The series 3MTM MDT-A is a medium thickness polyolefin sheath with inside a heat-resistant adhesive. The shrinkage ratio is up to 4.5:1. The shrinkage temperature is 125°C while the operating temperature is -55/+130°C. The MDT-A sheath is a medium wall tube that offers robust and flexible insulation and is ideal for the protection of cable joints and terminations in external or underground applications. The MDT-A sheath comes with a thermo-fusible adhesive layer applied during the extrusion of the tube, thus obtaining a very smooth and constant adhesive layer that ensures excellent sealing properties with a degree of IP 68 sealing. The MDT-A are black, in 1Mt brushes.