... tubing.Polycarbonate tubing is extruded from lightweight, flame retardant, durable thermoplastic compounds.We extrude both in-stock and custom polycarbonate tubing and ... )Hytrel, 10)C-Flex,11)Texin,12)Tecoflex,13)Custom Compounds. 2.Yukun Extrusion Specializes In:1)Single-Lumen Tubing 2 ...