You'll know a piece of plastic is made of polypropylene if it has the number 5 inside the recycling triangle symbol. Polypropylene is commonly used in many different applications, including ...

You can usually find the number “2” symbol on the bottom of detergent ... and shipping envelopes. PP (polypropylene) is considered a safe plastic with a high melting point, which, according ...

Plastic symbol #5: PP Polypropylene, or PP, is a highly durable form of plastic. It's tough, has a slippery surface, and is less dense than other common plastics, so it's useful for items that ...

Various forms of plastic are ubiquitous in our modern lives. Unfortunately discarded plastic is also a major environmental problem with non-biodegradable plastics choking waterways, polluting streets ...

Plastics labeled with a number 1 inside the recycling symbol are about 20.9% likely ... Plastics labeled number 5 are polypropylene, or PP, which can be used to make yogurt containers and other ...