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Excellent melt flowability for efficient processing in injection molding and extrusion.
Superior low-temperature flexibility and impact resistance down to –40 °C.
Outstanding compatibility with polypropylene (PP) and polyethylene (PE) for alloy formulations.
Low extractables and excellent color stability—ideal for sensitive applications including medical and food-contact-adjacent uses.
Good UV resistance and long-term weathering performance without added stabilizers.
Automotive interior trim components, including instrument panels and door inserts.
Soft-touch overmolded grips for power tools and consumer electronics.
Flexible packaging seals and closures requiring high elasticity and seal integrity.
TPO-based roofing membranes and geomembranes for construction and civil engineering.
Medical device housings and non-invasive wearable components requiring biocompatibility support.
| Chemical Type | Polyolefin Elastomer (POE), ethylene-octene copolymer |
| Product Form | Pellets |
| Appearance | Off-white to light beige, free-flowing cylindrical pellets |
| Primary Applications | TPO compounding, soft-touch overmolding, flexible packaging, automotive elastomeric parts |
| Key Features | High elasticity, PP/PE compatibility, low compression set, good processability |
| Benefits | Reduced cycle times, improved part aesthetics, enhanced durability in dynamic flex applications |
| Density (g/cm³) | 0.868–0.872 |
| Melt Flow Rate (190 °C/2.16 kg, g/10 min) | 25–35 |
Q1: What is LyondellBasell 756-68 POE primarily used for?
A: LyondellBasell 756-68 POE is a polyolefin elastomer designed mainly as a compatibilizer and impact modifier in polypropylene-based compounds, especially in automotive interior parts, flexible packaging layers, and toughened thermoplastic systems where enhanced melt elasticity and low-temperature toughness are required.
Q2: How does 756-68 POE differ from conventional EPDM or EPR impact modifiers?
A: Unlike traditional diene-based elastomers, 756-68 POE offers superior thermal stability, narrower molecular weight distribution, and excellent compatibility with polyolefin matrices—resulting in more consistent dispersion, improved surface aesthetics, and reduced volatility during high-temperature processing.
Q3: Is 756-68 POE suitable for food-contact applications?
A: While 756-68 POE is manufactured under stringent quality controls and is commonly selected for food-contact-acceptable formulations, final regulatory compliance depends on the complete formulation, processing conditions, and applicable regional requirements—users must conduct full regulatory validation for their specific application.
Q4: What processing methods are recommended for 756-68 POE?
A: This grade is optimized for standard polyolefin processing techniques including twin-screw compounding, injection molding, and extrusion. It exhibits good melt flow and thermal stability, enabling efficient dispersion without excessive shear degradation or gel formation under typical operating conditions.
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