O-ring Size Chart
and Material Information

	Material Recomended Use Not Recomended For Buna-N (Nitrile) Standard: 70 & 90 Durometer Black Temperature Range: -35ºF to 250ºF Silicone Greases / Oils Water Petroleum Oils / Fuels Ethylene Glycol Fluids Keytones (MEK) Halogenated Hydrocarbons Auto / Aircraft Brake Fluids Strong Acids Sunlight, Ozone, Weathering EPDM (Ethylene Propylene) Standard: 70 Durometer Black Temperature Range: -60ºF to 250ºF NSF 61 Sunlight, Ozone, Weathering Hot Water and Steam Auto / Aircraft Brake Fluids Some Acids ans Bases Keytones ans Alcohols Plumbing / Drinking Water Drive Belts Petroleum Oils Fuels Silicone (VMQ) Standard: 70 Durometer Orange Temperature Range: -65ºF to 450ºF FDA Approved Dry Heat Wide Temperature Range Sunlight, Ozone, Weathering Odorless and Non-Toxic Keytones (MEK) Acids Silicone Oils Brake Fluids Viton® (Fluorocarbon Type A, FKM) Standard: 75 Durometer Black Temperature Range: -15ºF to 400ºF Most Acids / Chemicals Halogenated Hydrocarbons Di-Ester Lubricants Petroleum Oils / Fuels Silicone Oils / Greases Keytones (MEK) Auto / Aircraft Brake Fluids Amines (Ammonia) Acetone, Skydrol, Ethyl Accetate Hot Water and Steam Low Molecular Esters and Ethers HNBR (NITRILE, Hydrogenated) Standard: 70 Durometer Green Temperature Range: -40° to +300°F. (Dry Heat Only) ALL oil resistant applications, including exposure to such oil additives as detergents, anti-oxidants and anti-wear agents. Exposure to oil soured with metal sludge. Seals for oil well applications. Seals for automotive fuel handling systems. Seals for general industrial usage.   Teflon® Standard: Non-Elastic White Temperature Range: -250ºF to 450ºF Chemical Resistance Fuel Resistance Low Coefficient of Friction Non-Elastic Perfluoroelastomer Chemraz® / Kalrez® / Simriz® Various Compounds Designed for Specific Applications Temperature Range: -10ºF to 615ºF High Temperature Resistance Excellent Chemical Resistance Low Out Gassing Chlorine Wet/Dry Petroleum Oil Chlorinated Hydrocarbons Molten metals Gaseous Alkali Metals Halogenated Freons/Fluids Uranium Hexafluoride Polyurethane (AU, EU) Standard: 90 Durometer Translucent Temperature Range: -65ºF to 200ºF Drive Belts Some Petroleum Oils Some Hydrocarbon Fuels Oxygen / Ozone Keytones (MEK) Acids Auto / Aircraft Brake Fluids Chlorinated Hydrocarbons Water Fluorosilicone Standard: 70 Durometer Blue Temperature Range: -80ºF to 450ºF Jet Fuel Dry Heat Wide Temperature Range Some Petroleum Oils Clorinated Solvents Keytones (MEK) Phosphate Esters Some Acids Auto / Aircraft Brake Fluids Amines (Ammonia) Neoprene® (Chloroprene) Standard: 70 Durometer Black Temperature Range: -35ºF to 250ºF Refrigerants (Freon) Ammonia Some Petrolium Oils Dilute Acids Silicone ester Lubricants Keytones (MEK) Gasoline Auto / Aircraft Brake Fluids

New Information: O-ring Size and Compound information pages.

For End Users:
This site will be dedicated to posting information to assist you get the correct size and compound. You will be able to find size charts, tables, and formulas for getting the correct size and styles. Chemicals charts will be loaded to inform you of the best compound for your particular needs and budget. We will also provide you information as were to buy.

For Suppliers:
Publicity is the most cost-effective marketing tool there is and it’s the only part of a marketing strategy that builds credibility. Many industries have innovative companies that are relatively unknown. For these companies to gain an edge over their competition, it is vital that they build credibility through publicity. If your information and services can add real value to the end users please contact us via email. Include your product, services, information, and how we may help each other and others

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