Thermo shrinkable joint is designed to protect the signal cable joints. It protects the signal cable connection point during the construction process from the influence of external environment and construction factors on it. It can be used in places where during the process of assembling the pipeline route, pipes are connected by fusion HS butt welding.

Thermo shrinkable joint with mastic (type MTM) is packaged in white LDPE cover. They must be stored and transported in an upright position to avoid ovalization. The maximum storage and transport temperature must not be exceeded 40 °C.