Global Polystyrene market was valued at USD 15,000 million in 2025 and is projected to reach USD 22,300 million by 2034, exhibiting a remarkable CAGR of 4.5% during the forecast period.  Polystyrene, a versatile thermoplastic polymer derived from styrene monomer, has transitioned from a laboratory staple to a fundamental material across multiple industries. Its distinctive properties—including excellent clarity, rigidity, and cost‑effectiveness—make it an indispensable choice for rigid...