He noted that a 4 stands for “LDPE, or low-density polyethylene, found in [items like] squeeze bottles and bread bags, considered safe and reusable.” A 5 is for “PP, or polypropylene ...

Recycled high density polyethylene pellets prices have been on the rise entering in the first quarter of 2025, thanks in part ...

HDPE High density polyethylene Milk bottles ... Not generally collected from households for recycling. However, mixed plastic recycling is expected to be under way within five years. PP Polypropylene ...

North American markets for polyethylene, polypropylene and PET bottle resins came racing out of the gate in January, with all three posting price hikes.

HDPE conduits corrosion resistance and durability, along with the rise in renewable energy projects, boost demand in harsh environments li ...