Heat Shrinkable Bus Bar Insulation Tape

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Heat Shrinkable Bus Bar Tape is specially formulated, cross linked, flame retardant tape which shrinks and fits to any regular or irregular surface as it can be wrapped around any shaped bus bar. It is used where bus bar tubings cannot be installed.


  • Heatshrinkable Bus bar tape offers simple and effective solutions to bus bar which are fixed and cannot be dismantled. It can be used for both indoor and outdoor sites and is easily installed over regular & irregular shapes including complex connections.
  • It is widely used in switchgear equipments and substations to avoid accidental flashover and furthermore, it reduces the toxic and obnoxious gas release in event of fire.


  • Tested as per IEC-60332-1-2-2004 & IEC 754 PART 1
  • Avoids Accidental Flashover
  • Halogen Free
  • Continous Opeating Temprature:-30°C to 130°C


Code As Supplied Width (mm) Recovered Thickness (mm) Standard Length (M)
CBIT-1 25 1 5 or 10
CBIT-2 50 1 5 or 10

Technical Properties

Property Requirements Test Method
Tensile strength ≥ 11.8 MPa ASTM D 2671
Tensile strength after aging (120°C/168 Hrs) ≥ 10 MPa ASTM D 2671
Longitudinal Shrinkage 0 to -10% ASTM D 2671
Elongation at break ≥ 700% ASTM D 2671
Elongation at break after aging
(120°C/168 Hrs)
≥ 500% ASTM D 2671
Dielectric Strength ≥20Kv/mm IEC 243
Dielectric constant 4.0 IEC 250
Volume resistance 1013 Ohm cm min. IEC 93
Flammability (oxygen index) ≥ 25 ASTM 4589
Copper corrosion(120°C/168Hrs) No corrosion ASTM D 2671
Cold bend(-40°C/4 Hrs) No corrosion ASTM D 2671
Water absorption (23°C/14 days) <0.5% ISO 62

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