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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
Suzhou Volsun Electronics Technology Co., Ltd. was founded in 2006. We keep focusing on the R&D, production and sales in insulation, sealing & protection solutions.
Volsun has a modern quality management system, which has passed a series of quality system certification such as IATF16949, ISO9001 etc.
Up to now, Volsun cooperated with customers from 88 countries, we offer suitable sealing, waterproof solutions for some well-know enterprises in communication, Automobile, Power industry etc
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
Can you tell us the monthly production capacity of your products
It depends on the model, we produce more than 1500 tons of rubber materials per month
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 3M Equivalent Silicone Rubber Cold Shrink Tube Cable Connector Insulation for 4G 5G Cold Shrink Tube — a high-performance, field-ready solution engineered to meet demanding telecom, power, and industrial applications. Designed as a direct replacement for traditional 3M products, this silicone rubber cold shrink provides exceptional longevity, environmental resistance, and installation simplicity. Volsun leverages two decades of polymer materials R&D and manufacturing expertise to deliver a silicone rubber cold shrink that addresses the evolving needs of network Deployers and maintenance teams handling 4G and 5G infrastructure. This product is ideal for cable connector insulation, ensuring reliable protection for joints, terminations, and splices in both outdoor and indoor environments.
Product Overview
The Volsun silicone rubber cold shrink is an engineered cold shrink tube that offers immediate, reusable, and consistent sealing performance for cable connector insulation and 4G 5G cable insulation tasks. As a silicone rubber cold shrink tube, it expands and retracts predictably to form a dense, homogenous seal without heat or specialized tools. This makes it perfectly suited for rapid deployments, emergency repairs, and large-scale rollouts of 4G and 5G networks where speed, reliability, and environmental resilience are critical. The cold shrink tube is manufactured from premium silicone rubber compounds that provide superior elasticity, UV resistance, and dielectric properties compared to conventional materials.
Key Features
- Easy Installation: The silicone rubber cold shrink design enables quick, tool-free installation. Technicians simply remove the inner support core and slide the cold shrink tube into place, achieving a tight seal around cable connectors. This rapid deployment translates into lower labor costs and reduced downtime for 4G 5G cable insulation projects.
- Durable Cable Connector Insulation: Our cold shrink tube provides robust mechanical protection and long-term cable connector insulation. The silicone rubber composition resists cracking, hardening, and environmental degradation, maintaining seal integrity over many years.
- Superior Environmental Resistance: The silicone rubber cold shrink exhibits outstanding resistance to UV, ozone, salt spray, moisture, and temperature extremes. It maintains performance across a broad temperature range, ensuring reliable protection for 4G 5G cable insulation in harsh outdoor conditions.
- Excellent Electrical Insulation: As a cable connector insulation product, the silicone rubber cold shrink offers high dielectric strength and low dielectric loss, reducing risk of electrical failures. This makes it a dependable choice for telecom, power distribution, and industrial control systems requiring secure insulating solutions.
- Compatible with Multiple Cable Types: The cold shrink tube is adaptable to various cable diameters and connector geometries, ensuring a snug fit and effective sealing for common 4G and 5G cable assemblies, fiber optic splices, and coaxial connections.
- Flame Retardant and Safety Certified: Meeting stringent safety standards, the silicone rubber cold shrink is designed to offer flame Retardance and low smoke generation, contributing to safer installations in congested network cabinets and outdoor junctions.
Applications
- 4G 5G Cable Insulation: The primary application of this cold shrink tube is to protect and insulate cable connectors in 4G and 5G deployments. The tube ensures signal integrity and mechanical protection at joints and terminations, serving both macro and small cell installations.
- Cable Connector Insulation for Outdoor Networks: Used extensively in outdoor base stations, street cabinets, and tower-mounted equipment, the silicone rubber cold shrink protects against moisture ingress and environmental contamination that can cause service interruptions.
- Emergency Repairs and Field Maintenance: For rapid repairs and urgent field maintenance, the cold shrink tube allows technicians to restore cable connector insulation quickly without curing time or power tools, minimizing service downtime.
- Telecom, Power and Industrial Use: Beyond wireless networks, this cold shrink solution supports general telecom cabling, power cable joints, and industrial control wiring where dependable cable connector insulation and 4G 5G cable insulation qualities are required.
- OEM and Custom Installations: Volsun offers OEM/ODM options for tailored cold shrink tube specifications to fit unique connector types and deployment scenarios, making this product suitable for large-scale rollouts and specialized projects.
Innovation and Technical Advantages
- Advanced Silicone Formulation: Volsun’s silicone rubber cold shrink uses a proprietary polymer blend developed through decades of R&D. This optimized formulation enhances elasticity, weather resistance, and electrical insulation characteristics, extending service life and reducing maintenance cycles for 4G 5G cable insulation systems.
- Precise Cold Shrink Manufacturing: The cold shrink tube is produced using controlled extrusion and molding processes that guarantee consistent wall thickness, mechanical properties, and dimensional accuracy. This ensures predictable performance during installation and long-term use as a cable connector insulation solution.
- Patented Material and Process Technologies: As a National High-tech Enterprise with numerous patents, Volsun integrates patented technologies into the silicone rubber cold shrink product line. These innovations improve sealing performance, accelerate installation, and reduce potential failures associated with substandard cable connector insulation.
- Quality and Compliance: Manufactured in IATF 16949 and ISO 9001 certified facilities, the cold shrink tube undergoes strict quality control and testing procedures. Electrical, thermal, and environmental tests validate the product’s suitability for demanding 4G and 5G cable insulation applications.
- Scalable Production for Global Supply: With two production bases and a global customer base, Volsun can scale manufacturing to meet large orders while preserving consistent quality of the cold shrink tube for cable connector insulation projects across regions.
Performance Benefits
- Long-term Reliability: The silicone rubber cold shrink maintains elasticity and sealing characteristics for extended service life, reducing the frequency of replacements and associated maintenance costs for 4G 5G cable insulation systems.
- Reduced Installation Time and Cost: Cold shrink technology eliminates the need for heat guns, adhesives, or lengthy cure times, enabling fast and reliable cable connector insulation that lowers labor and logistical overhead.
- Enhanced Network Uptime: By providing robust 4G 5G cable insulation and resistance to environmental stressors, the cold shrink tube helps prevent ingress-related failures and signal degradations, contributing to higher network availability.
- Versatility: Compatible with a wide variety of cable types and connectors, the cold shrink tube supports diverse deployment scenarios, from telecom towers to underground infrastructure.
Why Choose Volsun
Volsun combines extensive polymer expertise, rigorous quality management, and a deep understanding of telecom network requirements to deliver a silicone rubber cold shrink that meets the real-world demands of 4G and 5G deployments. With proven performance in insulation, fire Retardance, and environmental resistance, the Volsun cold shrink tube provides a reliable, cost-effective cable connector insulation solution for network operators, installers, and OEM partners worldwide.
The 3M Equivalent Silicone Rubber Cold Shrink Tube Cable Connector Insulation for 4G 5G Cold Shrink Tube by Volsun is a high-quality, practical choice for protecting cable connectors and ensuring lasting 4G 5G cable insulation. Combining fast, tool-free installation with advanced silicone rubber properties, it delivers dependable protection against moisture, UV, and temperature extremes while maintaining electrical insulation performance. For telecom, power, and industrial applications seeking effective cable connector insulation and proven 4G 5G cable insulation solutions, Volsun’s cold shrink tube offers superior value and performance.
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