AS568 Standard O-Rings
Jyelastomer offer a complete range of AS568 standard O-rings, available in all five common cross-section sizes: 1.78 mm, 2.62 mm, 3.53 mm, 5.33 mm, and 6.99 mm. With thousands of standard sizes available from stock, we support demanding applications ranging from hydraulic sealing systems to semiconductor vacuum processes.
Key Materials & Environmental Performance
General Oil Resistance — NBR (Nitrile Rubber)
Suitable for general-purpose hydraulic and lubrication systems, offering reliable resistance to oils and fuels.
High-Temperature & Chemical Resistance — FKM (Viton™ / Fluoroelastomer)
Designed for demanding aerospace, automotive, and chemical processing applications, with excellent resistance to high temperatures and aggressive chemicals.
Wide Temperature Range & Food-Grade Applications — Silicone (VMQ)
Provides excellent high- and low-temperature flexibility, along with outstanding electrical insulation and suitability for food-contact applications.
Extreme Processing & ESD-Control Applications — FFKM, HNBR, EPDM & CR
Custom material solutions are available for extreme temperatures, aggressive chemicals, semiconductor processing, vacuum applications, and anti-static/ESD-sensitive environments.
| Material | Key Properties | Typical Applications |
|---|---|---|
| Nitrile Rubber (NBR) | Excellent oil and abrasion resistance; cost-effective; typically 70–90 Shore A | Hydraulic systems, pneumatic circuits, fuel lines, and general industrial applications |
| Fluoroelastomer (FKM / Viton™) | Excellent high-temperature resistance (up to 200°C+, depending on grade) and outstanding chemical resistance | Diesel engines, chemical processing equipment, and high-temperature sealing applications |
| EPDM (Ethylene Propylene Diene Monomer) | Excellent resistance to water, steam, ozone, weathering, and aging | Plumbing and sanitary systems, automotive cooling systems, and outdoor sealing applications |
| Silicone Rubber (VMQ) | Wide operating temperature range (-60°C to +250°C, depending on grade); excellent electrical insulation | Household appliances, food-contact equipment, and low-temperature applications |
| Perfluoroelastomer (FFKM / Kalrez™) | Exceptional resistance to a wide range of aggressive chemicals and outstanding high-temperature stability | Semiconductor manufacturing, advanced chemical processing, and other highly demanding sealing applications |
