Product Name
4:1 Expandable Silicone Cold Shrink Tube, High Performance Silicone Cold Shrink Tubing for Telecom Base Station Coaxial Cable Waterproof Sealing, Silicone Cold Shrink Cable Accessories for Outdoor Electrical Insulation
Product Description
Our premium silicone cold shrink tube is a top-tier cold-applied sealing solution crafted from high-quality silicone rubber, engineered to deliver reliable, long-lasting protection for cables in the harshest industrial and outdoor environments. As a leading supplier of silicone cold shrink tubing, we ensure every silicone cold shrink tube meets strict international quality standards, with an expansion ratio of up to 4 times, making this silicone cold shrink tube ideal for sealing connections of different cable diameters.
This silicone cold shrink tube boasts exceptional resilience, long-term moisture resistance, and excellent waterproof performance, while our silicone cold shrink tubing also features outstanding weather resistance, ozone aging resistance, and UV resistance, perfect for long-term outdoor use. The silicone cold shrink tube offers excellent tear strength—even if cut with a knife, the crack will not propagate, ensuring durable mechanical protection. Our silicone cold shrink tube adopts an active sealing design, allowing the silicone cold shrink tube to "breathe" with the cable, maintaining tight radial pressure and a reliable seal for years.
Easy to install without heat tools, this silicone cold shrink tube is widely used in telecom base stations, cable TV systems, power distribution, and other electrical applications. We offer a full range of standard sizes for silicone cold shrink tube and support OEM/ODM customization to meet your specific project requirements. Whether you need bulk silicone cold shrink tubing for large-scale projects or custom silicone cold shrink tube for special applications, we provide professional technical support and competitive pricing for all your silicone cold shrink tube needs.
Product Application
Telecom Industry: Silicone cold shrink tube for waterproof sealing of coaxial cables, N-type connectors, 1/2" jumpers, Din heads, and 1/2" jumper connectors in telecom base stations
CATV & Broadcasting: Silicone cold shrink tubing for waterproof sealing of cable TV connectors and signal transmission lines
Power & Electrical: Silicone cold shrink tube for insulation and sealing of wire and cable connections, cable joints, and electrical accessories in power distribution systems
Outdoor Engineering: Silicone cold shrink tubing for sealing protection of outdoor cables, communication lines, and electrical connections in harsh environments
Custom Applications: Silicone cold shrink tube for other types of connection insulation and sealing in various industrial electrical projects
Superior Sealing Performance: Silicone cold shrink tubing provides strong resilience, long-term moisture resistance, and excellent waterproof performance
Excellent Weather Resistance: Silicone cold shrink tube is resistant to sun exposure, ozone aging, and UV radiation, ideal for long-term outdoor use
Outstanding Tear Strength: Silicone cold shrink tubing has high tear resistance, cracks will not propagate even after being cut, ensuring mechanical durability
Easy Installation: Silicone cold shrink tube requires no heat tools, simple and fast on-site operation, saving labor and time
Active Sealing Design: Silicone cold shrink tubing "breathes" with the cable, maintaining tight radial pressure and reliable long-term seal
Strong Mechanical Protection: Silicone cold shrink tube offers excellent resistance to mechanical damage, protecting cables from external impact
Customizable: Multiple standard sizes of silicone cold shrink tubing available, support OEM/ODM for special lengths and specifications
Rubber Parameters
| Properties |
Test Method |
Typical Value |
| Color |
/ |
Light grey |
| Ultimate Tensile |
ASTM D412-75 |
9.0MPa |
| Ultimate Elongation |
ASTM D412-75 |
750% |
| Tear Resistance |
ASTM D624C-73 |
30KN/m |
| Fungus Resistance |
ASTM G21 28 days exposure |
No Growth |
| Dielectric Strength |
ASTM D149-75 @1.75 Original |
21KV/m |
| 7days in water at 90℃ |
20.5KV/m |
| Volume resistance |
ASTM D257 |
3.4×1015Ohm.cm |
Product picture for your reference
faq
1. Who are we?
ZK Industrial is a professional manufacturer in the cold shrink industry. With over 10 years of experience, we provide reliable cold shrink products, professional technical support, and competitive pricing. Our products are exported to the United States, Australia, Egypt, India, Indonesia, Spain, Italy, Germany, and other countries and regions. We accept OEM orders and always pursue win-win cooperation.
2. How can we guarantee quality?
Pre-production samples are provided before mass production.
100% final inspection is carried out before shipment.
3. What can you buy from us?
We supply a full range of cold shrink sealing products, customized processing machines, and complete product kits.
Including:
Tube winding & expanding machines
Spiraling strip / tube support materials
EPDM cold shrink tubes
Silicone rubber cable accessories & kits
Widely used in the telecommunications and electric power industries.
4. What’s your mass production delivery time?
The lead time is 10–20days, depending on order quantity.
5. What services can we provide?
We accept standard international trade terms including FOB, CIF, EXW. Other flexible terms are also welcome for discussion.
Japanese
