7/8 Textured Cold Shrink Cable Power Accessories Silicone Rubber Waterproof Sealing for Cable Joint
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. Standard color: 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 Assurance
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







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 the 7/8 Textured Cold Shrink Cable Power Accessories Silicone Rubber Waterproof Sealing for Cable Joint, a high-performance solution engineered for reliable, long-term protection of cable joints across power, telecom, automotive, and industrial applications. This product is designed to meet the rigorous demands of modern installations where durability, ease of use, and environmental resistance are paramount. By combining advanced silicone elastomer formulations with a textured 7/8 cold shrink design, Volsun delivers cold shrink cable sealing that simplifies field operations while ensuring superior performance.
Product Overview and Key Features
The Volsun textured 7/8 cold shrink product is a pre-expanded silicone rubber sleeve tailored for fast, reliable cable joint protection. The 7/8 cold shrink configuration is optimized for a wide range of cable diameters and junction types. As an integral cable joint accessory, it provides mechanical protection, electrical insulation, and long-term environmental sealing without the need for heating or specialized tools. The textured outer surface improves adhesion with external protective layers and enhances grip during installation, while the silicone rubber core delivers exceptional flexibility and resilience.
- Cold shrink cable sealing: Pre-expanded sleeve that retracts to form a tight, uniform seal around cable joints when the internal core is removed. This cold shrink cable sealing method eliminates the need for hot work, reduces installation time, and lowers the risk of thermal damage to adjacent components.
- Silicone waterproof sealing: Formulated from high-grade silicone rubber, the sleeve provides effective silicone waterproof sealing against moisture ingress, contaminants, and corrosive environments. It maintains sealing integrity across a wide temperature range and resists aging, UV, and ozone exposure.
- Cable joint accessories: Designed as a versatile cable joint accessory, the textured 7/8 cold shrink conforms to irregular shapes and multi-core configurations. It is compatible with joint fillers, tapes, and mechanical connectors commonly used in power distribution and telecom splicing.
- Textured 7/8 cold shrink: The textured surface promotes better compound bonding and improves handling during installation. The 7/8 sizing provides broad compatibility, making this textured 7/8 cold shrink product ideal for varied cable systems.
Applications
Volsun’s textured 7/8 cold shrink silicone waterproof sealing solution finds application across a diverse set of industries and installation environments:
- Power distribution networks: For overhead and underground cable joints, terminations, and repair points where reliable cold shrink cable sealing is essential.
- Telecommunications: Protecting fiber optic and copper splice closures with silicone waterproof sealing to maintain signal integrity in harsh conditions.
- Automotive and electric vehicles: Insulating and sealing cable harness joints and power connections, where durable silicone waterproof sealing helps manage vibration and thermal cycling.
- Industrial installations: Machinery, control panels, and plant cabling requiring robust cable joint accessories that withstand chemicals, oils, and mechanical wear.
- Renewable energy: Wind and solar installations benefit from cold shrink cable sealing that resists moisture and temperature extremes.
Innovation and Material Advantages
Volsun leverages more than a decade of polymer research and development to deliver advanced silicone formulations that underpin this textured 7/8 cold shrink product. The silicone waterproof sealing compound is engineered for high dielectric strength, low compression set, and excellent elastic recovery. This ensures that after mechanical stress or environmental exposure, the cold shrink cable sealing continues to provide a tight, reliable barrier against contaminants
Key material and innovation benefits include:
- High-performance silicone rubber: Enhanced thermal stability and electrical insulation characteristics, contributing to longevity of the cable joint accessories.
- Low-temperature flexibility: Enables cold shrink cable sealing to perform reliably in cold climates without cracking or losing elasticity.
- Ozone and UV resistance: Silicone waterproof sealing maintains properties during prolonged outdoor exposure.
- Textured outer layer: Improves mechanical interlock with over-wraps, tapes, and outer protective layers, aiding installers in achieving consistent results with cable joint accessories.
- Precise pre-expansion control: Volsun’s manufacturing ensures consistent contraction behavior during installation, enabling predictable cold shrink cable sealing performance.
Technical Advantages and Certification
Volsun integrates stringent quality management and certified processes into the production of textured 7/8 cold shrink silicone waterproof sealing products. With IATF 16949 and ISO 9001 certifications and a robust patent portfolio, Volsun’s cold shrink cable sealing products are manufactured under controlled conditions that emphasize repeatability and reliability.
- Consistent sealing force: The silicone formulation and pre-expanded geometry deliver uniform sealing pressure around cable cores, connectors, and irregular surfaces.
- Long service life: Silicone waterproof sealing resists aging mechanisms that can compromise other elastomers, ensuring cable joint accessories remain effective over extended service intervals.
- Ease of installation: Cold shrink cable sealing allows one-person installation in confined spaces, reducing labor time and installation costs while eliminating heat source hazards.
- Wide compatibility: The cable joint accessories accommodate a broad spectrum of cable diameters and insulation types, minimizing the need for multiple SKUs.
Installation and Handling
Installation of Volsun’s textured 7/8 cold shrink cable sealing products follows a straightforward, reproducible process that enhances field efficiency:
1. Prepare the joint area: Clean and condition cable surfaces as required. Ensure mechanical connectors and fillers are installed per system design.
2. Position the textured 7/8 cold shrink sleeve: Slide the pre-expanded silicone sleeve over the cable joint, aligning the textured outer surface as needed to receive subsequent protective layers.
3. Remove the core: Carefully extract the inner removable core to allow the silicone cold shrink cable sealing sleeve to retract and form a tight, conforming seal.
4. Finalize sealing: Apply any recommended over-wraps or protective tapes to secure the textured 7/8 cold shrink and complete silicone waterproof sealing for mechanical and environmental protection.
Quality Assurance and Customization
Volsun’s manufacturing capabilities and R&D strength support OEM/ODM customization of cold shrink cable sealing solutions to meet specific project requirements. From tailored silicone waterproof sealing compounds to bespoke textured 7/8 cold shrink dimensions, Volsun provides scalable production and strict quality assurance measures to satisfy utility, telecom, and industrial customers worldwide.
Why Choose Volsun
Selecting Volsun for textured 7/8 cold shrink cable accessories and silicone waterproof sealing means choosing a partner with proven polymer expertise, global manufacturing reach, and industry-recognized certifications. Volsun’s cold shrink cable sealing products deliver reliable field performance, expedited installation, and durable protection for cable joints across demanding environments. With extensive patent-backed innovations and a customer base spanning 88 countries, Volsun stands as a trusted supplier of cable joint accessories engineered for performance and longevity.
Volsun’s textured 7/8 cold shrink cable sealing and silicone waterproof sealing solutions represent a practical, high-performance choice for engineers and installers seeking dependable cable joint accessories that combine ease of use, superior material properties, and proven environmental resistance. Whether for power, telecom, automotive, or industrial applications, Volsun’s cold shrink cable sealing products offer a resilient, user-friendly solution for maintaining the integrity of cable systems.

