Vulcan

Rubber molding material family

Ethylene propylene diene rubber

Weather, ozone, hot water and coolant resistant compounds for automotive sealing.

8 property checks5 commercial examples13 supplier paths

Property screen

Useful ranges and selection cautions.

These are family level planning ranges. The selected commercial grade and its current data sheet control the design.

Typical density0.86 polymer, about 1.05 to 1.40 compounded
HardnessAbout Shore 30A to 90A
TemperatureCommonly minus 50 to 150 °C by compound
Weather and ozoneExcellent
Water and coolantVery good with correct cure system
Oil and fuelGenerally poor
Compression setCompound and cure dependent
Key cautionPeroxide versus sulfur cure and fluid package

Typical applications

Where this family enters a shortlist.

  • Weather seals
  • Coolant gaskets
  • Grommets and boots
  • Exterior vibration parts

Questions before approval

What can change the decision.

  1. Is hot coolant or steam present?
  2. What compression set limit applies?
  3. Does the part contact oil or fuel?

Existing material names

Commercial families to start the search.

These names are examples within the broader family. They are not presented as equivalent grades or approved substitutions.

ARLANXEO KeltanExxonMobil VistalonVersalis DutralLion Copolymer RoyaleneDow NORDEL

Supplier directory

13 sources with related portfolios.

Open current supplier data and filter for the exact chemistry, reinforcement, hardness, cure, certification and regional supply requirement.

HEXPOL CompoundingCustom natural and synthetic rubber compoundsARLANXEOKeltan EPDM, Therban HNBR and Krynac NBRExxonMobilVistalon EPDMZeonNipol NBR, Zetpol HNBR and HyTemp ACMChemoursViton fluoroelastomersFreudenbergCustom sealing materials and compoundsLion CopolymerRoyalene EPDM and specialty elastomersVersalisDutral EPDM and Europrene elastomersTSRCSBR, BR, NBR and specialty elastomersKratonSBC and performance elastomersDaikinDAI-EL fluoroelastomersAGC ChemicalsAFLAS and Fluon fluoroelastomersSafic AlcanRubber polymers, curatives and additives

Continue the engineering screen.

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