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This content was submitted directly to this Web site by the supplier.Article | June 20, 2013
Milliken Chemical: Thermoforming PP
Polychim and Milliken take homopolymer PP performance for packaging applications to a new level.
Polychim’s homopolymer PP grade HA31XTF draws on the unique benefits of Milliken’s nucleating innovation, Hyperform® HPN-600ei, to overcome the performance trade-offs associated with conventional nucleated PP homopolymers in thermoforming applications.
Hyperform HPN-600ei stimulates an improvement in the aesthetics of final parts, achieving superior transparency and reduced yellowing for thermoformed goods compared to traditional nucleated homopolymers. As a result, new grade HA31XTF outperforms Polychim’s previous conventional nucleated homopolymer for thermoforming through better haze and less yellowing.
HA31XTF offers balanced physical properties, including favorable stiffness/impact balance and isotropic shrinkage behavior that avoids warpage. The combination of Polychim’s resin technology with the high crystallization temperature and isotropic shrinkage behavior provided by Milliken’s Hyperform HPN-600ei nucleator also gives the possibility for thermoformers to improve productivity by up to 10% and reduce costs.
For converters, the package of combined benefits means an exciting new opportunity to achieve desired quality benefits plus more cost-efficient production based on faster production cycles. The grade is aimed at clear PP & opaque thermoformed applications such as food packaging
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