OPS = Oriented Polystyrene
OPP = Oriented Polypropylene
CPET = Crystallized Polyethylene Terephthalate (dual ovenable)
PVC = Poly Vinyl Chloride
V = Vinyl (cooking oil bottles, etc.)
PET or PETE = Polyethylene Terephthalate (boil in bag pouches, microwave
trays,etc.)
PS = Polystyrene
PP = Polypropylene (yogurt containers, margarine tubs, straws, etc.)
EPS = Expanded Polystyrene (foam)
SBS = Solid Bleached Sulfate (paperboard)
APET = Amorphous Polyester [...]