{"product_id":"3m-7000021421-fp-301-heat-shrink-tubing-1-2-in-black-100-ft","title":"3M 7000021421 FP-301 Heat Shrink Tubing 1\/2 in Black 100 Ft","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe 3M 7000021421 is a thin-wall heat shrink tubing sold as a 100-foot spool in black, part of the FP-301 product line. It is designed to provide electrical insulation, strain relief, and environmental protection on wire splices, terminals, and cable bundles. The FP-301 series is rated for a broad range of industrial and military applications, offering a reliable balance of electrical, physical, and chemical resistance properties. Electricians, panel builders, and wire harness assemblers use this tubing as a standard sleeving solution wherever a clean, durable insulated finish is required.\u003c\/p\u003e\n\u003cp\u003eThis tubing is suited for residential and commercial electrical work, industrial wiring, and military-specification applications. The 1\/2-inch diameter size accommodates a range of conductor and connector sizes commonly encountered in control panel wiring, wire bundling, and terminal insulation. It is available in a 100-foot spool format for bench or field use, with a case quantity of 300 feet for higher-volume jobs.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eThin-wall construction provides a low-profile insulated finish on conductors and terminals\u003c\/li\u003e\n  \u003cli\u003eBlack color for standard identification and UV concealment in wiring assemblies\u003c\/li\u003e\n  \u003cli\u003e100-foot spool format allows easy dispensing during panel builds or field repairs\u003c\/li\u003e\n  \u003cli\u003eBalanced electrical, physical, and chemical properties suitable for industrial and military use\u003c\/li\u003e\n  \u003cli\u003eFP-301 series rated for a wide variety of sleeving and insulation applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style sleeving solution for wire splices, terminals, connectors, and cable bundles in industrial, commercial, and military electrical assemblies requiring a 1\/2-inch thin-wall heat shrink sleeve.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is typically performed by licensed electricians or qualified wire harness technicians. De-energize all circuits completely before applying heat shrink tubing to any conductor or terminal. Use a calibrated heat gun set to the appropriate shrink temperature and move it evenly along the tubing to prevent scorching or uneven shrinkage. Follow applicable NEC guidelines for insulation and sleeving requirements in your specific application.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiameter\u003c\/strong\u003e: 1\/2 inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor\u003c\/strong\u003e: Black\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpool Length\u003c\/strong\u003e: 100 feet\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCase Quantity\u003c\/strong\u003e: 300 feet\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUnit of Measure\u003c\/strong\u003e: Foot\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.02 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC\u003c\/strong\u003e: 00051135355862\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\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: 7000021421\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"3M","offers":[{"title":"Default Title","offer_id":51347652837682,"sku":"7000021421","price":248.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/310531970.jpg?v=1782110628","url":"https:\/\/voomisupply.com\/products\/3m-7000021421-fp-301-heat-shrink-tubing-1-2-in-black-100-ft","provider":"Voomi Supply","version":"1.0","type":"link"}