HENGYANG ZK INDUSTRIAL CO., LTD
| Payment Terms | D/A,D/P,T/T |
| Supply Ability | 200000pcs/month |
| Delivery Time | 10-20days |
| Packaging Details | carton |
| Uvresistance | Excellent |
| Application | Cable insulation, sealing, and protection |
| Flexible | Yes |
| Material | Silicone Rubber |
| Easy To Install | Yes |
| Installation | Pull-on / Stretch fit |
| Corrosion Resistant | Yes |
| Free Sample | Yes |
| High Light | 2.0mm Silicone Cold Shink Tube |
| Diameter | 40mm |
| Hardness | 43+-3 |
| Oem | Siclione sleeve |
| Type | Cold shrink production |
| Brand Name | ZKCS |
| Model Number | Customized |
| Certification | ROHS |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | D/A,D/P,T/T | Supply Ability | 200000pcs/month |
| Delivery Time | 10-20days | Packaging Details | carton |
| Uvresistance | Excellent | Application | Cable insulation, sealing, and protection |
| Flexible | Yes | Material | Silicone Rubber |
| Easy To Install | Yes | Installation | Pull-on / Stretch fit |
| Corrosion Resistant | Yes | Free Sample | Yes |
| High Light | 2.0mm Silicone Cold Shink Tube | Diameter | 40mm |
| Hardness | 43+-3 | Oem | Siclione sleeve |
| Type | Cold shrink production | Brand Name | ZKCS |
| Model Number | Customized | Certification | ROHS |
| Place of Origin | CHINA | ||
| High Light | Active Breathing Seal ，All-Weather Durability ，High Mechanical Damage Resistance | ||
Product Introduction:
1. The Silicone cold shrink tube requires no heat gun or torch — just pull the inner cord and it shrinks instantly.
2. With a 4:1 expansion ratio, one Silicone cold shrink tube fits multiple cable diameters, making field installation much easier.
3. This Silicone cold shrink tube offers strong rebound resilience, excellent long-term moisture protection, and complete waterproofing.
4. The material is UV resistant, ozone resistant, and weatherproof — the Silicone cold shrink tube won’t crack under sunlight or extreme temperatures.
5. Tear strength is outstanding: even if you cut a small slit, the Silicone cold shrink tube will not continue to tear.
6. Once installed, the Silicone cold shrink tube actively seals by breathing with the cable, maintaining constant radial pressure over time.
Expansion ratio: up to 4:1
Strong rebound resilience
Long-term moisture resistance
Waterproof sealing
UV resistant / ozone resistant / weatherproof
Excellent tear strength (cut won’t spread)
Active sealing (breathes with cable)
High radial pressure
Outstanding mechanical damage resistance
Easy installation — no tools or heat required
Primary applications:
Telecom base stations – coaxial cable waterproofing
N-type connectors
1/2 jumpers
Din heads & 1/2 jumper connectors
CATV (cable TV) connector waterproofing
Wire and cable splicing
General connector sealing & insulation
| Properties | Typical Data | Test method |
| HS | 49 A | ASTM D 2240-75 |
| Tensile Strength | 9.8 MPa | ASTM D412-75 |
| Elongation at break | 720% | ASTM D412-75 |
| Tear Strength | 27 N/ mm | ASTM D624C-73 |
| Dielectric Strength | 14.3kV/mm | ASTM 149-75 |
| Dielectric Constants | 5.0(Initial data)/5.6(90degree in the water for 7 days)) | / |
| Anti-enzyme (bacteria) | The 28 day exposure without growth | ASTM G-21 |
| UV Resistant | UV irradiation for 2000 hours without aging | ASTM G-53 |
Picture:
FAQ
Q1: What is a Silicone cold shrink tube?
A: A rubber tube that shrinks instantly when you pull out the inner support cord — no heat required.
Q2: Do I need a heat gun?
A: No. That’s why it’s called “cold shrink.” Just pull the cord.
Q3: How many times can it expand?
A: Up to 4x its original size. One tube fits different cable diameters.
Q4: Is it waterproof?
A: Yes. It provides full waterproofing and long-term moisture protection.
Q5: Can it handle outdoor conditions?
A: Yes. It’s UV resistant, ozone resistant, and weatherproof.
Q6: What if I cut it accidentally?
A: The tear will not spread — excellent tear strength.
Company Details
Business Type:
Manufacturer
Year Established:
2012
Employee Number:
11~50
Ecer Certification：
Verified Supplier
Hengyang ZK Industrial Co., Ltd. mainly specialize in manufacturing and exporting cold shrink series sealing products, including customized processing machines and products kits, for examples: processing winding and expanding machines, spiraling strip/tube supporting material, EPDM cold sh... Hengyang ZK Industrial Co., Ltd. mainly specialize in manufacturing and exporting cold shrink series sealing products, including customized processing machines and products kits, for examples: processing winding and expanding machines, spiraling strip/tube supporting material, EPDM cold sh...
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