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

DuPont Hytrel 4056 TPEE

DuPont Hytrel 4056 is a thermoplastic elastomer (TPEE) offering exceptional flexibility, high resilience, and outstanding resistance to heat, oil, and abrasion. Ideal for demanding dynamic applications like automotive air ducts, power tool housings, and sporting goods components where fatigue resistance and dimensional stability are critical.
  • dupont hytrel 4056 tpee_a04024a5
  • dupont hytrel 4056 tpee_a04024a5

Features Of DuPont Hytrel 4056 TPEE

  1. Excellent balance of thermoplastic processability and elastomeric performance.

  2. High resilience and low compression set for dynamic sealing and repeated flexing applications.

  3. Good resistance to oils, greases, and common automotive fluids at elevated temperatures.

  4. Outstanding fatigue resistance over a wide temperature range (–40 °C to 120 °C).

  5. Easy to process via injection molding, extrusion, and blow molding without pre-drying.

Typical Applications Of DuPont Hytrel 4056 TPEE

  1. Automotive air ducts and HVAC components.

  2. Fuel system connectors and vapor recovery lines.

  3. Power tool grips and ergonomic handles requiring vibration damping.

  4. Industrial hose covers and flexible couplings.

  5. Consumer appliance seals and gaskets exposed to thermal cycling.

Specifications Of DuPont Hytrel 4056 TPEE

Chemical TypeThermoplastic Polyester Elastomer (TPEE)
Product FormPellets
AppearanceOff-white to light tan, free-flowing granules
Primary ApplicationsDynamic seals, flexible ducting, fluid handling components
Key FeaturesHigh elasticity, thermal stability, hydrolysis resistance
BenefitsReduced part count vs. multi-material assemblies; recyclable thermoplastic processing
Density (ASTM D792)1.18 g/cm³
Melt Flow Rate (230 °C/2.16 kg, ASTM D1238)20 g/10 min


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