semi-processed polymers in the form of pellets, sheets, films, and rods; polymeric material for medical use, namely, medical-grade thermoplastic polyurethane in extruded form for use in manufacturing medical devices; polymeric material for medical use, namely, medical-grade thermoplastic polyurethane in the form of pellets, granules, beads, films, tubes, rods, sheets, and fibers for use in manufacturing medical devices