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Polymax Ltd,  Building 90, SEME, Budds Lane, Bordon, Hampshire GU35 0JE. 
Tel.: 01420 474123.  Fax: 01420 487816. 
Email: sales@polymax.co.uk
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Call: 01420 474123
Fax: 01420 487816
Email: sales@polymax.co.uk
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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
View rubber O-rings, seals, cords and extruded profiles

NBR (N70)  Buy NBR O-rings

Viton® (V75)  Buy Viton®  O-rings

(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.