They're very convenient, but why are plastic containers so hard to clean?

By Ellen Phiddian
Updated January 28 2022 - 8:04am, first published 5:00am
Plastic is hydrophobic, meaning it repels water, which in turn makes it harder to both clean and dry. Picture: Shutterstock.

Why do plastic containers take so long to dry in the dish rack; and why is it so hard to wash them when they are greasy? Asked by Ian.

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