This PU Foam Crushing Machine For various high-density sponges, sponge edge leather waste, cloth sponges, chest pads, old fabrics, waste sponges, and other polyurethane elastomers, rubber, all can be crushed to a diameter of 5-50mm, and processed to produce mattress sponges, sofa sponges, filling cotton, shock absorption and noise reduction soundproofing materials, etc
link:https://www.demingmachinery.com/foam-cutting-machine/pu-foam-cutting-machine/pu-foam-crushing-machine.html