The 405531-000, also designated as MWTM-35/12-1200-S, is a medium-wall heat-shrinkable tubing designed for insulating, sealing, and protecting low voltage cable accessories. Constructed from UV-stabilized, cross-linked polyolefin, it features a 3:1 shrink ratio and is supplied in 48-inch (1200 mm) cut lengths. This tubing accommodates a cable use range of 0.50 to 1.25 inches (13 to 32 mm), and its inner hot-melt adhesive wall provides a reliable moisture seal. As a halogen-free, non-corrosive, and RoHS compliant product, it is widely used for insulating power cable joints, terminations, and other electrical connections, ensuring long-term reliability in harsh environments.