Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

DuPont Hytrel 5556 TPEE

DuPontHytrel5556isahigh-performancethermoplasticelastomer(TPEE)fromtheHytrelseriesofferingexcellentresilience,heatresistance,andchemicaldurability.Idealforautomotiveandindustrialapplicationsrequiringdynamicflexibilityandlong-termmechanicalstabilityunderstressandhightemperatures.
  • dupont hytrel 5556 tpee_21b76261
  • dupont hytrel 5556 tpee_21b76261

Features Of DuPont Hytrel 5556 TPEE

  1. Excellent balance of toughness and flexibility across a wide temperature range (–40 °C to 150 °C short-term)

  2. Outstanding resistance to oils, greases, and many common automotive fluids

  3. High melt strength and excellent processability in injection molding and extrusion

  4. Good UV and weather resistance with inherent hydrolytic stability

  5. Low compression set for reliable dynamic sealing performance

Typical Applications Of DuPont Hytrel 5556 TPEE

  1. Automotive air ducts and charge-air coolers

  2. Fuel system components including quick-connect couplings and fuel lines

  3. Powertrain mounts and vibration-damping bushings

  4. Industrial fluid-handling hoses and connectors

  5. Consumer appliance parts requiring fatigue resistance and thermal resilience

Specifications Of DuPont Hytrel 5556 TPEE

Chemical TypeThermoplastic polyester elastomer (TPEE)
Product FormPellets
AppearanceOff-white to light tan, semi-crystalline granules
Primary ApplicationsDynamic structural components, fluid handling, under-hood automotive parts
Key FeaturesToughness, oil resistance, thermal stability, recyclability
Processing MethodsInjection molding, extrusion, blow molding
Density (ASTM D792)1.18 g/cm³
Melt Flow Rate (230 °C/2.16 kg, ASTM D1238)25 g/10 min


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