polymer examples

PET properties

clear, tough, shatter-resistant, moisture/gas barrier

PET uses

bottles

HDPE properties

range of colours, hard, stiff, chemical resistance

HDPE uses

milk crates, pipes, buckets

PVC properties

stiff, hard, tough, chemical/weather resistant

PVC uses

pipes, guttering, roofing sheets, window frames

PP properties

hard, lightweight, chemical resistance, can be sterilised

PP uses

medical equipment, kitchenware, string

EPS properties

lightweight, absorbs shock, sound/heat insulator

EPS uses

sound and heat insulation, protective packaging

epoxy resin properties

chemical/wear resistance, heat resistance to 250C, electrical insulator

epoxy resin uses

adhesive

polyester resin properties

hard and strong (but brittle without reinforcement)

polyester resin uses

GRP boats, chair shells, car bodies