SORIVO cold shrink terminations and joints are engineered from premium liquid silicone rubber (LSR) to deliver reliable, long-term cable accessory performance in medium voltage power networks up to 35kV. Unlike heat shrink systems that require a propane torch or hot-air gun, cold shrink products arrive pre-expanded on a removable spiral core. Installation is as simple as positioning the tube over the prepared cable end and unwinding the spiral — the silicone rubber contracts evenly around the cable, providing consistent radial pressure and a tight, void-free fit.

This cold shrink technology eliminates the fire risk, skill dependency, and process variability associated with heat shrink installation. Because silicone rubber retains its elasticity across a wide temperature range (–50°C to +130°C), the seals remain effective through thermal cycling and aging. For outdoor applications, the material's inherent hydrophobicity causes water to bead and roll off the surface, suppressing leakage current and reducing the risk of tracking failures — a critical advantage in polluted or coastal environments.

Each termination incorporates an integrated geometric stress cone that is moulded directly into the silicone body. This factory-engineered part controls the electrical stress field at the cable shield cut, eliminating the need for separate stress relief kits and reducing installation steps. The result is a compact, reliable termination that meets IEC 60502, GB/T 12706, and IEEE 48/404 requirements.

SORIVO manufactures these cold shrink kits under strict quality control, with each batch tested for dielectric strength, mechanical performance, and dimensional accuracy before dispatch. For technical support or custom voltage class requirements, contact our engineering team.