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

DuPont Hytrel E4078W TPEE

DuPont Hytrel E4078W is a high-performance thermoplastic elastomer (TPEE) offering exceptional elasticity, heat resistance up to 150°C, and excellent chemical/abrasion resistance. Ideal for demanding automotive, industrial, and consumer applications requiring durability and dynamic fatigue resistance.
  • dupont hytrel e4078w tpee_1759029c
  • dupont hytrel e4078w tpee_1759029c

Features Of DuPont Hytrel E4078W TPEE

  1. Excellent balance of thermoplastic processability and elastomeric performance at elevated temperatures.

  2. High resilience and low permanent set after repeated flexing or compression.

  3. Good resistance to oils, greases, and many common industrial fluids.

  4. Enhanced flow characteristics for improved mold filling in thin-walled and complex geometries.

  5. Consistent melt viscosity and narrow molecular weight distribution for reliable processing repeatability.

Typical Applications Of DuPont Hytrel E4078W TPEE

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

  2. Industrial power transmission belts and timing belt covers requiring fatigue resistance.

  3. Consumer appliance parts such as pump diaphragms, flexible couplings, and sealing boots.

  4. Medical device tubing and connectors where biocompatibility and sterilization resistance are required.

  5. High-performance sporting goods components including ski bindings and bicycle suspension bushings.

Specifications Of DuPont Hytrel E4078W TPEE

Chemical TypeThermoplastic Polyester Elastomer (TPEE)
Product FormPellets
AppearanceOff-white to light tan, free-flowing pellets
Primary ApplicationsDynamic mechanical components requiring high fatigue life and thermal stability
Key FeaturesHigh tensile strength, excellent creep resistance, good low-temperature flexibility
Processing MethodInjection molding, extrusion, blow molding
Regulatory ComplianceMeets FDA 21 CFR §177.1640 for repeated food contact (when specified); RoHS compliant
Storage ConditionsStore in dry, cool conditions (<25°C) with relative humidity <50%; desiccant drying recommended prior to processing


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