Ethylene Propylene Diene Monomer

Ethylene Propylene Diene Monomer

EPDM rubber or Ethylene propylene diene monomer rubber is one of the most popular types of synthetic rubber. EPDM rubber is an elastomer- a high-density rubber that is very durable and has a wide range of applications..

An Introduction to EPDM Rubber

EPDM rubber or Ethylene propylene diene monomer rubber is used for many purposes. Considered to be the most water resistant rubber among all types of rubber, EPDM rubber is widely used for manufacturing of sheeting used at high temperatures. In fact, EPDM rubber is one of the most commonly used and fastest growing synthetic rubbers having both general-purpose and specialty applications. There has been increased demand for EPDM rubber in automotive, construction, and mechanical goods applications. The rubber consists of ethylene and propylene and diene and hence abbreviated as EPDM. This rubber has some inherent features that make it especially suitable for electrical insulation, gaskets and lamination. Polymerization and catalyst technologies in use today provide the ability to design EPDM rubber to meet specific and demanding application and processing needs.

Properties of EPDM Rubber

There are many properties of ethylene propylene diene monomer rubber or the EPDM rubber which makes it one of the most popular synthetic rubber.

  • EPDM rubber has excellent resistance to atmospheric aging meaning it is heat, ozone and weather resistant
  • It has a good resistance to most water-based chemicals.
  • EPDM rubber also has a great resistance to abrasives and tearing.
  • It has stable, saturated polymer backbone structure.
  • It has good electrical resistivity.
  • EPDM rubber is also resistant to polar solvents like water, acids, alkalies, phosphate esters.
  • It has excellent flexibility at high and low temperatures.
  • EPDM rubber can be finished to an extremely smooth surface
  • It has resistance to solvents and high temperatures too.

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Applications of Ethylene Propylene Diene Monomer (EPDM) rubber

Since EPDM rubber does not crack outdoors, it is widely used for seals in buildings and in the automotive industry. Some other applications are steam hose, high temperature-resistant seals and roll covers. Polymerization and catalyst technologies in use today provide the ability to design EPDM rubber to meet specific and demanding application and processing needs. This has resulted in broad usage of EPDM rubber in following industries:

  • Automotive weather-stripping and seals
  • Glass-run channel
  • Radiator
  • Garden and appliance hose
  • Tubing
  • Belts
  • Electrical insulation
  • Roofing membrane
  • Rubber mechanical goods
  • Plastic impact modification
  • Thermoplastic vulcanizates
  • Motor oil additive applications

Conclusion about EPDM Rubber

Ethylene propylene diene monomer (EPDM) rubbers are one of the most versatile, fastest growing synthetic rubber polymers. Excellent resistance to heat, oxidation, ozone and weather aging have led to increased demand for this rubber in automotive, construction, and mechanical goods applications. Current and emerging advanced polymerization and catalyst technologies have also led to design of polymers to meet application and processing needs that are very important to meeting the ever-increasing demands for product quality, uniformity and performance.