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Preferred Compounding

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Contact Joe Hudson
or 330.798.4960

EPDM and EPR custom rubber compounding

With Preferred, you can get EPDM rubber compounded exactly to your specifications, including black, colors, sponge, dense and blended with many other polymers including silicone and SBR.

Preferred performs gear pump straining for EPDM and other compounds to remove impurities for Class A surfaces and other applications where visual appeal is important. Straining can also improve electrical performance and physical characteristics for applications such as rollers.

Preferred can produce EPDM and EPR in sponge, sheets, pellets, slab, strip and calendared.

EPDM and EPR properties

Beneficial properties of Ethylene Propylene Diene Monomer (EPDM) and Ethylene Propylene Rubber (EPR) are outstanding resistance to heat, ozone and weather. They show excellent resistance to hot and cold water, glycol, steam and polar chemicals like ketones and excellent electrical insulating properties.

EPDM and EPR show satisfactory compatibility with fireproof hydraulic fluids and alkalis. They have poor resistance to hydrocarbons, including most oils, gasoline, kerosene, aromatic and aliphatic hydrocarbons, halogenated solvents and concentrated acids.

EPDM and EPR rubber applications

EPDM rubber is used in vibration dampening components, seals, glass-run channels, radiators, garden and appliance hoses, tubing, automotive and appliance seals, belts, electrical insulation. It is also used for roofing membranes, geomembranes, rubber mechanical goods and many other applications.

EPDM and EPR trade names

There are a number of EPDM rubber suppliers. Trade names include Royalene™, Trilene™, Royaledge™, Royaltherm™ and Royalflex™ from Lion Copolymer; Nordel™ from The Dow Chemical Com; Buna EP and Keltan from Lanxess; KEP from Kumho Polychem Co. Ltd., EP from JSR Corporation, Vistalon™ from ExxonMobil Chemical; Mitsui EPT from Mitsui Chemicals; Dutral™ TER from Polimera Europa; Suprene™ from SK Energy and ESPLENE™ EPDM from Sumitomo Chemical.

Custom rubber compounding

Preferred Compounding is a full service custom rubber compounder. As a Preferred customer/partner, you gain access to our comprehensive support resources.

Full service and support

Preferred’s technical services staff includes chemists with decades of experience. They formulate and optimize custom elastomeric compounds to achieve the desired field performance, manufacturability and cost for your compounds.

Through the custom compounding recipe, we can engineer the extent and rate of curing, processing characteristics, final properties, performance and cost.

10,000 compounding ingredients

We work with more than 10,000 compounding polymers and other ingredients and more than 100 rubber mixing and processing variables.

We produce compounded elastomers in strips, slabs, pellets and calendered sheet. We also provide filtering by gear-pump straining.

For more information

If you would like assistance determining the right formulation for your rubber application or on improving the performance and cost of your current recipe, contact Joe Hudson by or at 330.798.4960.