HENGYANG ZK INDUSTRIAL CO., LTD
                                                                                                           
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14 Years
Since 2012
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Medium Voltage Weather-Resistant Silicone Rubber Cold Shrink Insulation Tubing

Price Negotiable
Price: 0.8-2.2USD/PCS
MOQ: 1000 pcs
Delivery Time: 10-20days
Brand: ZKCS
Product Description


Item

Specification

Product Name

Silicone cold shrink tube

Material Silicone Rubber
Expansion Ratio 4:1
Thickness 2.0mm
Standard Sizes 25×125mm, 25×135mm, 40×115mm, 40×130mm, 40×140mm, 60×140mm, 80×200mm (customizable)
Color Black / Gray (optional)
Type: Cold Shrink
Certification SGS


Products Description


Silicone cold shrink tube is a premium elastomeric sealing component crafted from high-grade silicone material, engineered to deliver robust performance in electrical and communication applications. Featuring a pre-expanded design, silicone cold shrink tube automatically conforms tightly to cables and connectors once the internal support core is removed, creating a seamless insulation and waterproof barrier. As a reliable sealing solution, silicone cold shrink tube is widely trusted across telecom, RF, and CATV industries to protect critical connections from extreme outdoor conditions, ensuring uninterrupted system operation. Silicone cold shrink tube stands out for its long-lasting durability, making it a go-to choice for engineers and installers seeking consistent performance.


Product Application


Silicone cold shrink tube is extensively applied for waterproof sealing of coaxial cables in telecom base stations, forming a solid defense against moisture, dust, and corrosive elements. It also provides reliable insulation protection for N-type connectors, 1/2" jumpers, and Din connectors, effectively preventing signal loss and short circuits in RF systems. In CATV networks, silicone cold shrink tube seals cable connectors securely to maintain signal integrity during prolonged outdoor exposure. For general electrical wire and cable connections, silicone cold shrink tube ensures stable insulation and sealing to extend the service life of power systems. Additionally, silicone cold shrink tube can be used in various other electrical and communication connection sealing scenarios, adapting to diverse on-site installation requirements.


Product Features


Silicone cold shrink tube boasts an expansion ratio of up to 4:1, allowing it to fit connections of varying diameters with exceptional flexibility.

With outstanding resilience, silicone cold shrink tube offers long-term moisture-proof and waterproof performance, even in harsh environmental conditions.

Featuring strong weather resistance, silicone cold shrink tube effectively withstands prolonged exposure, ozone aging, and UV radiation.

Parameters:
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


Product picture for your reference.

FAQ

1. Who are we?
We are professional in cold shrink industry. Our products have been exported to America, Australia, Egypt, Taiwan, India, Indonesia, Egypt, Spain, Italy and Germany etc, Europe countries. 


2. How can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;


3.What can you buy from us?
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 shrink tube and silicone cable accessories kit in telecommunication and electrical power industry.


4. what's your leading time?
Its depend on the quantity you order,usually it will take 20-30days after received your deposit.


5. what's your payment type?
Accepted Payment Type: T/T, L/C, Credit Card, PayPal, Western Union, Cash, Escrow;

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company HENGYANG ZK INDUSTRIAL CO., LTD
Location Building 3, Entrepreneurship Center, High-tech Zone, Hengyang City, Hunan Province.
Contact Person Richard Lee

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