In theory, every type of plastic can be recycled. In practise in New Zealand only codes 1
(PET) and 2 (HDPE) are recycled. The incoming plastic is manually sorted into these two
codes and 'other', and the three separate streams sent off to be chipped. It is particularly
important that all PVC is removed from the PET stream as the more sophisticated sorting
used later on cannot differentiate between these two types of plastic. Any rocks, nails, metal