CMC 70740 is a self adhesive Kapton® tape providing good thermal conductivity and outstanding insulating properties even at elevated temperatures. A thin adhesive layer reduces thermal transition resistance while simplifying pre-assembly.
Property
Value
Backing material
Kapton® MT
Colour
light brown
Thermal conductivity in W/(m∙K)
ca. 0.46
Substrate thickness in mm
0.025 ± 17%
Total thickness in mm
0.037 ± 0.005
Adhesive properties
Property
Value
Type of adhesive
acrylic
Adhesive strength in N/cm according to internal method PV 1006-32 (180° peel from steel)
≥1
Thermal properties
Property
Value
Temperature performance (max.) in °C
180
Electrical properties
Property
Value
Breakdown voltage based on IEC 60243-1 in Veff.
≥ 4'000
Mechanical properties
Property
Value
Tensile strength in N/cm
≥ 20
Elongation at break in %
≥ 20
Other properties
The technical data are average values and do not replace the user's own testing. Subject to change without notice. The PDF data sheet is binding.