Sealing and Insulation Cold Shrink Tubing EPDM Rubber Cold Shrink Sleeve IP68 Cold Shrink Tube

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 ageing, ultraviolet and salt mist corrosion resistance
5. Simple installation
6. Standardcolor: Black, white, grey, etc

Click chat now to contact us for free samples

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 sealing and insulation solution: the Sealing and Insulation Cold Shrink Tubing EPDM Rubber Cold Shrink Sleeve IP68 Cold Shrink Tube. Engineered for demanding environments and designed to deliver reliable performance across electricity, telecom, automotive and electronics applications, this product line exemplifies decades of polymer materials research and manufacturing excellence. The EPDM cold shrink tube and IP68 cold shrink sleeve deliver consistent sealing, superior insulating properties, and durable environmental protection, making them essential components in modern installation and repair workflows.

Product Overview

The EPDM cold shrink tube is a pre-expanded tubing made from high-quality EPDM rubber that contracts elastically when the internal support is removed, creating a tight, conformal seal around cables, connectors and assemblies. The IP68 cold shrink sleeve is engineered to meet rigorous ingress protection standards, ensuring watertight and dustproof protection in submerged or harsh outdoor conditions. As a heat-resistant sealing tubing option, this product maintains mechanical integrity and sealing performance across a broad temperature range, addressing thermal cycling and elevated-temperature scenarios. For customers seeking automotive insulation solutions, the cold shrink tubing family provides reliable electrical isolation, vibration resistance and long-term durability required by modern vehicle systems.

Key Features

- EPDM rubber composition: The EPDM cold shrink tube leverages the inherent resistance of EPDM to ozone, UV exposure, moisture and aging. Its elastomeric properties provide excellent elasticity for recovery and sealing, while maintaining dimensional stability across extended service life.

- IP68-rated protection: The IP68 cold shrink sleeve achieves dust-tight and continuous immersion protection when properly applied. This makes the product ideal for outdoor junctions, underground cable splices and submerged connectors where environmental ingress can compromise performance.

- Heat-resistant sealing tubing: Engineered compounds and formulations enable sustained performance at elevated temperatures. The heat-resistant sealing tubing resists softening, cracking and loss of sealing force during thermal excursions, ensuring consistent insulation and protection.

- Rapid, tool-free installation: Cold shrink installation eliminates hot air, torches or adhesives. Technicians simply slide the EPDM cold shrink tube or IP68 cold shrink sleeve over the target area and remove the core support to achieve immediate shrink-back and seal. This reduces installation time, hazards and variability.

- Conformal sealing and strain relief: Elastic recovery creates a uniform compressive seal over irregular geometries, cable bundles and connector bodies, providing effective strain relief and preventing moisture ingress or mechanical abrasion.

- Wide size range and customization: Available in multiple diameters and length configurations, the cold shrink tubing family supports diverse cable diameters, splice types and component footprints. Volsun offers OEM/ODM customization for unique application requirements.

- Chemical and abrasion resistance: EPDM formulations provide resistance to common chemicals, oils and abrasion encountered in industrial and automotive environments, safeguarding cable insulation and connector integrity.

- Long-term reliability and low maintenance: The combined material properties and design provide years of maintenance-free protection, reducing lifecycle costs for networks, vehicles and installations.

Applications

- Electricity distribution and power utilities: The EPDM cold shrink tube provides reliable insulation for cable joints, terminations and branch connections. IP68 cold shrink sleeve protects against moisture ingress in outdoor distribution boxes, underground splices and pole-mounted equipment.

- Telecom and fiber networks: Indoor and outdoor splice protection, waterproof sealing of fiber-optic closures, and safeguarding of small-form connectors are all well-supported by EPDM cold shrink tube products.

- Automotive insulation solutions: Modern vehicles demand compact, vibration-tolerant, heat-resistant sealing. As automotive insulation solutions, Volsun’s EPDM cold shrink tube and heat-resistant sealing tubing protect wiring harnesses, sensor connections and electronic control modules from moisture, road contaminants and thermal stress.

- Electronics and industrial machinery: The tubing provides insulation for wire assemblies, motor leads and sensor cables in factory environments, preventing short circuits and premature failure due to environmental exposure.

- Marine and outdoor equipment: IP68 cold shrink sleeve is ideal for marine connectors, submerged sensors and outdoor instrumentation that must remain sealed under continuous water exposure.

Technical Advantages and Innovation

Volsun’s cold shrink solutions reflect decades of polymer research and patented innovations. The EPDM cold shrink tube and IP68 cold shrink sleeve incorporate advanced compound formulations that balance elasticity, thermal stability and environmental resistance. Through precise control of crosslink density and additive selection, Volsun achieves rapid recovery while maintaining long-term compression set resistance. This optimization ensures that the EPDM cold shrink tube retains sealing force even after repeated thermal cycles and prolonged outdoor exposure.

The design of the cold shrink sleeve emphasizes a predictable shrink ratio and dimensional tolerance control, facilitating consistent installation outcomes across varied field conditions. In contrast to heat-shrink alternatives, Volsun’s cold shrink approach avoids thermal stress on adjacent components, eliminates ignition or overheating risks and simplifies field work. The heat-resistant sealing tubing variants integrate specialized elastomer blends enabling extended high-temperature performance without compromising elasticity or sealing characteristics.

Volsun leverages rigorous testing and quality management (IATF 16949/ISO 9001) to validate product performance. Accelerated aging, salt spray, thermal cycling, UV exposure and water immersion tests confirm that EPDM cold shrink tube and IP68 cold shrink sleeve meet or exceed industry reliability expectations. These quality standards support critical-sector deployments, including utility infrastructure, automotive OEMs and telecommunication backbone systems.

Installation and Use Guidelines

- Prepare surfaces: Ensure cables, connectors and splice areas are clean, dry and free of sharp edges that could compromise the EPDM cold shrink tube.

- Select appropriate size: Choose a cold shrink sleeve size that provides adequate compression over the target diameter for a secure seal.

- Slide sleeve into position: Expand the EPDM cold shrink tube over the assembly while supported on the removable core.

- Remove support: Draw out the internal core to allow the sleeve to recover and conform tightly to the substrate, creating an IP68-level seal when properly installed.

- Inspect: Verify continuous contact and absence of gaps. For critical applications, follow recommended inspection intervals to confirm ongoing integrity.

Why Choose Volsun’s Cold Shrink Solutions

With over a decade of specialization in polymer materials, Volsun combines deep R&D expertise, a robust patent portfolio and certified manufacturing processes to deliver dependable cold shrink solutions. The EPDM cold shrink tube and IP68 cold shrink sleeve represent a marriage of material science and practical design, offering heat-resistant sealing tubing performance with ease of installation. For organizations seeking automotive insulation solutions or high-reliability sealing for utility and telecom deployments, Volsun’s cold shrink tubing provides a proven, low-risk choice.

Volsun supports global customers through OEM/ODM services, enabling tailored EPDM cold shrink tube configurations and IP68 cold shrink sleeve variants aligned with specific application needs. Backed by extensive testing and compliance with international quality standards, Volsun ensures that its cold shrink tubing products deliver lasting protection, performance and cost-efficiency.