General properties:

• Clear to opaque
• Glassy surface
• Rigid
• Hard
• Brittle
• High clarity
• Affected by fats and solvents

Common uses:

PS is a versatile plastic that can be rigid or foamed. Common uses of rigid PS include yoghurt containers, fast food trays, disposable cutlery, video cases, vending cups, laboratory ware, seed trays, coat hangers, and low-cost brittle toys.

Expanded polystyrene (EPS)

General properties:
• Foamed
• Lightweight
• Stiff
• Excellent thermal insulation
• Impact absorbing
• Affected by fats and solvents

Common uses:

Common uses of foamed PS (EPS) include egg boxes, food trays, hot drink cups, protective packaging for fragile items, and insulation.