Dow ENGAGE™ 8842 is an ultra-low density ethylene-octene copolymer that combines the exceptional properties of an ultra-low density elastomer with the processability of pellet form. It offers excellent flow characteristics and provides superb impact properties when blended with PP and PE, making it ideal for TPO applications requiring superior low-temperature impact performance.
Ultra-low density for weight reduction: Density of only 0.857g/cm³ effectively reduces product weight and improves volume cost performance.
High flow & processability: Moderate melt index enables high-speed injection molding; talc-dusted surface reduces pellet blocking for higher production efficiency.
Excellent low-temperature impact resistance: Glass transition temperature as low as -58.0℃, maintaining outstanding elasticity and impact resistance in extreme cold.
Significant toughening effect: Blending with PP/PE greatly enhances the impact resistance of composites, reducing the risk of embrittlement.
Pellet form for easy blending: Good compatibility with other polymers, allowing flexible formulation adjustments.
TPO impact modification: Automotive bumpers and exterior panels, improving low-temperature crash resistance and durability.
Injection molded durable goods: Industrial components and consumer durables such as tool handles and appliance elastic parts, balancing flexibility and strength.
Lightweight structural parts: Automotive interior components and electronic device housings, maintaining performance while reducing weight.
Soft elastic components: Seals and cushions for applications requiring excellent low-temperature performance.
| Property | Nominal Value (SI / English) |
|---|---|
| Physical | |
| Density | 0.857 g/cm³ |
| Melt Index (190°C/2.16 kg) | 1.0 g/10 min |
| Mooney Viscosity (ML 1+4, 121°C) | 25 MU |
| Mechanical (Compression Molded) | |
| Tensile Modulus - 100% Secant | 1.40 MPa / 203 psi |
| Tensile Strength (Break) | 3.00 MPa / 435 psi |
| Tensile Elongation (Break) | 1200 % |
| Flexural Modulus - 1% Secant | 4.50 MPa / 653 psi |
| Flexural Modulus - 2% Secant | 4.00 MPa / 580 psi |
| Elastomer Properties | |
| Tear Strength | 25.4 kN/m / 145 lbf/in |
| Durometer Hardness, Shore A | 54 |
| Durometer Hardness, Shore D | 11 |
| Thermal | |
| Glass Transition Temperature | -58.0 °C / -72.4 °F |
| Melting Temperature (DSC) | 38.0 °C / 100 °F |
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