Introduction      

Colnex-SR cold shrink tube is made from highly weather-resistant silicone rubber, pre-expanded on aremovable supporting core. During installation, simply remove the core and the tube instantly contracts totightly seal cable joints, providing efficient insulation and protection. No heating or special tools are required,making the installation process fast and safe—even in confined spaces or fire-restricted environments.Colnex-SR is widely used for sealing and protecting communication base station cable connectors, making itthe preferred choice for rapid and reliable sealing in modern communication projects.

Features and benefits

Made of highly weather-resistant silicone rubber, UV andacid/alkali resistant 

Pre-expanded design, no heating or tools required, fast andsafe installation 

Excellent mechanical and electrical properties 

Ideal for confined or fire-restricted environments 

Widely used for fast protection of communication base stationcable joints, RoHS compliant

Product Specifications

Custom sizes and colors are available upon request. Technical specifications are subject to change without prior notice. Minimum order quantities (MOQ) may differ from standard packaging quantities.