Manufacturer EPDM Cold Shrink Tube Waterproof Sealing for Coaxial Cable Low Voltage Rubber Material
Description

cable accessories RFS cable cold shrink tube IP68
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. 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
Support customization, ODM & OEM available

2. Waterproof and Sealing Class: IP68
3. Shrink Ratio :5:1
4. Good weather resistance, ozone ageing, ultraviolet and salt mist corrosion resistance
5. Simple installation
6. Standardcolor:Black, white, grey, etc
Properties |
Typical Data |
Test Method |
Shore Hardness |
40±5A |
GB/T 531-2008 |
Tensile Strength |
≥9.0MPa |
GB/T 528-2009 |
100% Stress at Definite Elongation |
≤1.2MPa |
GB/T 528-2009 |
200% Stress at Definite Elongation |
≤2.0MPa |
GB/T 528-2009 |
Elongation at Break |
>800% |
GB/T 528-2009 |
Tear Strength |
≥35kN/m |
GB/T 529-2008 |
Size |
Inner Diameter mm |
Min Cable Outer Diameter mm |
Max Cable Outer Diameter mm |
Full Recovered Length mm |
VS15-2 |
15 |
5 |
13 |
50 |
VS28-6 |
28 |
7.0 |
25.0 |
150 |
VS40-5.5 |
40 |
11.0 |
33.0 |
140 |
VS45-7 |
45 |
13.5 |
39.0 |
178 |
VS60-9 |
60 |
20.5 |
51.0 |
230 |
VS70-8 |
70 |
25.0 |
63.0 |
203 |




Quality is our culture. 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











Quality Assurance
We employ rigorous quality assurance standards to guarantee our customers the highest quality standards
We also have the ability to be your just-in-time supplier. This helps you keep your production lines running and provides better cash flow management by eliminating inventory requirements
Because every manufacturer has different needs and challenges to overcome, we are committed to providing exceptional service to each of our customers. We will work with you to provide the best solution to meet your needs







Trade terms |
FOB, EXW, CIF, DDU, DDP, CFR |
Payment terms |
T/T, L/C, Negotiable |
Supply capability |
1,000,000 pieces per month |
Lead time |
Usually 2-3 working days |
Shipment |
Express, Air, Sea |
Port |
Shanghai, Ningbo, Shenzhen |
Sample availability |
Yes |
Sample time |
Usually 1-2 days |
Packaging |
Normal: Plastic bag & Carton & Pallet Special: Customized packing |
A: 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
Q 2. What is the normal lead time for product orders
A: 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
Q 3. What is your standard packaging
A: All goods will be packed in cartons and loaded on pallets. Special packing methods are acceptable when needed
Q 4. Can you tell us the monthly production capacity of your products
A: It depends on the model, we produce more than 1500 tons of rubber materials per month
Q 5. What kind of certificates do you have
A1: We have ISO9001:2015, IATF16949:2016, ISO14001:2015, ISO45001:2018 certified
A2: We have various rubber compounds approved by UL, ROHS and REACH
Q6: How to check the quality of bulk order
A1: We provide pre-production samples to all customers before mass production if needed
A3: We accept third-party inspection, such as SGS, TUV, INTERTEK, BV, etc
Q 7: Can you provide customized service
A: Yes, we accept customization and can produce products in different sizes, packaging, colors according to requirements
Volsun presents its Manufacturer EPDM cold shrink tube waterproof sealing for coaxial cable low voltage rubber material, a purpose-built solution engineered to deliver reliable coaxial cable sealing and waterproof cable protection in demanding environments. Designed for installers, contractors, telecom operators, and electrical engineers, Volsun’s EPDM cold shrink tube combines proven low voltage rubber material with innovative cold shrink technology to create a versatile component for electrical and communication systems. The EPDM cold shrink tube integrates material performance, installation ease, and long-term durability to meet rigorous industry needs for coaxial cable sealing and waterproof cable protection
Product overview
Volsun’s EPDM cold shrink tube is made from premium EPDM elastomer formulated as a low voltage rubber material that resists weathering, ozone, UV, and a wide temperature range while maintaining elasticity. The product is manufactured as a pre-expanded tube on a removable core, providing a simple cold shrink installation to form a tight, uniform seal around coaxial cable connections, splices, terminations, and joints. The EPDM cold shrink tube’s properties make it ideal for coaxial cable sealing where long-term waterproof cable protection and electrical insulation are essential
Core features and technical advantages
- EPDM compound optimized for low voltage rubber material applications. Volsun’s EPDM compound provides excellent dielectric performance and stable mechanical properties. The low voltage rubber material formulation minimizes tracking and surface discharge risks while offering consistent insulation for coaxial systems
- Cold shrink design for rapid deployment and reliable sealing. The cold shrink tube is pre-expanded and held on a removable core, enabling installers to slide the tube over components and remove the core so the tube shrinks tightly around the coaxial cable. This cold shrink method eliminates the need for heat tools, torches, or hot air, streamlining field installation and reducing safety hazards
- Waterproof cable protection with proven environmental resistance. The EPDM cold shrink tube provides an effective moisture barrier for coaxial cable sealing, protecting against rain, humidity, condensation, and immersion. The EPDM elastomer retains flexibility and sealing integrity across a broad temperature range, ensuring waterproof cable protection in both indoor and outdoor applications
- Mechanical resilience and long-term performance. EPDM exhibits strong tensile strength, elongation, and resistance to compression set, maintaining a reliable seal over years of service. The low voltage rubber material formulation resists aging from sunlight and ozone exposure, preserving the coaxial cable sealing performance in harsh climates
- Compatibility with multiple coaxial cable types and connectors. Volsun’s EPDM cold shrink tube is engineered to conform to different coaxial cable diameters, connector profiles, and splice configurations. The flexible low voltage rubber material accommodates dimensional variation to ensure full circumferential contact and an effective waterproof cable protection seal
- Safety and code compliance. The EPDM cold shrink tube meets industry expectations for low voltage systems, offering flame-retardant options and low smoke characteristics when required. As a low voltage rubber material, it supports safe, compliant installations for communication and signal cables where electrical safety and reduced fire hazard are critical
Applications and use cases
Volsun’s EPDM cold shrink tube has broad applicability for coaxial cable sealing and waterproof cable protection across diverse sectors:
- Telecommunications and cable TV: Protecting outdoor and rooftop coaxial cable terminations, amplifier connections, drop cable interfaces, and tap connectors against moisture ingress and signal degradation
- Broadcast and satellite installations: Sealing dish feed lines, downloads, and connector transitions where waterproof cable protection preserves signal integrity and reduces maintenance
- Residential and commercial low-voltage cabling: Ensuring durable coaxial cable sealing for security systems, CCTV, cable modems, and other low-voltage consumer and commercial installations
- Industrial and utility environments: Providing rugged waterproof cable protection for low voltage communication links in manufacturing, mining, and public infrastructure
- Temporary and emergency deployments: Rapid cold shrink installation enables fast sealing for coaxial cable splices in temporary networks, field repairs, and emergency response setups
Installation benefits and best practices
The cold shrink design of Volsun’s EPDM cold shrink tube reduces installation time while improving consistency of coaxial cable sealing. Typical installation steps include sliding the pre-expanded tube over the connection, removing the core from one end, and allowing the EPDM to contract uniformly to complete the waterproof cable protection. The absence of heat or adhesives minimizes surface preparation and reduces labor complexity. For optimal performance, installers should verify proper tube selection for cable diameter, ensure connector surfaces are clean, and maintain recommended shrink lengths to fully encapsulate the joint or splice
Performance in harsh environments
Volsun’s EPDM cold shrink tube is tailored for challenging environments where resilient coaxial cable sealing is required. The low voltage rubber material sustains elasticity in subfreezing temperatures and retains flexibility at elevated temperatures, preventing cracking or hardening that could compromise waterproof cable protection. EPDM’s inherent resistance to ozone and UV exposure preserves the external surface against degradation, while its hydrophobic nature limits water absorption and swelling. These characteristics translate to reduced maintenance cycles and prolonged service life for sealed coaxial cable installations
Design flexibility and customization
Volsun offers multiple sizes, shrink ratios, and end-fit geometries for the EPDM cold shrink tube to match a wide spectrum of coaxial cable sealing requirements. Custom formulations of low voltage rubber material are available to meet specific electrical, mechanical, or environmental criteria, including enhanced flame retardant or increased compression recovery. Volsun’s manufacturing capabilities support small-batch prototypes to large-scale production, enabling OEMs and contractors to integrate EPDM cold shrink tube solutions tailored to their projects
Quality assurance and testing
Volsun’s EPDM cold shrink tube undergoes rigorous quality control and testing to verify performance standards for coaxial cable sealing. Test regimes include dielectric strength measurements, water ingress and immersion testing, thermal cycling, UV and ozone exposure, and mechanical aging to confirm that waterproof cable protection remains intact over time. Each production batch is inspected to ensure dimensional accuracy and material consistency, supporting predictable field performance
Why choose Volsun EPDM cold shrink tube
- Proven material science: EPDM low voltage rubber material optimized for electrical and environmental performance
- Ease of use: Cold shrink installation requires no heat tools and reduces labor time and risk
- Durable waterproofing: Long-lasting coaxial cable sealing that withstands weathering, temperature extremes, and mechanical stress
- Versatile compatibility: Designed to fit diverse coaxial cable types, connectors, and installation scenarios
- Customization and support: Options for tailored formulations and sizes with Volsun’s technical support for specification and integration
Volsun’s Manufacturer EPDM cold shrink tube waterproof sealing for coaxial cable low voltage rubber material delivers a robust, efficient, and durable means of coaxial cable sealing and waterproof cable protection. Its EPDM low voltage rubber material, cold shrink design, and tested environmental resilience make it a dependable choice for telecom, broadcast, residential, and industrial applications. For projects that demand reliable waterproofing, simplified installation, and long-term performance, Volsun’s EPDM cold shrink tube offers a trusted solution engineered to protect coaxial cable systems and maintain signal integrity across diverse operating conditions

