High Quality Durable Multicolor IP68 Silicone Rubber High Voltage Cold Shrink Tube Excellent Electrical Insulation ISO9001

Product 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

Features:

1. Operating temperature:-60°C~200°C
2. Waterproof and Sealing Class: IP68
3. Shrink Ratio: 5:1
4. Good weather resistance, ozone aging, ultraviolet and salt mist corrosion resistance
5. Simple installation
6. Standardcolor:Black, white, grey, etc

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VR

Technical Performance

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

Dimensions

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

Size is available to customize

Company Show

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 for over 18 years

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

Certifications

Quality Assurance

Our management and employees are committed to providing the highest quality products and services. This ongoing commitment is recognized through ISO9001, ISO14001, ISO45001, IATF16949, UL, ROHS, and REACH certifications. 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

Abroad Exhibition

Packing & Delivery

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

FAQ

Q 1. How long is the payment term
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 an advanced solution for modern electrical protection: the High Quality Durable Multicolor IP68 Silicone Rubber High Voltage Cold Shrink Tube. Engineered for demanding environments and precision applications, this cold shrink tube embodies the latest in IP68 silicone cold shrink technology and aligns with ISO9001 electrical safety standards. Designed for superior performance, longevity, and versatility, this product addresses contemporary high voltage insulation trends while delivering multicolor cable protection that simplifies identification and installation in complex systems.

Product Features and Materials

Volsun’s IP68 silicone cold shrink tube is manufactured from premium silicone rubber compounds formulated to deliver excellent electrical insulation, weather resistance, and mechanical durability. The silicone formulation ensures long-term stability under thermal cycling and UV exposure, making it ideal for outdoor and indoor installations. The tube is cold shrink—requiring no heat source for installation—providing safer and more efficient deployment. Crucially, this cold shrink product achieves an IP68 silicone cold shrink rating, ensuring dust-tight protection and continuous immersion resistance, a key advantage where environmental ingress could compromise system integrity.

The multicolor cable protection options include a range of vivid, durable hues that maintain color fidelity even after prolonged exposure to harsh conditions. Multicolor cable protection simplifies cable management, fault identification, and phased construction in high-density applications. Volsun’s production follows ISO9001 electrical safety protocols to ensure consistent quality, traceability, and compliance with international manufacturing benchmarks.

Applications and Use Cases

This IP68 silicone cold shrink tube is ideal for a wide spectrum of high voltage insulation trends, including power distribution networks, renewable energy installations such as wind and solar farms, industrial automation, railway electrification, and telecommunications infrastructure. Its high voltage capabilities make it suitable for insulating terminations, splices, joints, and connector protection where reliable dielectric performance is essential.

In field service and maintenance operations, multicolor cable protection reduces human error by enabling technicians to rapidly identify phases, ground, and communication pairs. The cold shrink design accelerates repair and installation workflows by eliminating the need for torches or heat guns, enhancing safety in confined spaces or explosive atmospheres. The combination of IP68 silicone cold shrink performance and robust silicone material chemistry supports use in marine, underground, and outdoor conduit systems that reflect high voltage insulation trends toward more resilient and durable field assets.

Innovation and Technical Advantages

Volsun integrates several innovation points into the IP68 silicone cold shrink tube. First, the advanced silicone rubber compound is formulated to maintain stable dielectric properties across a broad temperature range, addressing high voltage insulation trends that demand reliability under extreme environmental conditions. Second, the tube’s cold shrink mechanism uses a controlled expansion index to provide a consistent compression seal over cables and terminations, ensuring a reliable barrier against moisture and contaminants. The IP68 silicone cold shrink certification is achieved through rigorous sealing performance and testing, ensuring long-term ingress protection.

Multicolor cable protection is enhanced through UV-stable pigments and a surface treatment that resists abrasion and chemical exposure. The colored sleeves are engineered to retain flexibility and tensile strength, preserving ease of installation and mechanical protection even after repeated handling. Volsun’s manufacturing adheres to ISO9001 electrical safety processes, providing documented quality control and batch traceability—an essential feature for large-scale deployments and regulatory compliance.

Performance and Testing

Volsun conducts extensive electrical and environmental testing on the IP68 silicone cold shrink tube to validate its alignment with high voltage insulation trends. Tests include dielectric withstand tests, dissipation factor analysis, and long-term thermal aging studies to confirm that the silicone maintains low electrical loss and high breakdown strength. Environmental assessments such as salt spray, UV exposure, and cyclic immersion tests are performed to validate IP68 silicone cold shrink performance under harsh conditions.

Mechanical tests evaluate tear strength, elongation, and compression set to ensure the multicolor cable protection elements retain mechanical integrity throughout service life. The cold shrink installation mechanism is cycle-tested to verify consistent sealing performance after repeated deployment scenarios. All testing and manufacturing controls meet ISO9001 electrical safety criteria, providing customers with confidence in product consistency and documented results.

Installation and Maintenance Benefits

The cold shrink installation method greatly simplifies field procedures. Technicians simply expand the tube over the cable assembly using a removable core and allow the tube to contract into place, forming a tight, uniform seal without thermal tools. This contributes to safer installation environments and compliance with high voltage insulation trends that favor non-thermal, low-risk methods. The IP68 silicone cold shrink design minimizes the number of components required, reducing points of failure and simplifying inventory management.

Multicolor cable protection streamlines maintenance by visually coding circuits and phases, which reduces diagnostic time and limits downtime. Silicone’s inherent resistance to contaminants and environmental degradation reduces maintenance frequency and prolongs service intervals. As part of ISO9001 electrical safety compliant manufacturing, Volsun provides installation guides, test certificates, and batch records to support quality assurance and lifecycle management.

Environmental and Safety Considerations

Volsun is committed to producing products that align with contemporary high voltage insulation trends toward sustainability and safety. The silicone compounds used in the IP68 silicone cold shrink tube are formulated to minimize hazardous additives while preserving performance. Cold shrink installation avoids open flames and hot surfaces, improving worker safety and reducing the potential for accidental damage to surrounding equipment. Multicolor cable protection also contributes to safer work practices by enabling clear visual identification of critical circuits.

The product’s robust sealing performance reduces the need for premature replacements and resource-intensive repairs, supporting a lower environmental footprint over the installation lifecycle. Compliance with ISO9001 electrical safety standards ensures responsible manufacturing practices and continuous improvement in environmental and safety performance.

Customization and Support

Volsun offers customization options for the IP68 silicone cold shrink tube to meet specific project requirements. Available customizations include a variety of diameters and lengths to accommodate different cable sizes, bespoke color coding schemes for specialized multicolor cable protection needs, and tailored silicone compound formulations for extreme temperature ranges or chemical exposures. Technical support is provided to assist in selecting the appropriate solution aligned with high voltage insulation trends and system specifications.

Customers receive detailed technical datasheets, application notes, and installation guidance to ensure optimal performance. Volsun’s global supply chain and quality systems, underpinned by ISO9001 electrical safety certification, facilitate consistent delivery and post-sale support.

Volsun’s High Quality Durable Multicolor IP68 Silicone Rubber High Voltage Cold Shrink Tube combines advanced material science, practical installation advantages, and rigorous quality management to meet modern high voltage insulation trends. As an IP68 silicone cold shrink solution, it delivers dependable environmental protection, excellent electrical insulation, and streamlined field deployment. Multicolor cable protection enhances system organization, safety, and maintenance efficiency, while ISO9001 electrical safety compliance guarantees manufacturing integrity and traceability. For projects demanding durable, high-performance, and easily deployable insulation solutions, Volsun’s product offers a compelling choice that aligns with evolving industry requirements for reliability and safety.