Type #6 plastic, also known as polystyrene or PS, is a thermoplastic polymer that is commonly used for packaging, insulation, and products such as disposable foam plates, trays, and hot beverage cups. It can be rigid or expanded (foam).
Examples of expanded polystyrene aka styrofoam
- Clam shell takeaway food containers
- Styrofoam disposable cups
- Protective packaging for fragile items
- Foam insulation for walls, roofing, and flooring
Examples of rigid polystyrene
- Coat Hangers
- CD and DVD cases
- Light switch plates
- Electronic housings and components
- Some medical equipment and supplies