Expanded polystyrene[polystyrene?:cnc ps/polystyrene cutting machine] sheets, packing peanuts, foam-in-place and foam-in-bag[bag?:bag paper pattern sample cutting machine], and polyethylene sheets are all types of packing foam.
Both expanded polystyrene and packing peanuts packing foams are made from polystyrene. Foam-in-place and foam-in-bag packing foam are made from polyurethane. Polyethylene packing foam is available in flexible sheets. Each of these packing foams is best suited to protect as specific type of product during shipping.
