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Corona-resistant(CR) polyimidefilm is aimed at high power frequency control motorinsulation.
1.It is produced with adoptingadvanced dispersion technique which put the inorganicnano-particles into the film, so it can improve greatly theperformance of corona-resistant corrosion.
2.It is used widely in high powerfrequency control motor, and it can increase the reliability andlife of such motor with using it to make corona-resistantinsulating layer around the envelope and main insulatinglayer.
3.Excellentproperties:corona-resistant property, and other propertiesbetter than PI film.
Application:
It is used widely in high powerfrequency control motor
Technical Index:
No. | Item | Unit | Test Result | Test Method | |||
1 | Thickness | um | 27 | Test method provided by the GB/T13542.6-2006. | |||
2 | Width | mm | 663 | ||||
3 | Density | kg/m3 | 1407 | ||||
4 | Relative Permittivity (23°c,50Hz) | — | 3.7 | ||||
5 | Dielectric Loss Factor (23°c, 50Hz) | — | 2.8×10-3 | ||||
6 | Volume Resistivity (200°c,±2°c/1h) | Ω•m | 8.8×1011 | ||||
7 | Surface Resistivity (200°c,±2°c/1h) | Ω | 3.7×1014 | ||||
8 | Shrink-age | 150°c, | Vertical | % | 0.09 | ||
Horizontal | 0.01 | ||||||
400°c, | Vertical | 2.46 | |||||
Horizontal | -0.54 | ||||||
9 | Water Absorbability (23±2°c,)/RH(93±2°c,)%/24h | % | 1.0 | ||||
10 | Tensile Strength | Vertical | MPa | 179 | |||
Horizontal | 158 | ||||||
11 | Elongation Ratio | Vertical | % | 76 | |||
Horizontal | 94 | ||||||
12 | AC Electric Strength | V/um | 291 | ||||
13 | Combustion Characteristic | Class | VTF0 | ||||
14 | Corona Resistant (155°c,±2°c,) | Individual Value | — | 40min, 55min 1h10min, 1h20min, 1h38min, 1h55min, 2h8min, 2h25min, 2h40min | Test method provided by the GB/T24122-2009. | ||
Mean Value | 1h38min | ||||||
Corona-resistant(CR) Polyimidefilm
Corona-resistant(CR) Polyimide film
