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

DOW Elvaloy HP441 Toughener

DOW Elvaloy HP441 Toughener is a high-performance ethylene-glycidyl methacrylate (EGMA) copolymer from Dow’s Elvaloy HP series, engineered to enhance impact resistance, flexibility, and adhesion in PVC, TPO, and engineering thermoplastics—delivering superior toughness without compromising processability or clarity.
  • dow elvaloy hp441 toughener_542cc013
  • dow elvaloy hp441 toughener_542cc013

Features Of DOW Elvaloy HP441 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 HP441 Toughener

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

  2. Rigid packaging for medical devices and consumer goods demanding puncture resistance and clarity.

  3. Industrial piping systems where notch sensitivity and environmental stress cracking resistance are critical.

  4. Electrical enclosures and housings requiring UL 94 HB flame-retardant base resin enhancement.

  5. 3D printing filaments based on ABS or PC blends seeking improved layer adhesion and fracture toughness.

Specifications Of DOW Elvaloy HP441 Toughener

Chemical TypeEthylene–methyl acrylate–glycidyl methacrylate terpolymer
Product FormPellets
AppearanceOff-white to light tan, free-flowing pellets
Primary ApplicationsToughening modifier for thermoplastics (e.g., PP, PVC, ABS, PC)
Key FeaturesReactive functionality (epoxy groups), low-melt viscosity, high grafting efficiency
BenefitsImproved impact strength, enhanced interfacial adhesion, reduced brittleness in filled systems
Storage ConditionsStore in original unopened packaging at ≤30 °C; protect from moisture and direct sunlight
Processing Temperature Range160–220 °C (recommended for extrusion and injection molding)


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