{"product_id":"3m-7100064257-heat-shrink-tubing-0-25-in-black-6-in","title":"3M 7100064257 Heat Shrink Tubing 0.25 in Black 6 in","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe 3M 7100064257 is a multiple-wall, semi-rigid heat shrink tubing designed for electrical insulation, strain relief, and environmental sealing of wire splices, terminals, and connector assemblies. Built from co-extruded, selectively cross-linked polyolefin, it features a 2.5:1 shrink ratio and an integral meltable inner wall that flows into voids and around irregular surfaces as heat is applied. Each piece measures 6 inches in length and is sold in packs of 10 pieces. Licensed electricians, harness builders, and MRO technicians are the primary installers.\u003c\/p\u003e\u003cp\u003eThis tubing is suited for applications requiring a durable outer sleeve combined with a bonding inner layer — typical in aerospace wire bundles, industrial control panels, and automotive or marine electrical assemblies. The meltable inner wall creates an adhesive-like seal that improves pull-off resistance and blocks moisture ingress, making it a practical choice where environmental protection is required alongside mechanical strain relief.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e2.5:1 shrink ratio accommodates a range of wire and connector diameters\u003c\/li\u003e\n\u003cli\u003eCo-extruded multiple-wall construction with a meltable inner wall for environmental sealing\u003c\/li\u003e\n\u003cli\u003eSemi-rigid polyolefin outer wall provides mechanical protection after recovery\u003c\/li\u003e\n\u003cli\u003eSelectively cross-linked material maintains dimensional stability during shrink\u003c\/li\u003e\n\u003cli\u003eBlack coloring for standard identification and UV resistance in light-exposure environments\u003c\/li\u003e\n\u003cli\u003e6-inch cut lengths allow precise application without excess waste\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style heat shrink sleeve for electrical wire splices, terminals, and connector backshells requiring a bonded, environmentally sealed installation.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is performed by qualified electricians or wire harness technicians following applicable NEC guidelines for insulation and termination. Power down and de-energize all circuits before applying tubing to any live conductor assembly. Apply heat evenly using a calibrated heat gun, working from the center of the sleeve outward to prevent air pockets from forming under the tubing. Do not use an open flame as the heat source, as uncontrolled temperatures can damage the tubing or adjacent components.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eShrink Ratio\u003c\/strong\u003e: 2.5:1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall Construction\u003c\/strong\u003e: Multiple-wall, semi-rigid polyolefin with meltable inner wall\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor\u003c\/strong\u003e: Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiece Length\u003c\/strong\u003e: 6 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack Quantity\u003c\/strong\u003e: 10 pieces per pack\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCase Quantity\u003c\/strong\u003e: 10 packs per case\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.05 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC\u003c\/strong\u003e: 00051128600931\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: 3M\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 7100064257\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"3M","offers":[{"title":"Default Title","offer_id":51343036547378,"sku":"7100064257","price":336.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/310530815.jpg?v=1782014469","url":"https:\/\/voomisupply.com\/products\/3m-7100064257-heat-shrink-tubing-0-25-in-black-6-in","provider":"Voomi Supply","version":"1.0","type":"link"}