Panduit ST2226-375-10BK Insulating Mastic Tape, EPR, Black

Protect critical cable terminations and splices with Panduit ST2226-375-10BK Insulating Mastic Tape — a self-amalgamating EPR tape engineered for reliable electrical insulation and water sealing. Designed for contractors and maintenance teams, this insulating mastic delivers high dielectric strength for applications up to 600V and bonds effectively to metal, rubber and common cable jackets. The generous 3.75" x 10' roll minimizes downtime by covering larger splices and cable ends in a single wrap, while the black finish maintains a professional appearance on power, networking and security infrastructure.

Ideal for overhead and direct-buried connections, the tape provides a flexible, maintenance-free seal that resists moisture intrusion—helping extend the life of surveillance, monitoring and communications cabling. Packaged one roll per box (10 rolls per case for bulk purchasing), the ST2226-375-10BK is a practical choice for electrical construction, industrial sites and field service crews. Add this Panduit insulating mastic tape to your toolkit to improve splice reliability and speed installations on every job.

• Creates long-lasting, watertight seals for overhead, underground and splice applications, reducing rework and service calls
• Self-amalgamating EPR compound forms a high-dielectric, flexible insulation for electrical connections up to 600V
• Superior adhesion to metal and varied cable jackets simplifies sealing on power, networking and security cable runs
• Wide 3.75" x 10' roll covers larger splices and reduces tape changeovers on job sites
• Durable black finish blends with cable assemblies for neat installations in surveillance, monitoring and infrastructure projects