Packing Materials


Recycling Mark

Type of Plastic Polymer


Common Packaging Applications

Polyethylene Terephthalate (PET, PETE)

Clarity, strength, toughness, barrier to gas and moisture

Soft drink, water and salad dressing bottles ; peanut butter and jam jars

High-Density Polyethylene (HDPE)

Stiness, strength, toughness, resistance to moisture, permeability to gas

Milk, juice and water bottles ; trash and retail bags

Polyvinyl Chloride (PVC)

Versatility, clarity, ease o blending, strength and toughness

Juice bottles ; cling films ; PVC piping

Low-Density Polyethylene (LDPE)

Ease of processing strength, toughness, flexibility, ease of sealing, barrier to moisture

Frozen food bags ; squeezable bottles, e.g. honey, mustard ; cling films ; flexible container lids.

Polypropylene (PP)

Strength, toughness, resistance to heat, chemical, grease and oil, versatile, barrier to moisture

Reusable microwavable ware ; kitchenware ; yogurt containers ; margarine tubs ; microwavable disposable take-away container ; disposable cups and plates

Polystyrene (PS)

Versatility, clarity, easily formed.

Egg cartons ; packing peanuts ; "Styrofoam" ; disposable cups, plates, trays and cutlery ; disposable take-away container.