5000 Bus-Seal

HV Rubber Backed Insulating Mastic

A laminate of W963 Plysafe and 10 Plyseal insulating mastic.  A one-pass application of this laminate provides high dielectric strength, instant, adhesion and excellent conformability.  For insulating and water-proofing high voltage bus connectors and conductors. Corrosion protection for junction boxes, bus-duct and cable tray joints.

Temperature range

Continuous: 90ºC |194 ºF

Overload: 130ºC |266 ºF


  • Jacketing Repair
  • Contractor / Industrial
  • OEM
Tack Level:
  • Good Tack