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

DOW Elvaloy PTW Toughener

DOW Elvaloy PTW Toughener is a terpolymer-based impact modifier from Dow’s Elvaloy family, designed to enhance toughness, flexibility, and melt processability in thermoplastic elastomers and rigid plastics like PVC and CPVC—offering superior low-temperature performance, weatherability, and adhesion without compromising clarity or thermal stability.
  • dow elvaloy ptw toughener_7be307e0
  • dow elvaloy ptw toughener_7be307e0

Features Of DOW Elvaloy PTW 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, PVC, and engineering thermoplastics.

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

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

Typical Applications Of DOW Elvaloy PTW Toughener

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

  2. High-performance rigid PVC profiles for window frames and siding.

  3. Toughened polypropylene compounds used in under-hood automotive parts.

  4. Industrial packaging films and heavy-duty containers demanding puncture and tear resistance.

  5. Medical device housings requiring sterilization compatibility and impact resilience.

Specifications Of DOW Elvaloy PTW 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 PVC, PP, PS, and engineering thermoplastics
Key FeaturesReactive toughening via epoxy–carboxyl or epoxy–hydroxyl crosslinking
BenefitsImproved notched Izod impact strength, enhanced adhesion in multi-layer structures
Density (g/cm³)0.98–1.02 (ASTM D792)
Melt Flow Rate (g/10 min, 190 °C/2.16 kg)1.5–3.5 (ASTM D1238)


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