{"product_id":"buna-n-o-ring-splicing-kit-70a-durometer-1-8-in-cord-durable-repair","title":"Buna-N O-Ring Splicing Kit 70A Durometer, 1\/8 in Cord - Durable Repair","description":"\u003cp\u003eIn this review of the Buna-N O-Ring Splicing Kit the bottom line is clear: this kit is for technicians, hobbyists, and maintenance staff who need a compact, reliable way to fabricate replacement o-rings on site. It includes 12 ft of 1\/8 in Buna-nitrile cord and the essential tools to cut, splice, and bond custom o-rings, so the single biggest reason to buy is the convenience of making serviceable, oil- and fuel-resistant o-rings without waiting for parts. The review is based on build details, materials, and typical field use scenarios.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Buna-nitrile composition provides compatibility with many petroleum and vegetable-based fluids, making it useful in hydraulic and plumbing repairs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurometer:\u003c\/strong\u003e 70A hardness balances flexibility and sealing force, suitable for many dynamic and static sealing applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete kit:\u003c\/strong\u003e The plastic box includes cord stock, splicing jig, cutting tool, adhesive, and instructions so a user can make o-rings straight out of the box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature range:\u003c\/strong\u003e Rated from -40 degrees F to 212 degrees F, allowing use across a wide set of environmental and equipment conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength and size:\u003c\/strong\u003e Twelve feet of 0.139 in diameter cord gives enough material to produce one large o-ring up to 45 in diameter or multiple smaller seals.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe kit is aimed at field technicians, industrial maintenance teams, and do-it-yourselfers who encounter worn or nonstandard o-ring sizes and need a fast repair option. Its combination of cord stock and a simple splicing jig makes it particularly good for emergency repairs or for shops that maintain a broad range of equipment.\u003c\/p\u003e\u003cp\u003eThose who should look elsewhere include users who require exotic elastomers (fluoroelastomer, silicone) or precise factory-molded o-rings for critical aerospace or medical systems; this kit is a practical repair solution rather than a substitute for certified molded parts in highly regulated applications.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDurable Buna-N material offers good resistance to petroleum-based fluids and typical shop environments.\u003c\/li\u003e\n\u003cli\u003eUseful all-in-one kit: jig, cutter, adhesive and instructions simplify fabrication for first-time users.\u003c\/li\u003e\n\u003cli\u003eWide temperature tolerance and 70A hardness cover many common sealing needs without requiring multiple materials.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eNot suitable where non-Buna elastomers are required for chemical compatibility or regulatory reasons.\u003c\/li\u003e\n\u003cli\u003eThe supplied plastic box color may vary and is a minor cosmetic inconsistency.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eBuna-nitrile (Buna-N)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDurometer\u003c\/td\u003e\n\u003ctd\u003e70A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCord diameter\u003c\/td\u003e\n\u003ctd\u003e0.139 in (1\/8 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCord length\u003c\/td\u003e\n\u003ctd\u003e12 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature range\u003c\/td\u003e\n\u003ctd\u003e-40 degrees F to 212 degrees F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKit contents\u003c\/td\u003e\n\u003ctd\u003eO-ring cord, splicing jig, cutting tool, adhesive, instructions, plastic box\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAssembly\u003c\/td\u003e\n\u003ctd\u003eAssembled in the USA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe Buna-N O-Ring Splicing Kit is a practical, cost-effective solution for on-site repairs and custom o-ring fabrication. Maintenance teams and hands-on users will appreciate the ready-to-use kit and the material's compatibility with petroleum-based fluids. It is good value for anyone needing quick, reliable replacements but not intended to replace specialized molded o-rings in regulated applications.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWhat size o-ring can I make?\u003c\/strong\u003e\u003cbr\u003eYou can make one o-ring up to about 45 in in diameter or multiple smaller o-rings from the 12 ft of cord included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the material fuel resistant?\u003c\/strong\u003e\u003cbr\u003eYes, Buna-nitrile offers compatibility with a variety of petroleum and vegetable-based fluids, making it suitable for many fuel and oil sealing tasks.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the kit include adhesive and instructions?\u003c\/strong\u003e\u003cbr\u003eYes, the kit includes adhesive, a splicing jig, a cutting tool, and printed instructions to guide fabrication.\u003c\/p\u003e","brand":"Beaver Island Parts Company","offers":[{"title":"Default Title","offer_id":48246774431963,"sku":"B09X4PFPS3","price":36.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71-gM1U18oL._SL1500_1cac8ab4-3172-4d27-bd44-45829501057b.jpg?v=1776286155","url":"https:\/\/gearmusthave.com\/products\/buna-n-o-ring-splicing-kit-70a-durometer-1-8-in-cord-durable-repair","provider":"GearMustHave","version":"1.0","type":"link"}