PET or PETE (Polyethylene terephthalate): PET is one of the most frequently recycled plastics by consumers. Containers marked with a "1" and "PET" or "PETE" include some soft drink bottles, water bottles, plastic peanut butter jars, plastic wrap, and salad dressing bottles.
HDPE (High-density polyethylene): This type of recyclable plastic, marked with a "2" and "HDPE" is also frequently recycled by consumers. Plastics included in this category include some plastic milk cartons, juice bottles, shampoo bottles, and liquid detergent containers.
PVC (Polyvinyl chloride): Marked by a "3" and "PVC," this type of plastic is less commonly accepted at local recycling centers because it is more difficult to recycle. Common examples include clear food packages, liquid detergent containers, and many construction applications including some traffic cones.
LDPE (Low density polyethylene): Marked with a "4" and "LDPE," this type of recyclable plastic is used in some bread and frozen food bags, trash cans, and garbage can liners.
PP (Polypropylene): One plastic commonly used in the automobile and construction industries, is polypropylene; this plastic is marked with a "5" and "PP." A few examples include some car battery casings, oil funnels, and plastic drinking straws.
PS (Polystyrene): Another type of recyclable plastic that is uncommonly used by consumers is polystyrene. Marked by a "6" and "PS," this plastic is used in some packing foam, plastic cutlery, and protective packaging for electronic goods and toys.