Why Isn't Cling Wrap as Good as It Used to Be?
Interactive Video
•
Science, Physics, Chemistry
•
11th Grade - University
•
Hard
Wayground Content
FREE Resource
The video discusses the history and changes in cling wrap, focusing on Saran Wrap. Originally made from PVDC, a highly effective polymer, it was changed to polyethylene due to environmental concerns. This change reduced its effectiveness in trapping odors and preserving freshness. Despite the decline in performance, the switch was made to reduce toxic pollutants.
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