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3 Data Sheet
Scotch TM 2220
Electrical Stress Control Tape
1. Product Description
3. Typical Properties*
Scotch TM 2220 Stress Control Tape changes the
voltage distribution in electrical field surrounding
medium voltage joints or terminations.
2. Applications
Lines of flux are regulated to equalize the
electrical stresses in a controlled manner along
the entire taped joint or termination area where
the shielding has been re-moved.
By changing the electrical field surrounding the
joint or termination, the stress concentration is
reduced from several thousand volts to values
found in continuous cable.
Colour
Thickness 1
Tensile Strength 1
Elongation 1
Dielectric Constant 2
Electric Strength 3
Range of Temperature 4
Continuous operating temp.
Emergency operating temp.
Grey
0.76 mm
>4.3 MPa
>225%
25 – 30
>13.8 kV/mm
90°C
130°C
The figures below show the stress concentrations
around three energized cables. Figures Nos. 1, 2
and 3 show, respectively, the stress
*These are typical values and should not be used for
specification purposes.
concentrations near a cable shield end, a
standard tape stress cone, and a joint or
termination utilizing Scotch 2220 ‘Stress Control
Tape’. The stress concentrations on the insulation
1
2
3
4
IEC 60454-2
VDE 0303-4
IEC 60243
IEC 60085, IEC 60216
surface are directly proportional to the closeness
of the equipotential lines.
4. Installation Technique
The tape shall be applied in half-lapped layers
with very little tension and the silver color side
looking outside.
Follow the appropriate instruction drawings for
joints and terminations.
5. Maintenance
Scotch TM 2220 Tape shall have 5 years shelf life
under normal storage conditions (21° C).
6. Availability
Scotch TM 2200 Tape is available from 3M and
your local 3M authorized electrical distributor.
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