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Eastman says that Vitiva PET blocks nearly all UV light up to 370 nm. In-depth studies at Eastman on popular sports beverages and fruit juices show that colorants such as FD&C Red #40 and FD&C Blue #1 begin to degrade after only a few hours in the sun or under a UV lamp. Vitamins C and B6, among others, also show a considerable decrease in their efficacy after short UV exposure. Products with 370 nm of UV protection, however, remained undamaged even after prolonged exposure to direct sunlight.
A drop-in replacement for standard PET, the new material requires no extra capital investment in machinery or tooling, according to Eastman, and produces no plateout on molds or dryers.?MM
Eastman Chemical
(423) 229-2000
www.eastman.com
IMM - June 2006
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