Suzhou Volsun Electronics Technology Co., Ltd.
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RUBLS-EPDM
Volsun
For power infrastructure contractors, cable assembly manufacturers, and utility service providers, reliable cable protection is the cornerstone of stable system operation. VOLSUN RUBLS-EPDM series UV resistant EPDM cold shrink tube is a high-performance pre-stretched protective solution, engineered to deliver long-lasting insulation, sealing, and weather resistance for low-voltage power cables. Factory-expanded and assembled on a removable core, this cold shrink tube for power cables eliminates the need for on-site heat treatment, enabling fast, risk-free installation in even the most restricted work environments. Made from premium chloride-free and sulfur-free EPDM rubber, the sleeve maintains consistent performance for copper and aluminum conductors in 1000V and below applications, addressing core pain points of outdoor aging, sealing failure, and complex on-site installation for industrial and utility clients.
Unlike traditional heat shrink tubing, our wear resistant cold shrink tubing delivers exceptional ultraviolet aging resistance and low-temperature embrittlement resistance, making it ideal for long-term outdoor deployment. It retains its elasticity and sealing pressure even after years of exposure to harsh sunlight, wind, and extreme temperature fluctuations, eliminating frequent maintenance and replacement costs for outdoor power projects.
Outperforming silicone cold shrink alternatives, this EPDM cold shrink tubing offers outstanding resistance to abrasion, puncture, cutting, as well as acid and alkali corrosion. It expands and contracts synchronously with the protected workpiece without generating gaps, ensuring stable insulation and protection even under dynamic mechanical stress, effectively extending the service life of cable connections and terminals.
With a sealing class up to IP68, this EPDM cold shrink sleeve forms a permanent waterproof, dustproof barrier around cable joints, terminal lugs, and in-line connections. It maintains a tight seal even in windy, humid, or underground harsh environments, preventing water ingress and insulation failure that can lead to costly system downtime.
Designed for maximum on-site convenience, the pre-stretched cold shrink tube for low voltage power cables requires no special tools, heat sources, or professional training for installation. Simply position the sleeve over the target component, remove the inner core, and the tube will shrink automatically to form a tight fit, cutting installation time by over 70% compared to heat shrink solutions and eliminating fire risks associated with open flames.
Parameter | Specification |
Model | RUBLS-EPDM |
Core Material | Chloride-Free, Sulfur-Free EPDM Rubber |
Inner Diameter Range | Ф18mm – Ф155mm |
Maximum Customizable Length | ~1000mm |
Diameter Shrinkage Ratio | ±50% |
Sealing Protection Grade | IP68 |
Applicable Voltage | ≤1kV |
Compatible Conductors | Copper, Aluminum |
Customization Support | Special sizes, packaging per request |
This UV resistant cold shrink tube is tailored for industrial and utility clients with demanding cable protection needs. Core application scenarios include low-voltage power cable connection and terminal insulation in power distribution systems, outdoor photovoltaic and wind power generation cable sealing and UV protection, building electrical wiring and underground cable joint waterproofing, rail transit and communication base station cable insulation protection. For each industry, we provide targeted solutions to address specific environmental challenges, from long-term UV exposure in renewable energy projects to moisture-proof sealing in underground power networks, ensuring stable system operation and compliance with industry safety standards.
We understand that industrial projects have diverse and unique requirements, so we offer full customization services for our EPDM cold shrink tube for power cable. Beyond standard sizes, we support custom inner diameters, lengths, and packaging solutions to match your specific project and production needs. Our flexible supply chain caters to both small-batch prototype orders and large-scale bulk deliveries for ongoing projects, with strict quality control for every batch to ensure consistent performance. We also provide professional technical support to help you select the optimal sleeve size and solution for your application.
To achieve optimal insulation and sealing effect, we recommend wrapping the cable with insulation mastic tape or foam to increase its outer diameter first, before installing the cold shrink sleeve. We also provide supporting installation guidance and accessories to ensure perfect fit and performance.
No. Our pre-stretched cold shrink tubing requires no torches, heat guns, or any other heat sources for installation. The automatic shrinkage is achieved by removing the inner supporting core, making it safe for use in flammable or confined spaces where open flames are prohibited.
The maximum length we can produce for a single piece of this cold shrink tube is around 1 meter. Custom lengths within this range are available based on your actual application needs.
