Epr O Ring Specifications

Buna n and viton o rings can be used for sealing valves faucets flanges engines and more. Epdm o rings feature lower cost steam and chemical resistance for numerous applications. Epr has a temperature range of 50 f to 160 f good tear resistance excellent abrasion resistance and fair to good resilience.

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Epr aka epm ep copolymer contains only ethylene and propylene monomers.

Epr o ring specifications. Parker s 70 durometer black epdm e0803 70 is a terpolymer of ethylene and propylene with a diene third monomer used for cross linking. Ep copolymers must be peroxide cured while epdm polymers can be cured via sulfur or peroxide. Explore the world s largest inventory of epdm o rings at marco rubber. This is particularly useful when sealing phosphate ester hydraulic fluids and in brake systems that use fluids having a glycol base.

Monomers while a terpolymer greek three units is composed of three monomers. 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. 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. Speak with a product expert.

They offer low temperature flexibility with low gas permeability. Ctg s experienced engineers will custom tailor a seal to fit your exact requirements and manufacture 1 or 1 000 seals to your specifications that same day. What is viton a. Each features a round cross section.

O rings from ct gasket polymer co inc. Family of rubber materials. Fda and nsf61 compliant o rings feature a round cross section and medium hardness. Epdm aka ept ep terpolymer is composed of ethylene propylene and a third monomer called a diene three different dienes are in.

Parker s 90 durometer black epdm e0652 90 is a terpolymer of ethylene and propylene with a diene third monomer used for cross linking. This is particularly useful when sealing phosphate ester hydraulic fluids and in brake systems that use fluids having a glycol base. Epr specifically refers to ep copolymer while epdm refers to ep terpolymer. While this is important information in terms of o ring manufacturing this difference is transparent to the end user.

Epr ethylene propylene is especially good for steam among other things. 900 series o rings feature a round cross section. Both o rings and x rings are often referred to by the collective term seals.