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

DuPont Hytrel 4069 TPEE

DuPont Hytrel 4069 is a thermoplastic elastomer (TPEE) offering exceptional toughness, heat resistance up to 150°C, and rapid cycle times. It combines rubber-like elasticity with engineering plastic strength, excels in dynamic fatigue resistance, and processes easily via injection molding or extrusion—ideal for automotive, industrial, and consumer applications demanding durability and precision.
  • dupont hytrel 4069 tpee_d66f85ec
  • dupont hytrel 4069 tpee_d66f85ec

Features Of DuPont Hytrel 4069 TPEE

  1. Excellent balance of flexibility and high-temperature resistance up to 150 °C short-term.

  2. Outstanding dynamic fatigue resistance for repeated bending and flexing cycles.

  3. Good chemical resistance to oils, greases, and many automotive fluids.

  4. High melt flow index enabling efficient processing via injection molding and extrusion.

  5. Retains mechanical properties over a wide service temperature range (–40 °C to 130 °C).

Typical Applications Of DuPont Hytrel 4069 TPEE

  1. Automotive air ducts and HVAC components requiring dimensional stability at elevated temperatures.

  2. Powertrain grommets and vibration-damping bushings exposed to thermal cycling.

  3. Industrial hose covers and reinforced tubing for fluid handling systems.

  4. Consumer appliance parts such as flexible couplings and motor mounts demanding long-term creep resistance.

  5. Medical device tubing connectors where biocompatibility-compliant processing is required (ISO 10993 evaluation support available).

Specifications Of DuPont Hytrel 4069 TPEE

Chemical TypeThermoplastic Polyester Elastomer (TPEE)
Product FormNatural pellets
AppearanceOff-white, semi-crystalline granules
Primary ApplicationsDynamic mechanical components, high-heat flexible parts
Key FeaturesHigh heat resistance, excellent fatigue life, good oil resistance
Processing MethodsInjection molding, extrusion, blow molding
Density (ASTM D792)1.21 g/cm³
Melt Flow Rate (230 °C/2.16 kg, ASTM D1238)25 g/10 min


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