The specific challenge that PP presents for HDPE recycling is that globally, the primary method to separate plastics is by density using a sink-float process—both HDPE and PP float. When PP levels ...

Now we’re really good at it.” Processing postconsumer PP requires several additional stages, Moore says, than processing postindustrial material. St. Joseph Plastics operates plants to clean, grind ...

A new study published in Engineering reports substantial progress in enhancing the toughness of polypropylene (PP), a popular ...

The applications for post-consumer recycled, high-density polyethylene (HDPE) has been increasing steadily. For a high quality product the quantity of PP contained in the recycled resin must be ...

AKRON, OHIO — Supply issues led North American prices for polypropylene and high density polyethylene resin to climb in June. PP prices moved up an average of 3 cents per pound, as three ...

AmeriTex also plans to partner with other HDPE/PP corrugated pipe suppliers to complement its production capacity to support growth in Texas, particularly for sustainable infrastructure.