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High melt flow index for excellent processability in injection molding and extrusion.
Outstanding low-temperature flexibility and impact resistance down to –40 °C.
Superior compatibility with polypropylene (PP) and polyethylene (PE) for effective polymer blending.
Good thermal stability and consistent rheological behavior under standard processing conditions.
Low extractables and excellent color stability, suitable for demanding aesthetic applications.
Automotive interior trim components including door panels and instrument bezels.
Toughened polypropylene (TPP) compounds for structural automotive parts.
Flexible packaging films requiring seal integrity and toughness.
Consumer goods housings requiring impact resistance and surface gloss.
Medical device components where biocompatibility-supporting formulation is required.
| Chemical Type | Polyolefin Elastomer (POE), ethylene-octene copolymer |
| Product Form | Pellets |
| Appearance | Off-white, free-flowing pellets |
| Melt Flow Rate (ASTM D1238, 190 °C/2.16 kg) | 25 g/10 min |
| Density (ASTM D792) | 0.870 g/cm³ |
| Hardness (Shore A, ASTM D2240) | 58 |
| Ultimate Elongation (ASTM D412) | 720 % |
| Key Features | Enhanced PP blend compatibility, low-temperature韧性, high flow |
Q1: What is the primary function of CB1158PC/1 POE in polymer formulations?
A: CB1158PC/1 POE is an ethylene-octene-based polyolefin elastomer designed to enhance impact resistance, flexibility, and melt processability—particularly when blended with rigid polyolefins such as PP or HDPE.
Q2: Is CB1158PC/1 POE suitable for use in food-contact applications?
A: CB1158PC/1 POE is manufactured to meet general FDA requirements for polyolefin-based food-contact polymers; however, final regulatory compliance depends on the complete formulation, processing conditions, and intended end-use—users should conduct full regulatory verification for their specific application.
Q3: How does CB1158PC/1 POE compare to other POEs in terms of melt flow and shear sensitivity?
A: CB1158PC/1 POE exhibits moderate melt flow behavior and relatively low shear sensitivity, supporting stable extrusion and injection molding across a broad range of equipment configurations without excessive viscosity drop at high shear rates.
Q4: Can CB1158PC/1 POE be used as a compatibilizer in polyolefin blends?
A: Yes—its balanced crystallinity and ethylene-octene microstructure enable effective interfacial adhesion in immiscible polyolefin blends, such as PP/PE systems, improving mechanical property retention and phase dispersion.
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