CMC 70330 is a self adhesive high temperature insulating tape with improved corona resistance in high voltage applications. Fillers in the film also provide higher thermal conductivity while maintaining good dielectric strength.
Property
Value
Backing material
Apical® polyimide film 110 CR
Colour
light brown
Substrate thickness in mm
ca. 0.028
Total thickness in mm
0.058 15%
Adhesive Properties
Property
Value
Type of adhesive
acrylic
Adhesive strength in N/cm according to internal method PV 1006-32 (180° peel from steel)
≥2
Thermal Properties
Property
Value
Temperature performance (max.) in °C
180
Short term temperature performance in °C (ca. 1 hour)
200
Insulation class according to IEC 60085
H
Electrical Properties
Property
Value
Breakdown voltage based on IEC 60243-1 in Veff.
≥ 5'000
Mechanical Properties
Property
Value
Tensile strength in N/cm
≥ 30
Elongation at break in %
≥ 30
Other Properties
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