AS23053/14, formerly M23053/14, is a semi-rigid ethylene-tetrafluoroethylene fluropolymer insulation sleeving. This heat shrink tubing features a continuous operating temperature of -148 °F TO 302 °F (-100 TO 150 °C) and is supplied in a clear (translucent white to transparent blue) color. AS23053/14 semi-rigid ETFE sleeving is intended for use in component cables and electronic lead strain relief where low expansion ratios are satisfactory.