Multi-Function IP68 4G 5g Rubber Shrinkable Sealing and Insulation Tubing for Tools Cables Handle Grip EPDM Cold Shrink Tube. IP68 Waterproof Sealing: Provides a tight, waterproof seal for cables in harsh environments with no clearances. Superior Weather Resistance: Offers excellent resistance to UV aging, abrasion, acid, and alkali compared to silicone tubing. High Dielectric Strength: Features 15kV/mm dielectric strength suitable for cables up to 1000 volts. No Tools Required Installation: Simple and safe installation without torches, heat, or special training needed. Custom Size Availability: Tailored solutions available to meet specific project requirements and dimensions. Premium EPDM Material: Made of high-quality EPDM rubber containing no chlorides or sulphurs for durability. Long Service Life: Rated service life reaches 30 to 50 years, significantly longer than industry peers. Free Sample Support: Free samples provided to allow customers to validate quality before bulk purchase.