{"product_id":"buna-n-o-ring-splicing-kit-70a-durometer-diy-seal-repair-kit","title":"Buna-N O-Ring Splicing Kit, 70A Durometer - DIY Seal Repair Kit","description":"\u003cp\u003eIn this review of the Buna-N O-Ring Splicing Kit the bottom line is straightforward: this kit is for technicians, hobbyists, and maintenance crews who need a compact, hands-on solution to fabricate and repair o-rings on site. The reviewer found the biggest reason to buy is its combination of multiple common cord sizes and a complete set of tools in one plastic box, which makes creating custom o-rings practical without special ordering. Ease of use and the 70A hardness that suits general sealing tasks are emphasized throughout this review.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuna-N material:\u003c\/strong\u003e Provides good compatibility with petroleum, vegetable oil, alcohols and many aliphatic hydrocarbons for general industrial repairs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e70A durometer:\u003c\/strong\u003e Offers a balanced hardness that works well for many static and light dynamic sealing applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFive cord sizes:\u003c\/strong\u003e Includes 7 ft of five standard cross sections so you can make a wide range of o-ring sizes without buying separate stock.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete kit contents:\u003c\/strong\u003e Comes with a splicing jig, cutting tool and adhesive so you can prepare and bond joints accurately on the workbench or in the field.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide temperature range:\u003c\/strong\u003e Usable from -40 degrees F to 212 degrees F, covering many shop and equipment environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAssembled in the USA:\u003c\/strong\u003e Packaged domestically, which can matter for quality control and lead time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis kit is ideal for maintenance technicians, industrial mechanics, and DIYers who need to fabricate replacement o-rings from cord stock without waiting for custom orders. The included tools and adhesive let users complete a repair in a single visit, which is valuable for planned maintenance or emergency fixes.\u003c\/p\u003e\u003cp\u003eThose who require specialty elastomers (for example fluorocarbon or silicone) or extreme temperature\/chemical resistance should look elsewhere, since this kit is Buna-N 70A and is not suited for some aggressive solvents like ketones or for very high temperature service.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMultiple cord sizes give the flexibility to create a variety of o-ring diameters from one kit.\u003c\/li\u003e\n\u003cli\u003eIncluded jig, cutter and adhesive make the splicing process straightforward and repeatable.\u003c\/li\u003e\n\u003cli\u003eCustomers report good build quality and clear instructions, making the kit easy to use even for first-time splicers.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBuna-N is vulnerable to certain solvents such as acetone and other ketones, limiting use in some chemical environments.\u003c\/li\u003e\n\u003cli\u003eThe kit uses standard black plastic packaging and the box color may vary, so it is functional rather than high-end presentation.\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-N (nitrile)\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 stock included\u003c\/td\u003e\n\u003ctd\u003e0.070 in, 0.103 in, 0.139 in, 0.210 in, 0.275 in (7 ft each)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContents\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\u003eTemperature range\u003c\/td\u003e\n\u003ctd\u003e-40 degrees F to 212 degrees F (-40 C to 100 C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAssembled\u003c\/td\u003e\n\u003ctd\u003eUSA\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, economical choice for anyone who needs on-demand o-ring fabrication and general-purpose chemical resistance. It delivers good value by combining multiple common cord sizes with the tools and adhesive required to finish a splice, making it well suited for maintenance shops and field repairs where time and parts availability matter.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eCan this kit be used with petroleum-based fluids?\u003c\/strong\u003e\u003cbr\u003eYes, Buna-N is compatible with many petroleum-based fluids and aliphatic hydrocarbons, which makes it suitable for typical hydraulic and fuel system repairs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat temperatures can the o-rings tolerate?\u003c\/strong\u003e\u003cbr\u003eThe cord is rated for roughly -40 degrees F to 212 degrees F, so it covers most shop and engine compartment conditions but not extreme high temperature service.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre all tools included to make a finished o-ring?\u003c\/strong\u003e\u003cbr\u003eYes; the kit supplies a splicing jig, cutting tool and adhesive along with instructions so you can cut, splice and bond finished o-rings.\u003c\/p\u003e","brand":"Beaver Island Parts Company","offers":[{"title":"Default Title","offer_id":48620311511259,"sku":"B09X4MPZ8H","price":47.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71-gM1U18oL._SL1500_444daf2e-52ee-4313-91f8-5653091af55d.jpg?v=1778499025","url":"https:\/\/gearmusthave.com\/products\/buna-n-o-ring-splicing-kit-70a-durometer-diy-seal-repair-kit","provider":"GearMustHave","version":"1.0","type":"link"}