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

DuPont Elvax 420 Toughener

DuPont Elvax 420 Toughener is a copolymer of ethylene and vinyl acetate (EVA) in the Elvax thermoplastic elastomer series. Designed as a high-melt-index impact modifier, it enhances toughness and flexibility in polyolefin blends while improving adhesion and processability—ideal for automotive, packaging, and industrial applications requiring durable, melt-processable performance.
  • dupont elvax 420 toughener_7f16f871
  • dupont elvax 420 toughener_7f16f871

Features Of DuPont Elvax 420 Toughener

  1. Highly effective ethylene-vinyl acetate (EVA) copolymer toughener for thermoplastics and thermosets.

  2. Excellent low-temperature impact resistance enhancement without compromising stiffness or heat deflection temperature.

  3. Good melt processability and compatibility with polyolefins, engineering resins, and epoxy systems.

  4. Enables improved crack propagation resistance and ductility in rigid polymer matrices.

  5. Halogen-free formulation supporting compliance with RoHS and other environmental regulatory frameworks.

Typical Applications Of DuPont Elvax 420 Toughener

  1. Automotive interior and exterior components requiring dimensional stability and impact performance.

  2. Electrical and electronic enclosures where toughness and flame-retardant synergy are critical.

  3. Industrial packaging films and laminates demanding puncture resistance and seal integrity.

  4. Toughened epoxy adhesives and structural composites for transportation and construction sectors.

  5. Medical device housings requiring biocompatibility-supportive processing and mechanical reliability.

Specifications Of DuPont Elvax 420 Toughener

Chemical TypeEthylene-Vinyl Acetate (EVA) Copolymer
Product FormPellets
AppearanceOff-white to light tan granules
Primary ApplicationsToughening agent for thermoplastics, thermosets, and adhesives
Key FeaturesLow-melt viscosity, high VA content (~40 wt%), excellent dispersion
BenefitsEnhanced impact strength, improved stress cracking resistance, broad compatibility
Processing MethodExtrusion, injection molding, compounding, hot-melt blending
Storage ConditionsStore in dry, cool conditions; protect from moisture and direct sunlight


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