Heat shrink tubing: Polyolephyn, MIL standard M23053. Standard colors are WHITE and YELLOW. Label wrap: Clear plastic sheet with adhesive backing. Heat shrink tubing is a thermoplastic tube that contracts radially when exposed to heat, conforming tightly to the underlying substrate. Manufactured primarily from cross-linked polyolefin, PVC, fluoropolymers, or elastomeric materials, these tubes provide electrical insulation, environmental. This handy tool helps you choose the correct size of heat shrink tubing for wires, cables, busbars, and connectors. Selecting the wrong size can lead to loose fittings, poor insulation, or even damage. With this calculator, you can quickly find the right tubing dimensions by entering a few simple. Heat shrink tubing is a versatile plastic layer which can be applied to cabling and components for several purposes by electricians, engineers and similar professionals, including: They are also known as heat shrink sleeves, in particular when used with cables. The name refers to the fact that the. 3M Heat Shrink is a trusted technology to reliably insulate and protect your important applications. These field-proven products are known for ease of use and. In selecting the right shrink tubing size it is important to consider to "80:20 rule".