What is polypropylene (PP)?

Polypropylene (PP) is known for its high melting point, which makes it ideal for holding hot liquids that cool in the bottles (for example, ketchup and syrup). It can be manufactured to be flexible or rigid. PP is used to make containers for yogurt, margarine, takeout meals, and deli foods. It is also use for medicine bottles, bottle caps, and some household items. It is identified as number 5. What is polystyrene (PS)? Polystyrene (PS) can be rigid or foamed. It is most commonly used for protective packaging (for example, foam packaging for furniture, electronics, and other delicate items), food serving packaging (for example, cups, plates, bowls, cutlery, meat and poultry trays, and rigid food containers), bottles, and food containers. It is identified as number 6. What is bisphenol A? Bisphenol A (BPA) is a widely produced chemical used primarily for the production of polycarbonate plastics and epoxy resins. More than 6 billion pounds of BPA are produced and used each year for ...  more