EPDM /Silicone Rubber Cold Shrink Sleeving for Coaxial Connectors Weatherproofing. UV Resistant Material: Constructed from UV resistant EPDM or Silicone rubber for excellent outdoor sealing. Tool-Free Installation: Installation requires no special tooling and is less dependent on installer skill. Foam Expansion Option: Special foam included to adapt tube to smaller cable diameters for perfect fit. High Elongation: EPDM offers 750% elongation while Silicone offers 641% for flexible sealing. High Dielectric Strength: Provides 19.1KV/mm dielectric strength for reliable electrical insulation. Multiple Connector Types: Compatible with DIN, N, Mini DIN, 4.3-10, and 4.1-9.5 connector types. Fast Lead Time: Peak and off-peak season lead times are both within 15 workdays. Flexible Payment Terms: Accepts LC, T/T, D/P, PayPal, Western Union, and Money Gram.