IP68 Silicone Rubber Cold Shrink Tube for 4G 5G Base Station Cable Connector Waterproof Sealing Sleeve

About Product

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RUBLS-SILIC Silicone Rubber Cold shrink tube Series Cold Shrink Lug and Connector Insulators is made of special purpose silicone rubber with a high shrink ratio and excellent physical and mechanical properties like slab and prick resistance. It reliably seals electrical connections of electric communications and cable televisions against water and moisture and effectively insulates wire and cable connections or joints and other electrical connections etc
Continuous operating temperature: -60°C-200°C
Shrink Ratio : 4:1 or so. Suits for an extensive range of cable sizes because of the shrinkage
Retains its resiliency and pressure even after prolonged years of ageing and exposure, seals tight against moisture and water
Good weather resistance, ozone ageing, ultraviolet and salt mist corrosion resistance, performs stably under long-period exposure to the sun
Excellent tear resistance
Simple installation, requires no special heating tools, and adhesive to seal the connections
Standard color: black

 

About Us

Volsun, founded in 2006, is a high-tech enterprise specializing in the research, development, production, and sales of polymer materials. With two major production bases in Yangzhou and Suzhou covering over 25,000 square meters, we provide a comprehensive range of safety protection solutions, including insulation, sealing, waterproofing, thermal conductivity and electrical conductivity, widely applied across industries such as electricity, telecommunications, automotive, and electronics etc. Driven by innovation, Volsun has established strong industry-academia-research partnerships with leading Chinese universities and holds 97 technology patents, reinforcing our leadership in polymer materials technology. Our core products include cold shrink/heat shrink tubes, fiberglass sleeves, silicone self-fusing tape, silicone overhead line cover, thermal pads, shaft grounding rings, and various insulation products. Volsun is certified under IATF 16949 and ISO 9001 quality management systems, ensuring the highest product standards. As a technology-driven company, guided by our mission to innovate materials for a safer world, we have provided OEM and ODM services to over 6,000 customers in 88 countries. Committed to continuous innovation, we strive to deliver superior protection solutions that enhance the safety and performance of your projects

                   

FAQs

How long is the payment term

We accept T/T 50% deposit and 50% balance against B/L or L/C copy at sight, also accept Western Union, VISA and Paypal

What is the normal lead time for product orders

The average lead time for prototype/first piece is 7~10 days, if tooling is involved, the lead time for production tooling is 10 days, and the average production time after sample approval is 2-3 weeks

What is your standard packaging

All goods will be packed in cartons and loaded on pallets. Special packing methods are acceptable when needed

What kind of certificates do you have

We have ISO9001:2015 IATF16949:2016, ISO14001:2015, ISO45001:2018 certified We have various rubber compounds approved by UL, ROHS and REACH

How to check the quality of bulk order

We provide pre-production samples to all customers before mass production if needed. We accept third-party inspection, such as SGS, TUV, INTERTEK, BV, etc

Can you provide customized service

Yes, we accept customization and can produce products in different sizes, packaging, colors according to requirements

Volsun presents the IP68 Silicone Rubber Cold Shrink Tube for 4G 5G Base Station Cable Connector Waterproof Sealing Sleeve, a purpose-built solution engineered to deliver superior base station waterproof sealing, cable connector protection, telecom network reliability, and 5G infrastructure sealing. This advanced cold shrink tube integrates proven materials science with practical field-ready design to meet the rigorous demands of modern wireless networks. Volsun’s IP68 Silicone Rubber Cold Shrink Tube is specially formulated to provide reliable base station waterproof sealing while achieving robust cable connector protection for a wide range of telecom deployments. As network operators push toward denser 4G and 5G infrastructure, base station waterproof sealing becomes an essential practice to safeguard sensitive connectors from moisture ingress, salt fog, dust, and other environmental stressors. Volsun’s solution makes base station waterproof sealing straightforward and repeatable, ensuring long-term telecom network reliability and contributing to resilient 5G infrastructure sealing

Engineered Features and Materials

Constructed from high-performance silicone rubber and leveraging Volsun’s polymer materials R&D expertise, the cold shrink sleeve offers exceptional flexibility, long-term elasticity, and strong compression memory to maintain continuous base station waterproof sealing over time. The silicone compound is optimized for UV resistance, thermal stability, and resistance to ozone and aging, ensuring persistent cable connector protection in outdoor environments. As an IP68-rated product, this cold shrink tube ensures complete ingress protection against dust and prolonged immersion in water—critical attributes for base station waterproof sealing and 5G infrastructure sealing where uptime and signal integrity are paramount. The silicone formulation also provides low-temperature flexibility and high-temperature tolerance, enabling consistent telecom network reliability across seasonal extremes and geographic variations

Design and Application Advantages

The cold shrink design eliminates heat sources and reduces installation time relative to traditional heat shrink tubing, which is essential for rapid deployment and maintenance of base station waterproof sealing. Installers can achieve dependable cable connector protection without specialized tools or hot-air equipment, decreasing safety risk and simplifying field operations. Volsun’s cold shrink tube is pre-expanded on a removable core; when deployed, the sleeve contracts uniformly to form a tight, continuous seal around the connector and cable interface. This uniform contraction enhances base station waterproof sealing performance and ensures that cable connector protection is consistent across multiple installations, improving telecom network reliability across sites

Versatility for Telecom Environments

Volsun’s silicone cold shrink tube is suited for a wide range of connector types and cable diameters commonly used in 4G and 5G equipment, enabling flexible application across diverse infrastructure elements such as antennas, RRUs, feeder cables, and outdoor enclosures. By providing consistent base station waterproof sealing and cable connector protection, the product helps operators maintain telecom network reliability, minimize site visits, and reduce the risk of signal degradation or failure due to moisture ingress. The sleeve’s resilience and long service life contribute directly to effective 5G infrastructure sealing, meeting the high availability expectations of modern wireless networks

Innovative Technical Advantages

Volsun’s decade-spanning experience in polymer innovation is reflected in the tube’s advanced silicone matrix and manufacturing precision. The silicone compound balances Shore hardness, elongation, and compression set to ensure a lasting mechanical seal while accommodating thermal expansion and contraction. This balance is vital for sustained base station waterproof sealing and reliable cable connector protection in fluctuating field conditions. The cold shrink tube’s IP68 classification is achieved through tight tolerances, precise molding, and a silicone chemistry that resists fluid migration and environmental degradation—core aspects that underpin strong telecom network reliability and trustworthy 5G infrastructure sealing

Quality, Certification, and Compatibility

Backed by Volsun’s robust quality systems and industry certifications, this cold shrink product is manufactured to meet strict quality controls and performance standards. Volsun’s background as a National High-tech Enterprise with extensive patents and certifications ensures that each sleeve is produced to deliver repeatable base station waterproof sealing and dependable cable connector protection. The product is compatible with standard telecom installation practices and can be integrated into OEM and ODM workflows to support large-scale 4G and 5G deployments. Choosing Volsun’s solution provides operators with a trusted way to achieve telecom network reliability through proven 5G infrastructure sealing techniques

Field Performance and Maintenance Benefits

Routine maintenance and emergency repairs benefit substantially from the cold shrink approach. Technicians can deploy the silicone sleeve quickly to restore and maintain base station waterproof sealing, enabling faster turn-up and repair cycles that directly improve telecom network reliability. The design minimizes potential human error during installation and reduces reliance on thermal tools, which is particularly advantageous in remote or weather-exposed locations. Because the sleeve provides long-term cable connector protection and resists common failure modes like corrosion and water ingress, operators experience fewer repeat maintenance events and improved mean time between failures—an outcome that strengthens 5G infrastructure sealing strategies and lowers total cost of ownership

Environmental and Operational Resilience

Volsun’s cold shrink tube delivers resistance to UV, ozone, salt fog, and wide temperature ranges, ensuring base station waterproof sealing and cable connector protection in coastal, urban, and rural settings alike. The silicone composition resists embrittlement and maintains elasticity, which is crucial for preserving telecom network reliability across years of service. This resilience supports sustainability goals by reducing replacement frequency and minimizing environmental waste associated with recurring hardware failure

Deployment Scenarios and Use Cases

This product is ideal for operators and contractors engaged in base station installation, maintenance, and retrofit projects where robust base station waterproof sealing and cable connector protection are required. Typical use cases include sealing antenna feed lines, RRUs, outdoor cabinets, and junction box interfaces on both 4G and 5G networks. The sleeve is effective in both planned rollout scenarios and emergency repair operations, contributing to telecom network reliability by preventing ingress-related outages and preserving signal integrity. As networks density and the demand for resilient 5G infrastructure sealing increases, Volsun’s cold shrink tube provides a reliable, scalable solution for protecting critical connectors

Volsun’s IP68 Silicone Rubber Cold Shrink Tube for 4G 5G Base Station Cable Connector Waterproof Sealing Sleeve combines advanced silicone chemistry, precise manufacturing, and field-friendly design to deliver best-in-class base station waterproof sealing, consistent cable connector protection, enhanced telecom network reliability, and robust 5G infrastructure sealing. Built on Volsun’s long-standing expertise in polymer materials and quality-driven production, this cold shrink solution offers network operators a dependable method to protect critical connections and maximize uptime across modern wireless deployments