Polystyrene Recycling100% Recyclable. Made with 95% Air. Recycled Economically.In addition to molded pulp, CKF is a leader in manufacturing polystyrene (PS) foam products. To learn more about PS foam, its economical recycling process and industry benefits, check out the video located on the left created by the Canadian Plastics Industry Association (CPIA) . CKF is a member of CPIA and a proud supporter of their efforts in informing the marketplace about PS foam recycling. more... See more text