The 117727 is a B-7642 Heatex 2:1 heat-shrinkable polyolefin sleeve marker used for wire identification and insulation purposes. This material is designed for thermal transfer printing and features a 2:1 shrink ratio, activated by any industrial-grade heat gun. Key physical properties include a typical tensile strength of 14 MPa and a dielectric strength of 37 kV/mm. The sleeves are RoHS compliant and rated for low-temperature flexibility down to -55°C. These markers offer excellent resistance to various industrial fluids and are ideal for creating durable, legible labels in demanding electrical and industrial applications.