A plastic product may carry a code indicating the resin from which it was made. This is important for recycling.
The code consists of a number within a triangle, with or without an abbreviation below the triangle.
Number
|
Resin
|
Abbreviation
|
1
|
polyethylene terephthalate
|
PET or PETE
|
2
|
high-density polyethylene
|
HDPE or PE-HD
|
3
|
polyvinyl chloride
|
PVC or V
|
4
|
low-density polyethylene
|
LDPE or PE-LD
|
5
|
polypropylene
|
PP
|
6
|
polystyrene
|
PS
|
7
|
other (acrylic, nylon, polycarbonate, polyactic acid
|
O
|