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High melt flow index for excellent processability in extrusion and injection molding
Outstanding low-temperature flexibility and impact resistance
Excellent compatibility with polypropylene (PP) and polyethylene (PE) for blend modification
Good UV stability and long-term weathering performance
Low density and high elasticity ideal for soft-touch applications
Automotive interior trim components including door panels and instrument bezels
Flexible packaging films requiring toughness and seal integrity
Thermoplastic elastomer (TPE) compounds for consumer goods grips and seals
PP/POE impact-modified systems for structural automotive parts
Weather-resistant roofing membranes and geomembranes
| Chemical Type | Polyolefin Elastomer (POE) |
| Product Form | Pellets |
| Appearance | Off-white, free-flowing pellets |
| Primary Applications | PP/PE impact modification, flexible TPE compounds, soft-touch overmolding |
| Key Features | High melt flow, ethylene-octene copolymer, metallocene-catalyzed |
| Benefits | Improved toughness at low temperatures, enhanced process efficiency, consistent batch-to-batch performance |
| Density (g/cm³) | 0.870–0.875 |
| Melt Flow Rate (g/10 min, 190°C/2.16 kg) | 25–35 |
Q1: What is the primary function of CB1158ACLS/2 POE in polymer formulations?
A: CB1158ACLS/2 POE is a polyolefin elastomer designed to enhance impact resistance, flexibility, and melt processability—particularly in polypropylene-based systems. It functions as a compatibilized impact modifier that improves toughness without significantly compromising stiffness or thermal stability.
Q2: Is CB1158ACLS/2 POE suitable for food-contact applications?
A: CB1158ACLS/2 POE is manufactured to meet general FDA compliance expectations for indirect food contact when used in accordance with applicable regulatory guidelines. End-use suitability requires validation by the formulator based on final article conditions, including temperature, contact time, and substrate composition.
Q3: How does CB1158ACLS/2 POE differ from standard ethylene-propylene copolymers?
A: Unlike conventional EPM or EPDM grades, CB1158ACLS/2 POE features a controlled molecular architecture with balanced crystallinity and elastomeric character, enabling superior dispersion in PP matrices and enhanced interfacial adhesion—resulting in more consistent mechanical performance across processing conditions.
Q4: What processing methods are recommended for CB1158ACLS/2 POE?
A: This grade is optimized for conventional thermoplastic processing techniques including injection molding, extrusion, and blow molding. It exhibits good thermal stability and melt uniformity under typical PP processing temperatures, and generally requires no special drying prior to use.
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