The stress tube is a spare part of the high-voltage heat-shrinkable cable terminal accessories. This product is used in the connection position of the power cable and used with other heat-shrinkable cable parts, mainly for stress dispersion control.

The length of the stress tube before and after shrinkage is also different. Its pore size and wall thickness will change with the shrinkage. The tensile strength>11Mpa, the volume resistivity: 1011Ωcm, the dielectric constant>20, the stress tube will also have a biased wall. However, it is within the normal range, and its partial wall rate is less than 15%.