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Silicone Rubber Cold Shrink Tube KCTG-100

Silicone Rubber Cold Shrink Tube KCTG-100 is a unique formula, open-ended silicon sleeve that is factory-expanded and constructed over a removable inner supportive ripcord. The tube forms a tight, water-resistant seal, offering waterproof protection in power, telecom, and various other projects. 


KCTG-100 can be effortlessly installed within 30 seconds with no tools, heat, sealants, or tapes, and retains elasticity and pressure even after years of aging and exposure, ensuring long-term durability.

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Application Scenarios

Application locations include waterproof sealing protection for power and telecom cable joints, inline connections, terminal lugs, and terminal boxes.

Product Performance Table

Available ModelKCTC-100
Compatible Cable Diameter

4.8 mm 70 mm

 (0.189" ~ 2.756")

Diameter After Expansion

16 mm 80 mm

 (0.630" ~ 3.150")

Length After Expansion

50 mm 700 mm

 (0.164' ~ 2.297')

Recovered Wall Thickness

2.5 mm 4.5 mm

 (0.098" ~ 0.177")

Base MaterialSilicone
Tensile Strength10.1 MPa
Elongation at Break890%
Tear Strength48.4 kN/m
Electrical Strength23.41 kV/mm
Waterproof RatingIPX7
Continuous Operating Temperature-60°C/-76°F~90°C/194°F


(Typical Values)

*Dimensions are customizable upon request.

Installation Guide

Position the Silicone Rubber Cold Shrink Tube KCTG-100 over the installation area, such as over the inline connection, joints, terminal lug, and terminal box. To install, pull and unwind the plastic ripcord in a counter-clockwise direction to unravel the spiral support core. This will allow the elasticity of the KCTG-100 to contract and conform into place.

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  • Contact Us

    Email: info@sinokc.com

    Telephone: (+86)-0510-83109661

  • Our Location

    Address: Building No.1, No.8 Jinshansizhi Rd., Jinshanbei Science & Technology Park, Wuxi, Jiangsu, 214037, China

Technical Note

All statements, technical information, recommendations, and usage related to Wuxi Kuncheng New Material Technology Co., Ltd. are based on reliable information, but accuracy or completeness is not guaranteed. The data and information in this website may not be relevant to all product users.It is the user's responsibility to determine the suitability of the product for its intended application, and the user assumes all risks, injuries, death, and liability associated with such use. Wuxi Kuncheng New Material Technology Co., Ltd. expressly disclaims all express or implied warranties, including merchantability and fitness for a particular purpose to the fullest extent permitted by law and does not accept responsibility or liability, whether direct, indirect, or consequential, arising from use of the product or reliance on this website.