The British Plastics Federation says plastic food containers made from polypropylene or polyethylene, or a mix of both, “generally” don’t contain BPA or phthalates. “Part of the problem is ...

Polypropylene is a type of plastic used to make everything from yogurt containers to water bottles. It's easy to recycle and is one of the most popular plastics used today. You'll know a piece of ...

According to a 2023 Environmental Science & Technology study, microplastics are most likely to be released from polypropylene plastic containers when they are heated in the microwave. Hutchings ...

A 5 is for “PP, or polypropylene ... As for how long you can keep a plastic food storage container, Craig said that “there is no strict time frame,” but you should base your evaluations ...