal;padding:14px 0;cursor:pointer;font-family:inherit;\"\u003eApplications\u003c\/summary\u003e\n\u003cp\u003eUse this 1\/4-inch tubing for compatible automotive, marine, equipment, appliance, and workshop wiring where the sleeve must seal around a finished cable joint. Blue, red, yellow, black, and green variants support project identification. Do not use it where the 6.4mm starting diameter cannot pass over the largest part of the connection or the recovered diameter cannot grip the smallest section.\u003c\/p\u003e\n\u003c\/details\u003e\u003cdetails style=\"border-top:1px solid #ddd;\"\u003e\u003csummary style=\"font-size:18px;font-weight:600;line-height:1.4;letter-spacing:normal;padding:14px 0;cursor:pointer;font-family:inherit;\"\u003eHow to Choose\u003c\/summary\u003e\n\u003cp\u003eMeasure the largest diameter the tubing must slide over and the smallest diameter it must seal after heating. Confirm the supplied inner diameter of at least 6.4mm clears the connection and the recovered inner diameter of no more than 2.2mm will seal the finished joint. Select color by the project identification standard rather than by wire gauge alone.\u003c\/p\u003e\n\u003c\/details\u003e\u003cdetails style=\"border-top:1px solid #ddd;\"\u003e\u003csummary style=\"font-size:18px;font-weight:600;line-height:1.4;letter-spacing:normal;padding:14px 0;cursor:pointer;font-family:inherit;\"\u003eHow to Use\u003c\/summary\u003e\n\u003col\u003e\n\u003cli\u003eDisconnect power, cut the required tubing length, and slide it over the cable before completing the connection.\u003c\/li\u003e\n\u003cli\u003eCenter the tubing over the finished joint with sufficient overlap on both sides.\u003c\/li\u003e\n\u003cli\u003eApply controlled heat evenly from the center outward while keeping the heat source moving.\u003c\/li\u003e\n\u003cli\u003eStop heating after the tubing has fully recovered and the adhesive has formed an even seal.\u003c\/li\u003e\n\u003cli\u003eAllow the joint to cool before bending, pulling, testing, or restoring power.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/details\u003e\u003cdetails style=\"border-top:1px solid #ddd;border-bottom:1px solid #ddd;\"\u003e\u003csummary style=\"font-size:18px;font-weight:600;line-height:1.4;letter-spacing:normal;padding:14px 0;cursor:pointer;font-family:inherit;\"\u003eFAQ\u003c\/summary\u003e\n\u003ch3\u003eWhat does the 3:1 shrink ratio mean?\u003c\/h3\u003e\n\u003cp\u003eThe tubing can recover to about one-third of its supplied diameter when heated correctly. This 6.4mm size has a specified fully recovered inner diameter of no more than 2.2mm.\u003c\/p\u003e\n\u003ch3\u003eHow do I choose the correct tubing diameter?\u003c\/h3\u003e\n\u003cp\u003eThe expanded size must clear the largest component, while the recovered size must seal tightly around the smallest section. Do not choose by wire gauge alone.\u003c\/p\u003e\n\u003ch3\u003eCan I shrink the tubing with an open flame?\u003c\/h3\u003e\n\u003cp\u003eUse a controlled heat gun. An open flame can scorch the sleeve, damage nearby insulation, and create an uneven adhesive seal.\u003c\/p\u003e\n\u003cp\u003eFor other diameters and formats, browse the \u003ca href=\"\/collections\/heat-shrink-tubing\"\u003eheat shrink tubing collection\u003c\/a\u003e.\u003c\/p\u003e\u003c\/details\u003e","brand":"haisstronica","offers":[{"title":"Blue","offer_id":42283679481879,"sku":"HX1726","price":25.99,"currency_code":"USD","in_stock":true},{"title":"Red","offer_id":42283679776791,"sku":"HX1688","price":22.99,"currency_code":"USD","in_stock":true},{"title":"Yellow","offer_id":42283680268311,"sku":"HX1739","price":25.99,"currency_code":"USD","in_stock":true},{"title":"Black","offer_id":42283680530455,"sku":"HX1675","price":22.99,"currency_code":"USD","in_stock":true},{"title":"Green","offer_id":44334466760727,"sku":"HX1713","price":25.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0012\/8221\/1914\/files\/6-4_2_026274de-babc-45be-a918-e978c4979add.jpg?v=1745371968","url":"https:\/\/haisstronica.com\/products\/65ft-1-4-inch-heat-shrink-tubing-roll-3-1","provider":"Haisstronica","version":"1.0","type":"link"}