HENGYANG ZK INDUSTRIAL CO., LTD
| Payment Terms | T/T,D/P,D/A |
| Supply Ability | 100000 pcs |
| Delivery Time | 20-30days |
| Packaging Details | 50pcs or 100pcs/carton |
| Color | White，Black |
| Temperature Range | -55 To +125°C |
| Free Samples | Yes |
| Insulation | high insulation |
| Port | Ningbo,Shenzhen,Guangzhou |
| Keyword | silicone cold shrink tube |
| Type | cold shrink |
| Breakdown Voltage | 1kV-35KV |
| Application | Cable insulation, joint protection, and sealing |
| Uvresistance | High |
| Brand Name | ZKCS |
| Model Number | ZKCS-CS-2.0 |
| Certification | ROHS 2.0 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | T/T,D/P,D/A | Supply Ability | 100000 pcs |
| Delivery Time | 20-30days | Packaging Details | 50pcs or 100pcs/carton |
| Color | White，Black | Temperature Range | -55 To +125°C |
| Free Samples | Yes | Insulation | high insulation |
| Port | Ningbo,Shenzhen,Guangzhou | Keyword | silicone cold shrink tube |
| Type | cold shrink | Breakdown Voltage | 1kV-35KV |
| Application | Cable insulation, joint protection, and sealing | Uvresistance | High |
| Brand Name | ZKCS | Model Number | ZKCS-CS-2.0 |
| Certification | ROHS 2.0 | Place of Origin | CHINA |
| High Light | Weather-Sealed ，Dielectric Insulation ，Moisture-Barrier | ||
Product Description:
The built-in mastic cold shrink tube is a waterproof sealing product specially designed for outdoor cable and connector protection. This built-in mastic cold shrink tube comes with pre-coated mastic, eliminating the need for additional filling. The mastic cures without leaking, providing highly reliable flow sealing. Both ends of this built-in mastic cold shrink tube seal tightly against the cable wall, effectively preventing rainwater ingress. With excellent aging resistance and weather resistance, this built-in mastic cold shrink tube offers long service life. It is widely used for waterproof sealing of coaxial cables at telecom base stations, CATV connectors, N-type connectors, 1/2 jumpers, DIN heads, wire and cable connections, and other types of insulation sealing.
Application Scenarios:
Waterproof sealing for coaxial cables at telecom base stations
N-type connectors
1/2 jumpers
DIN heads and 1/2 jumper connectors
Waterproof sealing for CATV (cable TV) connectors
Wire and cable connections
Other types of connection and insulation sealing
Key Features:
Cures without leaking – The built-in mastic solidifies without overflow, providing highly reliable flow sealing
Both ends seal tightly – The inner walls at both ends of the cold shrink tube seal firmly against the cable, effectively preventing rainwater ingress
Aging resistant & weather resistant – Withstands UV, ozone, and sun exposure for long service life
Easy installation – No tools required, simply slide into place
High radial pressure – Excellent rebound performance for a tight seal
Mechanical damage resistance – Outstanding tear and abrasion resistance
technical parameters
| Properties | Test | Typical Value |
| Color | / | Black |
| Ultimate tensile | ASTM D412-75 | 9.0Mpa |
| Ultimate elongation | ASTM D412-75 | 820% |
| Tear resistance | ASTM D624C-73 | 30KN/m |
| Fungus resistance | ASTM G21 28 days exposure | No growth |
| Dielectric strength | ASTM D 149-75 @ 1.75 original 7 days in water at 90℃ |
21KV/m 20.5KV/m |
| Volume resistance | ASTM D257 | 3.4×1015Ohm.cm |
FAQ
Q1: Does the built-in mastic cure?
Yes. The built-in mastic cures automatically after application without overflowing, ensuring a reliable seal.
Q2: How waterproof is this built-in mastic cold shrink tube?
The waterproof rating is IP68, allowing full submersion. The sealed inner walls at both ends effectively prevent rainwater ingress.
Q3: Are tools required for installation?
No. Simply slide it over the cable connector, and the cold shrink tube will contract and seal automatically.
Q4: How is the aging resistance?
Excellent. It resists UV, ozone, and sun exposure, providing a long service life outdoors.
Q5: Which connectors is it suitable for?
N-type connectors, 1/2 jumpers, DIN heads, CATV connectors, wire and cable, and more.
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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