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, found in potato chip bags and ... 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 ...

head of the plastic recycling division of Green Eco Manufacture (GEM), a recycling company based in Shenzhen, China. Those containers are made from polypropylene, favoured because it produces thin ...

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 ...