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

DuPont Elvax 250 Toughener

DuPont Elvax 250 Toughener is a high-melt-index ethylene-vinyl acetate (EVA) copolymer from the Elvax thermoplastic elastomer series. Designed as a toughening agent, it enhances impact resistance and flexibility in PVC, polyolefins, and engineering resins. Its low crystallinity and excellent melt flow ensure easy processing and uniform dispersion in compound formulations.
  • dupont elvax 250 toughener_b8f697ce
  • dupont elvax 250 toughener_b8f697ce

Features Of DuPont Elvax 250 Toughener

  1. Enhanced impact resistance and toughness in rigid thermoplastic matrices, especially polyolefins and engineering resins.

  2. Excellent melt processability via extrusion and injection molding without significant viscosity penalty.

  3. Good compatibility with polypropylene (PP) and polyethylene (PE), enabling homogeneous dispersion and strong interfacial adhesion.

  4. Retains high heat deflection temperature (HDT) in modified blends, supporting structural performance at elevated service temperatures.

  5. Low extractables profile, meeting requirements for applications with regulatory sensitivity (e.g., non-food-contact industrial uses).

Typical Applications Of DuPont Elvax 250 Toughener

  1. Automotive interior and exterior trim components requiring low-temperature impact durability.

  2. Industrial housings and enclosures for power tools, appliances, and outdoor equipment.

  3. Toughened polypropylene (PP) compounds for demanding mechanical parts in material handling systems.

  4. Impact-modified packaging components where dimensional stability and crack resistance are critical.

Specifications Of DuPont Elvax 250 Toughener

Chemical TypeEthylene-vinyl acetate (EVA) copolymer
Product FormPellets
AppearanceOff-white to light tan, free-flowing pellets
Primary ApplicationsImpact modifier for polyolefins and engineering thermoplastics
Key FeaturesToughening agent with balanced flexibility and thermal stability
BenefitsImproved ductility, reduced notch sensitivity, enhanced processing consistency
Processing MethodExtrusion, injection molding, compounding


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