Packaging & Materials Is PET or PP cheaper? March 6, 2026 by pups | Leave a Comment When considering the cost of plastic packaging, PET (polyethylene terephthalate) is generally more expensive than PP (polypropylene). This price difference is due to varying production costs, material properties, and market demand for each type of plastic. Understanding PET vs. PP: A Cost Comparison Choosing the right plastic for your packaging needs often comes down to […] Read more »