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 | O-Rings in Viton and NBR Rubber from Polymax | More than 3000 different sizes available in the ever popular Bristish Standard ( AS-568 ) O-rings are available to buy online in NBR, NBR metric range and Viton ®.
For other polymers (EPDM, CR, PTFE) and metric viton sizes, please do not hesitate to contact us |  | | | | | (Click to view range and order) | | | Nitrile (or NBR) O-Rings are most commonly available and are cost effective.
Temperature range -30ºC to +120ºC (avoid prolonged use at higher extremes)
Suitable for:
Many hydrocarbons,
fats, oils gasoline,
petroleum based hydraulic fluid etc
Generally attacked by:
Ozone, esters, retones,
aldehydes, chlorimated,
and nitro hydrocarbons | | Viton® O Rings have a low compression set and have high temperature and chemical resistance.As such they are more expensive than NBR O Rings .
Temperature range -20ºC to +200ºC (avoid prolonged use at higher extremes)
Suitable for:
chlorinated solvents,
synthetic lubricants,
diesel fuel, petroleum oils
and most hydrocarbons
Generally attacked by:
Hydrogen sulphide, furfaral,
formaldehyd methanol
ketone, potassium hydroxide |
| | Still unsure of what material to choose? Try our: Rubber - Chemical compatibility database. |
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*Viton® is a registered trademark of DuPont Dow Elastomers.
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