Set against the backdrop of the illustrious city of Kolkata, Kolkata Chemical emerges as a leading figure in the domain of Polyetherimide (PEI) production, marking a significant footprint in the arena of advanced polymers and high-end plastics. CAS No.: 61128-46-9 Product Description Polyetherimide, better understood as PEI, is renowned for its remarkable heat endurance, dimensional […]