{"product_id":"m2x50-viton-fluoroelastomer-o-ring-50mm-id-pack-of-20-chemical","title":"M2x50 Viton Fluoroelastomer O-Ring 50mm ID Pack of 20 - Chemical","description":"\u003cp\u003eIn this review the M2x50 Viton fluoroelastomer O-ring pack is evaluated for workshop and industrial use; the bottom line is that it is a reliable, high-temperature sealing option best suited to chemical, fuel and high-heat applications. The reviewer found the pack of 20 O-rings to offer consistent dimensions and robust material performance, making it a go-to for small repairs, hydraulic fittings and specialty projects where resistance to fuels and many solvents matters most.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Made from Viton fluoroelastomer, the O-ring delivers strong resistance to fuels, aromatic and aliphatic hydrocarbons, and many chemicals commonly used in engines and industrial systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature range:\u003c\/strong\u003e Rated to work from -15 degrees F (-26 degrees C) up to 400 degrees F (205 degrees C), it suits both cold-start and high-heat environments without rapid degradation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardness:\u003c\/strong\u003e With a 75A Shore durometer rating, these rings balance flexibility and resistance to penetration for reliable sealing under compressive loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard sizing:\u003c\/strong\u003e The round cross-section and metric dimensions (50 mm ID, 54 mm OD, 2 mm width) follow Aerospace sizing conventions, aiding interchangeability with common O-ring seats and caps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical compatibility:\u003c\/strong\u003e Compatible with non-flammable hydraulic fuels, silicone oils, trichlorethylene and benzene; useful when chemical exposure is expected.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValue pack:\u003c\/strong\u003e Sold in a pack of 20, the set is convenient for frequent maintenance or for keeping spares on hand.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe M2x50 Viton O-ring is aimed at hobbyists, mechanics and maintenance technicians who need a small, dependable seal for fuel systems, hydraulic fittings, or applications exposed to high heat or aromatic hydrocarbons. Its compatibility with a range of fuels and oils makes it suitable for specialty engines, power steering caps and small plumbing repairs where a durable, heat-resistant seal is required.\u003c\/p\u003e\u003cp\u003eThose working with strong alkalis, ammonia gas, low molecular organic acids, glycol-based brake fluids, or amines should look elsewhere or verify chemical compatibility before use, since Viton can be vulnerable to these fluids. For general-purpose, non-chemical household sealing tasks a softer elastomer might offer easier installation and better compression sealing.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConsistent sizing and fit make installation straightforward in standard metric seats and caps.\u003c\/li\u003e\n\u003cli\u003eExcellent heat and fuel resistance from the \u003cstrong\u003eViton\u003c\/strong\u003e material for harsh-service applications.\u003c\/li\u003e\n\u003cli\u003eGood durability reported by users, offering solid value for routine maintenance and repairs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eNot compatible with certain chemicals such as ammonia, strong alkalis and some brake fluids, limiting universal use.\u003c\/li\u003e\n\u003cli\u003eThe 75A hardness may be firmer than desired for delicate or irregular sealing surfaces.\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\u003eViton (fluoroelastomer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Diameter\u003c\/td\u003e\n\u003ctd\u003e50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Diameter\u003c\/td\u003e\n\u003ctd\u003e54 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCross-section Width\u003c\/td\u003e\n\u003ctd\u003e2 mm (round)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDurometer\u003c\/td\u003e\n\u003ctd\u003e75A Shore\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e-15 deg F (-26 deg C) to 400 deg F (205 deg C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003ePack of 20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eFor users who need a small, heat- and fuel-resistant seal, the M2x50 Viton O-ring is a practical choice that balances durability and chemical resistance at a reasonable value when bought as a pack. It is especially well suited to automotive and industrial applications where exposure to fuels and high temperatures is expected; those needing broad compatibility with alkaline or amine-based fluids should verify suitability before installing.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eAre these O-rings suitable for gasoline and diesel exposure?\u003c\/strong\u003e\u003cbr\u003eYes, Viton is broadly compatible with many fuels including diesel and common automotive fuels, making these O-rings appropriate for fuel-exposed seals.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill they fit standard metric fittings and caps?\u003c\/strong\u003e\u003cbr\u003eThese rings follow standard aerospace sizing and the specified 50 mm ID \/ 54 mm OD dimensions, so they fit metric seats and caps that accept that size range.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I use them with brake fluid or ammonia?\u003c\/strong\u003e\u003cbr\u003eNo, Viton is vulnerable to glycol-based brake fluids, ammonia and certain low molecular organic acids, so avoid those fluids or confirm compatibility first.\u003c\/p\u003e","brand":"Small Parts","offers":[{"title":"Default Title","offer_id":48637611704539,"sku":"B005RURNSA","price":39.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81iyYJCP7YL._SL1500_efbfce36-e08d-4dfd-b5d2-c3f9eb98ca35.jpg?v=1778740661","url":"https:\/\/gearmusthave.com\/products\/m2x50-viton-fluoroelastomer-o-ring-50mm-id-pack-of-20-chemical","provider":"GearMustHave","version":"1.0","type":"link"}