3M 7000006236 Electrical Tape Mastic 2.5in 45 Mil Black 25pk

Product Description

The 3M 7000006236 is a mastic adhesive electrical tape pad designed for sealing applications in electrical installations. Measuring 2.5 inches wide by 2.5 inches long and 45 mil thick, this pad provides a conformable, moisture-resistant seal around cable splices, connectors, and irregular surfaces. The mastic adhesive construction flows into voids and gaps without requiring heat or tools, making it a go-to material for electricians working on underground splices, direct-burial connections, and moisture-sensitive terminations. Each package contains 25 pads.

This tape pad is used in residential, commercial, and industrial electrical work where a pliable, void-filling seal is needed. Common applications include cable splice sealing, insulating irregular shapes, and protecting terminations from moisture ingress. It is well suited for use in junction boxes, splice kits, conduit entry points, and direct-burial cable applications where standard tape wraps cannot conform adequately to the surface geometry.

Key Features

• Mastic adhesive construction conforms to irregular surfaces and fills voids without heat
• 45 mil thickness provides substantial insulating and sealing mass
• 2.5 inch x 2.5 inch pad size fits standard splice and termination footprints
• Black color for UV and light identification consistency in electrical applications
• Sold in a 25-pad package for job-site or service van stocking
• Series 58598 product line for cross-reference and ordering consistency

Compatibility

Designed as an OEM-style mastic sealing pad for use in electrical splice kits and termination assemblies requiring a conformable void-filling tape. Consult splice kit documentation to confirm pad size requirements before installation.

Installation Notes

Installation is typically performed by a licensed electrician following applicable NEC requirements for the circuit type and environment. De-energize and lock out the circuit before working on any splice or termination. Mastic pads should be applied to clean, dry surfaces for best adhesion and sealing performance. Do not stretch or thin the pad beyond its natural dimensions, as this will reduce effective sealing thickness.