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Waterproof Mastic (Waterproof Sealing) KCTC-802

Waterproof Mastic KCTC-802 is a highly waterproof, conformable mastic that provides excellent moisture sealing protection for specific areas of power cable joints and terminations. This mastic offers outstanding compatibility with various materials and cables, along with superior adaptability to irregular surfaces.

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Application Scenarios

Offers dependable waterproof sealing protection for power cable joints and terminations, ensuring localized reliability.

Product Performance Table

Available ModelKCTC-802

Dimensions 

(T x W x L)

2.0 mm x 26 mm x 330 mm

(0.079" x 1.024" x 1.083')

Base Material IIR
Dielectric Breakdown Strength16.2 kV/mm
Volume Resistivity2.8×1014 Ω·cm
Elongation at Break1,000%

Drip Point Temperature 

(130°C/266°F × 24 h)

No dripping
Low Temperature Resistance 

(-40°C/-40°F x 168 h)

No cracking


(Typical Values)

*Dimensions are customizable upon request. 

Installation Guide

To apply Waterproof Mastic KCTC-802, remove the liner and wrap KCTC-802 around the target area, or embed the mastic directly into areas that require filling, insulation, sealing, and waterproof protection.

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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.