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Polystyrene (PS) is a synthetic aromatic
polymer made from the monomer styrene. It is a versatile plastic known for its
clarity, rigidity, and thermal insulation properties. Polystyrene is widely
used in various applications, including packaging, insulation, disposable
containers, and consumer goods.
Here are some key details about polystyrene along with its CAS number:
- Chemical formula: (C8H8)n- CAS Number: 9003-53-6 (Polystyrene)
Polystyrene can be produced in several forms, including:
1. General Purpose Polystyrene (GPPS): Transparent and rigid, commonly used in packaging materials, disposable cutlery, CD cases, and medical devices.
2. High Impact Polystyrene (HIPS): Toughened with rubber additives, used in applications requiring higher impact resistance, such as electronics packaging, refrigerator liners, and toys.
3. Expandable Polystyrene (EPS): Produced as foam beads or boards, used in insulation, packaging, and lightweight construction materials.
Polystyrene is lightweight, easy to process, and cost-effective, making it a popular choice for various industries. However, concerns have been raised about its environmental impact, particularly its non-biodegradability and potential for littering and marine pollution. Efforts are underway to develop more sustainable alternatives and improve recycling and waste management practices for polystyrene products.
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