KW Plastics Recycling is among the world’s largest recyclers of high-density polyethylene (HDPE) and polypropylene (PP), with processing capacity of more than 1 billion pounds (500,000 tons) per year.

For a snowboarder, “shredding” means making wonderful, athletic moves on the way down a ski hill. For a recycler, shredding is a profitable way to process plastic scrap into valuable pellets. However, ...

[Jason Knight], an intern at FabLab RUC, has worked hard for 9 months to make a sheet plastics shredder for HDPE and LDPE from things like plastic bags, bubble wrap and air cushion packaging with the ...