CB-DWT(3X) Dual Wall Heat Shrink Tubing with meltable liner is adhesive-lined, flexible, halogen-free and flame-retardant polyolefin heat-shrinkable dual-wall tubing which is RoHS compliant and meets Sony's environment-related substance requirements. This tubing has good mechanical strength and provides protection from fluids, moisture and corrosion. CB-DWT is used in a wide variety of electrical applications, including back end connector sealing, breakouts, and connector-to-cable transitions. High expansion ratio makes it possible to repair most damaged cable jackets without removing connectors. High expansion ratio makes it possible to repair most damaged cable jackets without removing connectors. The product is UL recognized and the. Certificates: UL (File No E180908), CUL, F-mark, Sony Green Partner.