This is particularly useful when sealing phosphate ester hydraulic fluids and in brake systems that use fluids having a glycol base.
Epr o ring specifications.
Monomers while a terpolymer greek three units is composed of three monomers.
Family of rubber materials.
900 series o rings feature a round cross section.
Each features a round cross section.
Epdm aka ept ep terpolymer is composed of ethylene propylene and a third monomer called a diene three different dienes are in.
Epr aka epm ep copolymer contains only ethylene and propylene monomers.
Fda and nsf61 compliant o rings feature a round cross section and medium hardness.
Explore the world s largest inventory of epdm o rings at marco rubber.
What is viton a.
Ep copolymers must be peroxide cured while epdm polymers can be cured via sulfur or peroxide.
Epr has a temperature range of 50 f to 160 f good tear resistance excellent abrasion resistance and fair to good resilience.
O rings from ct gasket polymer co inc.
Ethylene propylene rubber is an elastomer prepared from ethylene and propylene monomers ethylene propylene copolymer and at times with an amount of a third diene monomer ethylene propylene diene terpolymers.
While this is important information in terms of o ring manufacturing this difference is transparent to the end user.
They offer low temperature flexibility with low gas permeability.
Epr specifically refers to ep copolymer while epdm refers to ep terpolymer.
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Its temperature range is 60 degrees f to 260 degrees f and also works well with water hydraulic fluids brake fluids silicone oils and alcohol.
Parker s 70 durometer black epdm e0803 70 is a terpolymer of ethylene and propylene with a diene third monomer used for cross linking.
Buna n and viton o rings can be used for sealing valves faucets flanges engines and more.
This is particularly useful when sealing phosphate ester hydraulic fluids and in brake systems that use fluids having a glycol base.
Epdm o rings feature lower cost steam and chemical resistance for numerous applications.
Parker s 90 durometer black epdm e0652 90 is a terpolymer of ethylene and propylene with a diene third monomer used for cross linking.
