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

DuPont Hytrel E4774 TPEE

DuPont Hytrel E4774 is a high-performance thermoplastic elastomer (TPEE) offering exceptional toughness, heat resistance up to 150°C, and excellent dynamic fatigue resistance. Ideal for demanding automotive and industrial applications, it combines rubber-like elasticity with thermoplastic processability. This grade features balanced stiffness and elongation, outstanding oil/fuel resistance, and consistent melt flow for reliable injection molding and extrusion.
  • dupont hytrel e4774 tpee_9fa25f72
  • dupont hytrel e4774 tpee_9fa25f72

Features Of DuPont Hytrel E4774 TPEE

  1. Excellent balance of thermoplastic processability and elastomeric performance

  2. High tensile strength and exceptional fatigue resistance

  3. Outstanding resistance to oils, greases, and many common chemicals

  4. Broad service temperature range from –40 °C to +150 °C (short-term)

  5. Good UV and weathering stability with inherent hydrolytic resistance

Typical Applications Of DuPont Hytrel E4774 TPEE

  1. Automotive under-hood components including air ducts and sensor housings

  2. Industrial power transmission belts and timing belt covers

  3. Consumer appliance parts requiring dynamic flexibility and heat resistance

  4. Oil and gas downhole tool components exposed to harsh fluids

  5. Medical device tubing and seals requiring biocompatibility support (ISO 10993 tested)

Specifications Of DuPont Hytrel E4774 TPEE

Chemical TypeThermoplastic polyester elastomer (TPEE)
Product FormPellets
AppearanceOff-white to light tan, free-flowing pellets
Primary ApplicationsDynamic mechanical parts, fluid-handling components, high-cycle flex applications
Key FeaturesHigh modulus, excellent creep resistance, low compression set
BenefitsReduced part count vs. multi-material assemblies; enables overmolding onto PP, PC, and ABS
Processing MethodInjection molding, extrusion, blow molding
Regulatory ComplianceMeets FDA 21 CFR §177.2400 for food-contact applications (when processed per guidelines)


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