Type: Polyethylene Terephthalate (PET, PETE)

Properties: Clarity, strength, toughness, barrier to gas and moisture.

Common Packaging Applications: Soft drink, water and salad dressing bottles; peanut butter and jam jars Type: High Density Polyethylene (HDPE)

Properties: Stiffness, strength, toughness, resistance to moisture, permeability to gas.

Common Packaging Applications: Milk, juice and water bottles; yogurt and margarine tubs; trash and retail bags. Type: Polyvinyl Chloride (V)

Properties: Versatility, clarity, ease of blending, strength, toughness.

Common Packaging Applications: Juice bottles; cling films Type: Low Density Polyethylene (LDPE)

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

Common Packaging Applications: Frozen food bags; squeezable bottles, e.g. honey, mustard; cling films; flexible container lids. Type: Polypropylene (PP)

Properties: Strength, toughness, resistance to heat, chemicals, grease and oil, versatile, barrier to moisture.

Common Packaging Applications: Reusable microwaveable ware; kitchenware; yogurt containers; margarine tubs; microwaveable disposable take-away containers; disposable cups and plates. Type: Polystyrene (PS)

Properties: Versatility, clarity, easily formed

Common Packaging Applications: Egg cartons; disposable cups, plates, trays and cutlery; disposable take-away containers; yogurt and margarine containers Type: Other

Properties: Dependent on polymers or combination or polymers.

Common Packaging Applications: Beverage bottles; baby milk bottles.
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