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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;

2024 PACK EXPO Innovations Reports
Exclusive access: Packaging World editor-curated reports revealing PACK EXPO's most groundbreaking technologies across food, healthcare, and machinery sectors. Each report features truly innovative solutions selected from hundreds of exhibitors by our expert team. Transform your operations with just one click.
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2024 PACK EXPO Innovations Reports
Conveying Innovations Report
Editors report on distinguishing characteristics that define each new product and collected video demonstrating the equipment or materials as displayed at the show. This topical report, winnowed from nearly 300 PACK EXPO collective booth visits, represents a categorized, organized account of individual items that were selected based on whether they were deemed to be both new, and truly innovative, based on decades of combined editorial experience in experiencing and evaluating PACK EXPO products.
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Conveying Innovations Report