{"product_id":"waterproof-solder-seal-heat-shrink-butt-wire-connectors","title":"50\/70\/100Pcs Waterproof Solder Seal Heat Shrink Connectors","description":"\n\u003ch2\u003eWaterproof Solder Seal Heat Shrink Butt Wire Connectors — 50, 70 \u0026amp; 100-Piece Packs\u003c\/h2\u003e\n\u003cp\u003eMake secure, waterproof wire connections fast with these \u003cstrong\u003eSolder Seal Heat Shrink Butt Connectors\u003c\/strong\u003e. Each connector combines a copper solder ring and a heat-shrink sleeve in one — just insert the wires, apply heat, and the sleeve shrinks while the solder ring melts and bonds, creating a moisture-proof, gas-tight connection every time. Perfect for automotive wiring, marine projects, home electrical repairs, and any application that demands a reliable, long-lasting joint.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAll-in-One Design:\u003c\/strong\u003e Heat-shrink sleeve + tin solder ring in a single connector — no separate solder or flux needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWaterproof \u0026amp; Insulated:\u003c\/strong\u003e Sealed construction keeps moisture, dust, and corrosion out for a durable connection.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStrong Conductivity:\u003c\/strong\u003e Copper tape solder sleeve ensures excellent electrical conductivity and a solid bond.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRapid High-Temperature Shrink:\u003c\/strong\u003e Starts shrinking at just 80°C, locks in at \u0026gt;160°C — quick and easy with a heat gun or lighter.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Temperature Range:\u003c\/strong\u003e Rated to operate from -10°C to 100°C, suitable for both indoor and outdoor environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Pack Sizes:\u003c\/strong\u003e Choose 50, 70, or 100-piece packs with multiple wire-gauge sizes to cover every job.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConvenient Storage:\u003c\/strong\u003e Compact packaging keeps connectors organized and ready to use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWorking Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-10°C to 100°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStarting Shrinkage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e80°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFull Shrinkage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;160°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTin Ring Dissolution Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e220°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDielectric Strength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 KW\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlastic sleeve with copper tin solder ring\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePack Quantities\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50 \/ 70 \/ 100 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAutomotive \u0026amp; motorcycle wiring repairs\u003c\/li\u003e\n  \u003cli\u003eMarine \u0026amp; boat electrical systems\u003c\/li\u003e\n  \u003cli\u003eHome \u0026amp; garden outdoor wiring\u003c\/li\u003e\n  \u003cli\u003eDIY electronics projects\u003c\/li\u003e\n  \u003cli\u003eRV \u0026amp; trailer wiring\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003cp\u003eLooking for more useful workshop and home tools? Check out our \u003ca href=\"\/products\/1pc-multi-use-faucet-bubbler-wrenches-6-sizes-sink-wrenches-detach-tool-for-kitchen-bathroom-faucet-parts-repair-spanner\"\u003eMulti-Use Faucet Bubbler Wrenches\u003c\/a\u003e, our \u003ca href=\"\/products\/3pcs-silicone-sealant-scraper-set-multi-functional-caulking-nozzle-tools-for-tile-floor-joints-grout-finishing-and-renovation\"\u003eSilicone Sealant Scraper Set\u003c\/a\u003e, and our \u003ca href=\"\/products\/1pc-10g-high-grade-silicon-grease-lubricant-o-lubrication-good-odorless-smoothness-for-o-rings-tube-silicone-grease-lubricant\"\u003eHigh Grade Silicone Grease Lubricant\u003c\/a\u003e for all your repair and maintenance needs.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What wire gauges do these solder seal heat shrink connectors support?\u003c\/h4\u003e\n\u003cp\u003eA: The pack includes multiple sizes of solder seal heat shrink connectors to accommodate a range of wire gauges. Please refer to the product images for exact size charts so you can choose the right connector for your specific wire diameter.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I use a regular lighter instead of a heat gun with these solder seal connectors?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — since shrinkage begins at 80°C, a standard lighter or small butane torch can activate the heat shrink sleeve. For best results and even heat distribution, a heat gun is recommended, especially on larger wire gauges.\u003c\/p\u003e\n\u003ch4\u003eQ: Are these waterproof solder connectors suitable for outdoor or marine use?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The sealed heat-shrink design creates a waterproof, moisture-resistant barrier around the joint, making these connectors excellent for outdoor wiring, automotive, marine, and any other environment where the connection may be exposed to moisture or humidity.\u003c\/p\u003e\n\u003ch4\u003eQ: Do I need flux or extra solder to use these connectors?\u003c\/h4\u003e\n\u003cp\u003eA: No additional solder or flux is needed. Each connector already contains a pre-loaded tin solder ring that melts and flows around the wires when heat is applied, creating a clean, reliable bond in one easy step.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What wire gauges do these solder seal heat shrink connectors support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The pack includes multiple sizes of solder seal heat shrink connectors to accommodate a range of wire gauges. 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Each connector already contains a pre-loaded tin solder ring that melts and flows around the wires when heat is applied, creating a clean, reliable bond in one easy step.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"50\/70\/100Pcs Waterproof Solder Seal Heat Shrink Connectors\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/products\/waterproof-solder-seal-heat-shrink-butt-wire-connectors\"}]}\u003c\/script\u003e","brand":"Nixie","offers":[{"title":"50pcs white","offer_id":67609064603747,"sku":"1005011847068402-50pcs white","price":5.79,"currency_code":"USD","in_stock":true},{"title":"50pcs red","offer_id":67609064636515,"sku":"1005011847068402-50pcs red","price":6.0,"currency_code":"USD","in_stock":true},{"title":"50pcs mix","offer_id":67609064669283,"sku":"1005011847068402-50pcs mix","price":6.18,"currency_code":"USD","in_stock":true},{"title":"70pcs mix","offer_id":67609064702051,"sku":"1005011847068402-70pcs mix","price":8.88,"currency_code":"USD","in_stock":true},{"title":"100pcs mix","offer_id":67609064734819,"sku":"1005011847068402-100pcs mix","price":11.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/2047\/6003\/files\/S8a159405f56740c39da0b9a2b69eaa21x.webp?v=1790787191","url":"https:\/\/nixiehaven.com\/products\/waterproof-solder-seal-heat-shrink-butt-wire-connectors","provider":"Nixie","version":"1.0","type":"link"}