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Waterproof Mastic (Electrical Insulation Putty) KCPT-803

Waterproof Mastic KCPT-803 is a soft, pliable putty designed for insulating low-voltage applications and providing excellent filling and moisture-sealing protection for irregular electrical components.

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Application Scenarios

Insulates power cable joints up to 600 V and provides filling and waterproof sealing for irregular electrical compo- nents, high-voltage joints, and busbars.

Product Performance Table

Available ModelKCPT-803

Dimensions

(T x W x L)

3.0 mm x 38 mm x 1,500 mm

(0.118" x 1.496" x 4.921')

Base MaterialIIR
Dielectric Breakdown Strength12 kV/mm
Volume Resistivity3.2×1014 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 KCPT-803, remove the liner and wrap KCPT-803 around the target area, or embed the mastic directly into areas that require filling, insulation, sealing, and waterproof protection.

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    Email: info@sinokc.com

    Telephone: (+86)-0510-83109661

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    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.