THE MANUFACTURE OF POLYETHYLENE
Three classes of polyethylene are imported into New Zealand for extruding into a wide
variety of products. These are low density polyethylene (LDPE), high density
polyethylene (HDPE) and linear low density polyethylene (LLDPE). Pellets of these
plastics are either imported or bought from local recycling companies, and are then
extruded and blown to produce film. This film is used for packaging and making plastic
bags.