Viton O-rings
Fluorocarbon (Viton®) has replaced nitrile in many applications because of its superior resistance to compression set, high temperatures, and a wide range of chemicals.
Parco is a leading manufacturer of fluorocarbon (Viton®) O-rings for high performance applications. Our O-rings are available in both genuine Viton® and general fluorocarbon compounds. The chart below provides an overview of those materials.
| Viton® Type | Description |
|---|---|
| A | General purpose, high temperature resistant |
| B | Better chemical resistance than type A |
| F | Better chemical resistance than type B and A |
| GLT | Good low temperature properties, chemical resistance similar to type A |
| GFLT | Good low temperature properties, chemical resistance similar to type F |
| EPT | Best chemical resistant, poor low temperature performance |
Parco’s fluorocarbon (Viton®) O-rings withstand a very broad spectrum of chemicals over a temperature range second only to that of silicone. Individual fluorocarbon (Viton®) compounds have service temperatures that range from -20 to +400°F.
Parco’s most popular high performance fluorocarbon compounds for O-rings are listed below.
| Elastomer | Compound | Durometer(Shore A) | Color | Key Properties |
|---|---|---|---|---|
| Fluorocarbon | 9005-75 | 75 | Brown | Resistant to aromatic fuels and synthetic di-ester oils |
| Fluorocarbon | 9009-75 | 75 | Black | AMS 7276 and MIL R 83248 compliant; QPL-listed |
| Fluorocarbon | 9266-75 | 75 | Black | AMS 7276 and MIL R 83248 compliant; QPL-listed |
| Fluorocarbon | 9009-90 | 90 | Black | AMS 7259 and MIL R 83248 compliant; QPL-listed |
| Fluorocarbon | 9021-95 | 95 | Black | Extrusion resistant |