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Excellent melt processability for high-speed extrusion and injection molding
Outstanding low-temperature flexibility and impact resistance down to –50 °C
Superior compatibility with polypropylene (PP) and polyethylene (PE) for blend modification
Good UV and thermal oxidative stability without additional stabilizer packages
Low compression set for durable sealing and gasketing performance
Automotive interior trim and soft-touch overmolding
Flexible packaging films requiring toughness and seal integrity
Weather-resistant roofing membranes and geomembranes
TPE-based consumer product grips and ergonomic components
Impact-modified PP compounds for under-hood and exterior automotive parts
| Chemical Type | Polyolefin Elastomer (POE), ethylene-octene copolymer |
| Product Form | Pellets |
| Appearance | Off-white, free-flowing pellets |
| Primary Applications | Thermoplastic elastomer blends, PP/PE impact modification, flexible extrusions |
| Key Features | High elasticity, excellent processability, low density |
| Benefits | Reduced energy consumption during processing, improved part aesthetics and durability |
| Processing Method | Injection molding, extrusion, blow molding |
| Density (ASTM D792) | 0.870–0.875 g/cm³ |
Q1: What is the primary function of Dow 7467 POE Elastomer in polymer blends?
A: Dow 7467 is a polyolefin elastomer designed to enhance impact resistance, flexibility, and low-temperature toughness—particularly when blended with rigid polyolefins such as PP or HDPE. It acts as a reactive or non-reactive compatibilizer and toughening agent, improving phase adhesion without significantly compromising stiffness or processability.
Q2: Is Dow 7467 suitable for food-contact applications?
A: Dow 7467 is manufactured from FDA-compliant raw materials and is commonly used in food-contact packaging films and containers where regulatory compliance is required. Final regulatory approval depends on the full formulation, processing conditions, and end-use application—and must be verified by the compounder or converter per applicable regional regulations.
Q3: How does Dow 7467 compare to EPDM or EPR in thermoplastic elastomer formulations?
A: Unlike traditional diene-based elastomers, Dow 7467 offers superior melt processability, narrower molecular weight distribution, and better dispersion in polyolefin matrices. It provides comparable or improved elasticity and compression set performance at lower loading levels, with enhanced compatibility and reduced risk of scorch during high-shear compounding.
Q4: What processing methods are recommended for Dow 7467 POE Elastomer?
A: Dow 7467 is optimized for conventional thermoplastic processing techniques including extrusion (blown and cast film), injection molding, and blow molding. It exhibits excellent melt strength and thermal stability, enabling efficient high-output operations. Pre-drying is generally not required, though storage under dry conditions is recommended to maintain optimal handling characteristics.
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