Global Polyisobutylene (PIB) Medium High MW Fuel, Lubricant Adhesive Market was valued at USD 2.14 billion in 2025 and is projected to reach USD 3.76 billion by 2034, exhibiting a remarkable CAGR of 5.7% during the forecast period. Polyisobutylene (PIB) of medium to high molecular weight is a versatile synthetic polymer widely used as a key functional additive and base component across fuel,...