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

Dow ENGAGE 7256 Impact modifier

Dow ENGAGE™ 7256 is an ethylene-butene copolymer designed specifically for extrusion applications, offering excellent processability and mechanical performance. Supplied in pellet form, it is compatible with various extrusion equipment for efficient production of high-performance elastic products.

Features Of Dow ENGAGE 7256 Impact modifier

  1. Excellent processability: Flow properties suitable for various extrusion processes, ensuring high production efficiency and process stability.

  2. Outstanding mechanical properties: High tensile strength and elongation at break, combining rigidity and flexibility.

  3. Balanced temperature resistance: Glass transition temperature as low as -42.0℃ and Vicat softening temperature of 76.0℃, maintaining stable performance in both high and low temperature environments.

  4. Easy-to-handle pellet form: Good blendability with other polymers, allowing flexible formulation adjustments.

Typical Applications Of Dow ENGAGE 7256 Impact modifier

  1. Extruded products: Industrial elastic profiles, seals and pipes, ensuring stable performance in high-temperature environments.

  2. Films and sheets: High-toughness packaging films and industrial protective sheets, improving puncture and tear resistance.

  3. Polymer modification: As a toughener for PP/PE, enhancing impact resistance and low-temperature tolerance of extruded products.

  4. Wire & cable: Cable insulation and jacketing materials, improving flexibility and aging resistance.

Specifications Of Dow ENGAGE 7256 Impact modifier


PropertyNominal Value (SI / English)
Physical
Density0.885 g/cm³
Melt Index (190°C/2.16 kg)2.5 g/10 min
Mooney Viscosity (ML 1+4, 121°C)10 MU
Mechanical (Compression Molded)
Tensile Modulus - 100% Secant3.70 MPa / 537 psi
Tensile Strength (Ultimate)9.30 MPa / 1350 psi
Tensile Elongation (Break)>600 %
Flexural Modulus - 1% Secant33.2 MPa / 4820 psi
Flexural Modulus - 2% Secant33.6 MPa / 4870 psi
Elastomer Properties
Tear Strength53.7 kN/m / 307 lbf/in
Durometer Hardness, Shore A84
Durometer Hardness, Shore D30
Thermal
Glass Transition Temperature-42.0 °C / -43.6 °F
Vicat Softening Temperature76.0 °C / 169 °F
Melting Temperature (DSC)75.0 °C / 167 °F
Peak Crystallization Temperature60 °C / 140 °F


























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