Buna N O Ring Compatibility

O ring compatibility plays a critical role in o ring performance â find the right material for your application and avoid o ring failures.

Buna n o ring compatibility.

The chemical compatibility of rubber is extremely important as the rubber can degrade rapidly if the rubber material is not compatible with the environment or media that it comes into contact with. A common parker nitrile o ring compound is n0674 black. Parker buna o rings are recommended for petroleum based oils and fluids mineral oils ethylene glycol base fluids silicone and diester base lubricants air natural gas and water under 150 f 66 c. Nitrile is unique among synthetic rubbers in that it is generally resistant to chemicals such as oil and fuel among other substances such as mineral and vegetable oils diluted acids.

Buna n also known as nitrile or nbr is a synthetic rubber material. Use this rubber chemical resistance chart to make sure that the elastomer or o ring seal you choose will be compatible with the particular environment. Ammonium picrate 1 3 3 1 2 1. Property nitrile buna n ethylene propylene ep fluoro elastomer viton ptfe tensile strength.

Key to o ring material compatibility ratings 4 good both for static and dynamic seals 3. Basic o ring chemical resistance compatibility information is based on isolated generic o ring material testing in optimal conditions at room temperature and pressure. 3 1 2 chemical compatibility guide for nitrile buna n 3 1 3 chemical compatibility guide for silicone this document contains information proprietary to bal seal engineering and may not be used reproduced or disclosed to anyone else in whole or. Buna n rings with durometer 70 shore a can offer hood physical properties and provide excellent resistance to petroleum products.

O ring chemical compatibility chart learn how different o ring materials and chemicals interact. O ring compatibility chart offers guidance on chemical resistance and swell for viton o rings ffkm o rings silicone o rings teflon o rings and more. It s also less expensive than. It offers such other advantages as good tear resistance and non polar solvent resistance.