Uses
PVC (polyvinyl chloride) Polystyrene
properties water, biologically, chemically resistant good thermal, sound insulator
electrical insulator chemically inert
impervious to oils very lightweight
cheapest, most widely used polymer apart from polyethylene
uses house wiring, appliance leads, extension cords tool handles
sewerage, garden hoses, raincoats foam drinks cups, foam packing, containers
small household items insulation