{"product_id":"013-epdm-o-ring-70a-7-16-in-id-500-pack-durable-weather-resistant","title":"013 EPDM O-Ring 70A 7\/16 in ID 500-Pack - Durable Weather-Resistant","description":"\u003cp\u003eOur review of the 013 EPDM O-Ring pack finds it best suited to maintenance shops, plumbing and HVAC technicians, and anyone stocking routine seals. The bottom line: this pack of 500 black EPDM o-rings delivers consistent, standardized sizing and proven resistance to ozone, sunlight and weather, so it removes a common worry in bulk purchases - whether each ring will meet nominal dimensions and perform in wet or aging environments. For sealing applications that encounter water, brake fluids, or steam exposure in routine service ranges, these o-rings are a practical, cost-effective choice.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard AS568 size:\u003c\/strong\u003e The 013 sizing ensures compatibility with common grooves and fittings that accept a 7\/16 in ID o-ring for straightforward replacements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEPDM compound:\u003c\/strong\u003e The material gives excellent resistance to ozone, sunlight and weathering, extending service life outdoors or in damp environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e70A durometer:\u003c\/strong\u003e A medium hardness that balances flexibility with sealing force, useful for static and some low-dynamic sealing tasks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide temperature range:\u003c\/strong\u003e Rated from -55C to 125C, the o-rings remain flexible in cold and stable across normal operating heat for many fluid systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge pack quantity:\u003c\/strong\u003e Supplied as a 500-pack, it offers value for shops and production lines that consume common sizes frequently and want consistent parts on hand.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical compatibility:\u003c\/strong\u003e Performs well with water, alcohols, dilute acids and alkalis, brake fluids and many polar solvents, expanding its usable applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThese o-rings are ideal for industrial maintenance teams, plumbers, HVAC technicians and hobbyists who require a reliable, weather-resistant seal in bulk. The pack size and standardized dimensions make it convenient for stocking and repetitive replacements where cost and consistency matter.\u003c\/p\u003e\n\u003cp\u003eThose who need resistance to petroleum oils, strong hydrocarbons, or specialized high-pressure dynamic sealing should look elsewhere; EPDM is not recommended for many nonpolar solvents and certain hydraulic oils outside its listed compatibilities.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConsistent AS568 013 sizing simplifies replacements in common fittings and grooves.\u003c\/li\u003e\n\u003cli\u003eEPDM compound provides strong resistance to ozone, sunlight, weathering and aging for outdoor and damp applications.\u003c\/li\u003e\n\u003cli\u003e500-piece pack reduces per-unit cost and keeps a ready supply for shops and production use.\u003c\/li\u003e\n\u003cli\u003eAcceptable performance with water, alcohols, brake fluid and phosphate ester hydraulic fluids increases versatility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEPDM is not suitable for many petroleum-based oils and certain solvents, limiting use in some automotive or oil-heavy applications.\u003c\/li\u003e\n\u003cli\u003eThe nominal and actual cross-section differ slightly, so precise dynamic sealing tolerances may require measurement before use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eEPDM\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\u003eNominal Dimensions\u003c\/td\u003e\n\u003ctd\u003e7\/16 in ID, 9\/16 in OD, 1\/16 in CS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eActual Dimensions\u003c\/td\u003e\n\u003ctd\u003e0.426 in ID, 0.566 in OD, 0.070 in CS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMetric Dimensions\u003c\/td\u003e\n\u003ctd\u003e10.82 mm ID, 14.38 mm OD, 1.78 mm CS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e-55C (-67F) to 125C (257F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003ePack of 500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThis 013 EPDM 70A o-ring 500-pack is a pragmatic choice for anyone who needs reliable, weather-resistant seals in bulk. It offers consistent AS568 sizing, versatile chemical tolerance for water and polar fluids, and a useful temperature range, delivering good value for maintenance, plumbing and HVAC use while avoiding applications that require oil-resistant compounds.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these o-rings suitable for outdoor exposure?\u003c\/strong\u003e\u003cbr\u003eYes. The EPDM compound resists ozone, sunlight and weathering, making them appropriate for outdoor and damp environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan these be used with automotive oils?\u003c\/strong\u003e\u003cbr\u003eNo. EPDM is not recommended for many petroleum-based oils and strong hydrocarbons, so choose a different material for those fluids.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo the dimensions match standard fittings?\u003c\/strong\u003e\u003cbr\u003eYes. The rings follow AS568 013 nominal sizing and list both nominal and actual dimensions for accurate selection.\u003c\/p\u003e","brand":"Mr O-Ring","offers":[{"title":"Default Title","offer_id":48198423314651,"sku":"B07R877PVG","price":34.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51Kuv29LevL._SL1000_b6b3737f-ea5b-4a20-ba2b-27418b81ee54.jpg?v=1770294410","url":"https:\/\/gearmusthave.com\/products\/013-epdm-o-ring-70a-7-16-in-id-500-pack-durable-weather-resistant","provider":"GearMustHave","version":"1.0","type":"link"}