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

Dow ENGAGE 8440G Impact Modifier

ENGAGE™ 8440G is an ethylene-octene copolymer polyolefin elastomer from Dow. It excels in diverse thermoplastic elastomer applications and is ideal for blending and compounding, supplied in pellet form for efficient processing.

Features Of Dow ENGAGE 8440G Impact Modifier

  1. Supplied in pellet form, enabling automated feeding and precise dosing to boost production efficiency

  2. Excellent blending compatibility, allowing synergistic modification with various polymers to expand material performance

  3. High tensile and tear strength, providing products with outstanding impact resistance and damage tolerance

  4. Stable thermal performance, maintaining mechanical properties and structural integrity over a wide temperature range

  5. Free of antiblock, slip, and processing aids, offering high formula purity for demanding applications

Typical Applications Of Dow ENGAGE 8440G Impact Modifier

  1. Thermoplastic elastomer (TPE) blending systems for soft grips, seals, and cushioning materials

  2. Polymer compounding to enhance flexibility and impact resistance of PP, PE, and other polymers

  3. Automotive components such as dust covers, shock absorbers, and interior trim, balancing elasticity and durability

  4. Consumer electronics accessories including earphone pads and key mats, delivering comfortable touch and fatigue resistance

  5. Industrial seals and gaskets, ensuring long-term reliability with excellent weather and chemical resistance

Specifications Of Dow ENGAGE 8440G Impact Modifier

PropertyNominal Value (SI / English)
Additive
AntiblockNo
SlipNo
Processing AidNo
Physical
Density0.897 g/cm³
Base Density0.897 g/cm³
Melt Index (190°C/2.16 kg)1.6 g/10 min
Mooney Viscosity (ML 1+4, 121°C)13 MU
Mechanical
Tensile Modulus - 100% Secant6.30 MPa / 914 psi
Tensile Strength (Break)20.4 MPa / 2960 psi
Tensile Elongation (Break)690 %
Flexural Modulus (1% Secant)54.2 MPa / 7860 psi
Flexural Modulus (2% Secant)54.3 MPa / 7880 psi
Tear Strength78.9 kN/m / 451 lbf/in
Hardness
Durometer Hardness (Shore A)86
Durometer Hardness (Shore D)36
Thermal
Glass Transition Temperature-33.0 °C / -27.4 °F
Vicat Softening Temperature75.0 °C / 167 °F
Melting Temperature (DSC)93.0 °C / 199 °F
Peak Crystallization Temperature76.0 °C / 169 °F
Additional
Environmental Stress Crack Resistance (ESCR)>500 hrs (F0)
Heat Deflection Temperature (0.45 MPa)60.0 °C / 140 °F






























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