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Non-Solidifying Moisture-Sealing Silicone Mastic KCSI-70

Non-Solidifying Moisture-Sealing Silicon Mastic KCSI-70 is a strong-adhesion, non-drying polymer putty that is VOC-free, eco-friendly, and non-corrosive. KCSI-70 offers excellent conformability, waterproofing, fireproofing, flame resistance and electrical insulation properties, suitable for applications from -40°C to 100°C (-40°F to 212°F).

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Application Scenarios

Delivers insulation and waterproof sealing protection for sensors and electrical joints on high-speed rail, metro, light rail, and maglev systems, along with a sealing and filling function for irregularly shaped joints.

Product Performance Table

Available ModelKCTC-801
Physical Specifications

500 g/strip

Base Material Silicone
Viscosity

5 cm

(1.969')

Thermal Weight Loss1.1%

Oil Resistance 

(24 h)

No change


(Typical Values)

*Dimensions are customizable upon request. 

Installation Guide

Wear latex gloves when using Non-Solidifying Moisture-Sealing Silicone Mastic KCSI-70. Knead the mastic thoroughly to achieve optimal compactness and sealing results. Fill the application area with KCSI-70 and conform the putty to shape by pressing tightly, ensuring no gaps.


If necessary, the exterior can be covered with a PE film for additional 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.