Polystyrene, a wildly popular type of plastic, can withstand seriously punishing conditions while refusing to break down, and environmentalists have urged lawmakers to ban or dramatically limit ...
Polystyrene is a synthetic aromatic polymer that can be rigid, foamed, or an integral part of a copolymer. Copolymers include systems such as high impact polystyrene (HIPS) and acrylonitrile butadiene ...
visors and baths High impact polystyrene (HIPS) Rigid, cheap, available in a lot of colours Can be cut and vacuum formed easily, food safe but toxic when burned, used for CD cases and yoghurt pots ...