A new high-melt-strength grade of high-heat crystal polystyrene for the extruded foam polystyrene sheet market from Total Petrochemicals & Refining USA, Inc. (Houston) is engineered specifically for manufacturers of foodservice and food packaging products. Designated CX5237, the material’s improved melt strength allows for significant light weighting while maintaining packaging performance. The company reports that weight reductions of more than 10% were achieved in internal testing while maintaining the same stiffness. Those seeking weight savings or improvements in productivity will find CX5237 a drop-in replacement for existing resins, requiring minimal process changes.
"We are very excited about this new product as it is directly in line with our ambition to be the Responsible Energy Major leading the way with new and cost effective polymers," says David Knoeppel, portfolio manager. "CX5237 in addition to our rePS-5 product provides a cost effective and environmentally positive solution for the foam polystyrene packaging market."
With a composition that is greater than 90% air by volume, foam polystyrene foodservice and food packaging are among the lightest packaging products on the market today. Packaging made from foam polystyrene it insulates hot and cold products and cushions the contents while remaining cost effective.
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