The technology's not commercial yet, and it certainly has its skeptics. Test results show that thermal and barrier properties are enhanced significantly by blowing PET into heated molds and cooling with LN2 delivered by a unique new system.
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Part two of our exclusive look at recycled-content plastic packaging reports how some packagers justify using recycled resin, even in down markets. Plus, evidence that the "closing the loop" issue won't go away soon.
"A package that meets the targeted consumer's needs" is how Snapple marketing manager Sylvia Oriatti describes the new Snapple Squeeze line of juice drinks in 20-oz bottles made of polyethylene terephthalate.
In early May, Pepsi-Cola Co., Somers, NY, began testing its Quick Grip PET bottle in four Detroit area supermarkets. "Ease of handling and pouring, that's what's being tested here," says Pepsi spokesperson Larry Jabbonsky.
Recycled-content legislation has receded, environmentalists have been quiet and virgin PET is plentiful and cheap. Packagers are divided on whether to continue their commitments to use post-consumer resin in the U.S. market.
Superior thermal properties, chemical resistance, and high barrier to oxygen transmission have made PEN and other naphthalate-based materials irresistable for a hot-filled isotonic drink and for citrus juices.