foamed plastic
Plastic, as polyurethane or polystyrene, made light and cellular by the introduction of pockets or gas or air and used as thermal insulation. Also called expanded plastic, plastic foam. (Ching, 1995)
expanded plastic, plastic foam
Plastic, as polyurethane or polystyrene, made light and cellular by the introduction of pockets or gas or air and used as thermal insulation. Also called expanded plastic, plastic foam. (Ching, 1995)