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Fiber-Reinforced Cooling System Hoses

Cooling system hoses with DuPont™ Vamac® and DuPont™ Kevlar® products help create automobile cooling systems that are exceptionally strong and durable and have longer life

Industry


Products from DuPont work together to help create cooling system hoses with exceptional strength, chemical resistance, and durability in automobiles.

Vamac® ethylene acrylic elastomer and Kevlar® brand aramid fiber help contribute to service life goals in heavy-duty engine cooling system hoses.

Cooling System Hoses

Solution


Compounds of DuPont™ Vamac® ethylene acrylic elastomers are chosen because they:

  • Are rated for service up to 175°C (357°F), and can withstand excursions up to 200°C (392°F)
  • Stay flexible and provide vibration damping at temperatures as low as -40°C (-40°F)
  • Resist chemicals, oil, oxidation, and mechanical abuse

DuPont™ Kevlar® aramid fiber was chosen because it helps reinforce the hose and increases burst strength.

Cooling System Hoses

Performance

Results


Automobile cooling system hoses made from DuPont™ Vamac® and DuPont™ Kevlar® demonstrate:

  • Improved temperature performance and chemical resistance
  • Proven long-term performance
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