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Non-Solidify No-Leak Built in Mastic Cold Shrink Tube

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Non-Solidify No-Leak Built in Mastic Cold Shrink Tube

Name: NonSolidify NoLeak Built in Mastic Cold Shrink Tube
Brand: ZKCS
Price: 1 USD

Buy cheap Non-Solidify No-Leak Built in Mastic Cold Shrink Tube product

Brand Name : ZKCS

Model Number : Customized

Certification : ROHS 2.0

Place of Origin : CHINA

MOQ : 500 pcs

Price : Negotitaion

Payment Terms : D/P,T/T,D/A

Supply Ability : 100000 pcs/month

Delivery Time : 10-20days

Packaging Details : 50pcs or 100pcs/carton

Uvresistance : Excellent

Feature : waterproof,seal

Installation Method : Cold shrink, no heating required

Performance : High Temperature Resistance

Color : Black

Wallthickness : Typically 1.5mm to 3mm

Operatingtemperaturerange : -55°C to 200°C

Size : Customized inner diameter and length

Keyword : cold shrink connector

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Product Name:

Built in Mastic Cold Shrink Tube

Product Introduction:

The Non-Solidify No-Leak Built in Mastic Cold Shrink Tube is specifically designed for outdoor telecom and CATV connections requiring permanent waterproofing. During installation, simply remove the inner core; this Built in Mastic Cold Shrink Tube automatically shrinks and tightly wraps around connectors and cable interfaces.

Unlike ordinary sealants, this Built in Mastic Cold Shrink Tube solidifies without flowing, ensuring reliable sealing even on irregular connector surfaces. Both ends of the Built in Mastic Cold Shrink Tube create a tight inner-wall seal, forming a complete barrier against rainwater. Whether used on 1/2 jumpers, N-type connectors in telecom base stations, or DIN heads in CATV systems, this Built in Mastic Cold Shrink Tube delivers long-term insulation and sealing protection.

Every Built in Mastic Cold Shrink Tube passes rigorous aging and weather resistance tests for harsh outdoor environments. Another version of this Built in Mastic Cold Shrink Tube is also ideal for quick repairs of general wire and cable connections — truly one tube for multiple applications.

Product Applications:

Widely used for:

Waterproof sealing of coaxial cables in telecom base stations (N-type connectors, 1/2 jumpers, DIN heads)
Sealing of cable TV connectors
Wire and cable connection sealing & insulation
General connector and cable joint protection against moisture ingress

Key Features:

Solidifies without leaking – The built-in mastic slowly solidifies after shrinking, providing reliable flow-sealing without leaking or contaminating equipment.
Dual-end inner wall sealing – Both ends of the tube tightly adhere to the cable inner wall, preventing rainwater ingress.
Aging & weather resistant – UV-resistant and ozone-resistant materials ensure long service life in harsh outdoor environments.

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
Dielectric Strength	7days in water at 90℃	20.5KV/m
Volume resistance	ASTM D257	3.4×1015Ohm.cm

Product pictures:

Non-Solidify No-Leak Built in Mastic Cold Shrink Tube

FAQ:

Q1: What makes this Built in Mastic Cold Shrink Tube different from heat shrink tubing?

A: No heat required. This shrinks automatically by removing the inner core. The built-in mastic solidifies without leaking, providing reliable flow sealing for telecom and CATV connections.

Q2: Can it be used for CATV connectors and general wire splicing?

A: Yes. This works perfectly for CATV connectors, N-type, DIN heads, 1/2 jumpers, and general wire/cable insulation sealing.

Q3: How does it prevent rainwater ingress?

A: Both ends of this create tight inner-wall sealing against the cable, blocking rainwater from entering along the connection.

Q4: Does the mastic flow or leak after long-term use?

A: No. It solidifies slowly after shrinking and does not leak or overflow. That is the key feature of this — reliable sealing without contamination.

Q5: Is it weather-resistant and long-lasting?

A: Yes. Every is UV-resistant, ozone-resistant, and aging-resistant, ensuring long service life in outdoor environments like telecom base stations.

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