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

DOW Elvaloy 4170 Toughener

DOW Elvaloy 4170 Toughener is a terpolymer-based impact modifier from Dow’s Elvaloy family, designed to enhance toughness, flexibility, and low-temperature performance in PVC, TPO, and engineering plastics—without compromising clarity or processability. It delivers superior notch sensitivity reduction and weld-line strength in demanding automotive and construction applications.
  • dow elvaloy 4170 toughener_3edbf169
  • dow elvaloy 4170 toughener_3edbf169

Features Of DOW Elvaloy 4170 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 superior compatibility with polyolefins, engineering thermoplastics, and PVC-based compounds.

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

  5. Delivers long-term UV and thermal stability when formulated with appropriate stabilizer packages.

Typical Applications Of DOW Elvaloy 4170 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. Medical device housings where sterilization resistance and mechanical reliability are critical.

  4. Industrial piping systems for cold-water distribution and chemical handling applications.

  5. Electrical enclosures and conduit systems requiring flame-retardant formulations with balanced toughness.

Specifications Of DOW Elvaloy 4170 Toughener

Chemical TypeCopolymer of ethylene and vinyl acetate (EVA) with acrylic acid functionalization
Product FormPellets
AppearanceOff-white to light tan, free-flowing granules
Primary ApplicationsToughening agent for polyolefins, PVC, and engineering thermoplastics
Key FeaturesReactive compatibilization, enhanced interfacial adhesion, low-melt viscosity
BenefitsImproved notched Izod impact strength, reduced brittleness, better stress crack resistance
Processing MethodExtrusion, injection molding, blow molding
Storage ConditionsStore in original sealed packaging at <25 °C and <50% RH; avoid prolonged exposure to moisture


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