CMC 70320 – Technical Data Sheet
CMC 70320 is a self adhesive Kapton® film with high dielectric strength and outstanding resistance against corona / partial discharge.
Issued: 2019-06
Product description
CMC 70320 is a self adhesive Kapton® film with high dielectric strength and outstanding resistance against corona / partial discharge.
| Property |
Value |
| Backing material |
Kapton® CRC |
| Colour |
light brown |
| Thermal conductivity in W/(m⋅K) value by DuPont for the substrate only |
0.35 |
| Substrate thickness in mm |
0.025 ± 17% |
| Total thickness in mm |
0.055 ± 10% |
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. |
≥ 6'000 |
Mechanical properties
| Property |
Value |
| Tensile strength in N/cm |
≥ 30 |
| Elongation at break in % |
≥ 30 |
Other properties
® registered trademark of DuPont de Nemours
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.