... EPS, XPS), Polyethylene, Cross-Linked Polyethylene, Polypropylenes, and many other plastic materail. Recommended UseExpanded Polystyrene (EPS), Extruded Polystyrene (XPS), Polyethylene, Cross-Linked Polyethylene, Polypropylenes, and ... many other foamed plastics and materials can be easily cut with Hot Knife. Check with the foam ...