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

DOW Elvaloy AC3427 Toughener

DOW Elvaloy AC3427 Toughener is a terpolymer-based impact modifier from Dow’s Elvaloy AC series, designed to enhance toughness, flexibility, and low-temperature performance in PVC, TPO, and engineering plastics without compromising clarity or processability. It delivers superior adhesion, weather resistance, and melt stability for demanding extrusion and injection molding applications.
  • dow elvaloy ac3427 toughener_36061e08
  • dow elvaloy ac3427 toughener_36061e08

Features Of DOW Elvaloy AC3427 Toughener

  1. Enhances impact resistance and ductility in rigid thermoplastic matrices without compromising stiffness.

  2. Provides excellent low-temperature toughness retention down to –40 °C.

  3. Offers good compatibility with polyolefins, PVC, and engineering thermoplastics.

  4. Enables improved melt processability and reduced extrusion torque during compounding.

  5. Delivers consistent dispersion and long-term thermal stability in high-shear processing.

Typical Applications Of DOW Elvaloy AC3427 Toughener

  1. Automotive interior and exterior trim components requiring dimensional stability and crash performance.

  2. Rigid packaging films and containers demanding puncture resistance and drop-impact durability.

  3. Construction-grade profiles and pipes where notch sensitivity must be minimized.

  4. Electrical enclosures and housings requiring UL 94 HB or V-2 flame-retardant formulations.

Specifications Of DOW Elvaloy AC3427 Toughener

Chemical TypeTerpolymer of ethylene, methyl acrylate, and glycidyl methacrylate (E-M-GMA)
Product FormPellets
AppearanceOff-white to light tan free-flowing pellets
Primary ApplicationsToughening agent for thermoplastics, especially polyolefins and PVC
Key FeaturesReactive functionality (epoxy groups), enhanced interfacial adhesion
BenefitsImproved impact strength, reduced brittleness, better stress crack resistance
Processing MethodCompounding via twin-screw extrusion or high-intensity mixing


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