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Color-change lid

DuPont Awards’ 19th editionThe 19th annual DuPont Awards Competition once again shines the spotlight on innovation in packaging. From 135 entries, 26 packs received awards.

Pw 9498 Silver Smart Lid Coffee R

Smart Lid Systems (www.smartlidsystems.com) of Sydney, Australia won a DuPont Silver Award for developing a color-changing disposable coffee cup lid that enhances consumer safety. The lid starts off as a coffee bean brown color, but a thermochromic additive causes it to change to red in its hot state when it comes in contact with steam or hot liquid. Managing director Nick Bayss identifies the lid’s three key features:

1. Visual warning to customers that their drink may be hot;

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