Dow ENGAGE™ 7270 is a general-purpose polyolefin elastomer designed to provide an excellent cost/performance balance in polymer modification applications. Supplied in pellet form, it is compatible with conventional polyolefin processing equipment and efficiently enhances the impact resistance and mechanical properties of base materials.
Excellent cost/performance balance: Achieves a good balance between performance and cost, suitable for general modification scenarios.
Balanced mechanical properties: High tensile strength and elongation at break, combining rigidity and flexibility.
Good processability: Pellet form blends easily with other polymers, compatible with extrusion, injection molding and other processes.
Good low-temperature resistance: Glass transition temperature as low as -44.0℃, maintaining elasticity in low-temperature environments.
Strong compliance: Meets EU and U.S. food contact standards.
Polymer modification: As a toughener for PP/PE, improving the impact resistance of appliance housings and automotive trim.
General elastic components: Seals and cushions, balancing durability and cost advantages.
High-fill composites: As a carrier resin for masterbatch production, optimizing formulation cost and performance.
Daily necessities: Soft components such as toys and tool handles, ensuring safety and durability.
| Property | Nominal Value (SI / English) |
|---|---|
| Physical | |
| Density | 0.880 g/cm³ |
| Melt Index (190°C/2.16 kg) | 0.80 g/10 min |
| Mooney Viscosity (ML 1+4, 121°C) | 24 MU |
| Mechanical (Compression Molded) | |
| Tensile Strength (Break) | 13.9 MPa / 2020 psi |
| Tensile Elongation (Break) | 720 % |
| Flexural Modulus - 1% Secant | 22.5 MPa / 3260 psi |
| Flexural Modulus - 2% Secant | 22.1 MPa / 3210 psi |
| Elastomer Properties | |
| Tear Strength | 52.9 kN/m / 302 lbf/in |
| Durometer Hardness, Shore A | 80 |
| Durometer Hardness, Shore D | 26 |
| Thermal | |
| Glass Transition Temperature | -44.0 °C / -47.2 °F |
| Vicat Softening Temperature | 50.0 °C / 122 °F |
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