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KAPLAR™ KPPHT

Capacitor Grade BOPP Film for Higher Temperature Applications

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Characteristics Value Unit Method
Physical Properties
Value Variation %
Nominal thickness < 5 µm 3, 3.5, 4, 4.5 ±5 µm IEC 60674-2
6 to 9 µm 6, 6.5, 7, 7.5, 8, 9 ±4
> 9 µm 10, 11, 12 ±3
Film width As per customer specification mm SRF - TM
Density 0.905 gm/cc IEC 60674-2
Melting point 165 ~ 172 °C IEC 61074 DSC
Crystallinity >50 % ISO 11375-3 DSC
Surface Properties
Surface Roughness (Ra) < 5 µm 0.06 - 0.12 µm DIN EN 4287, 4288
6 to 9 µm 0.09-0.15
> 9 µm 0.10-0.16
Treatment Level ≥ 34 Dyne/cm ASTM D 2578
Electrical Properties
Dielectric constant at 50Hz 2.20 ± 0.1 - IEC 60674-2
Dissipation factor, tan δ at 50Hz <2.0 x 10-4 -
Surface Resistivity ≥ 1014 Ω/sq.
Volume Resistivity > 1015 Ω m
DC Dielectric strength < 5 µm Minimum > 400 Vdc/µm
Average > 525
6 to 9 µm Minimum > 500
Average > 575
> 9 µm Minimum > 525
Average > 575
Electrical weak points Avg. defects < 2/m2 at 300 Vdc/µm No's
Mechanical Properties
MD TD
Tensile Strength < 5 µm ≥130 ≥240 MPa IEC-60674-2
6 to 9 µm ≥135 ≥250
> 9 µm ≥135 ≥250
Elongation at break ≤180 ≤60 %
Thermal Properties
Heat Shrinkage
(120°C for 15 min)
< 5 µm ≤ 4.5 ≤ 1.5 % IEC-60674-2
6 to 9 µm ≤ 3.5 ≤ 1.0
> 9 µm ≤ 3.5 ≤ 1.0
Chemical Properties
ASH Content < 30 PPM ASTM D 5630
Roll Properties
Characteristics Value Unit Tolerance
Paper Core Inner Diameter 152 mm + / - 1.0
Centring of Core - mm -0, +2.0
Core Length Nominal width of the film mm -0, +3.0
Film Length Order Length Meter -10% to +100 Meter

MD – Machine Direction | TD – Transverse Direction

Applications

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Renewable Energy Systems
EV (Electronic Vehicles)
Consumer Electronics
Agriculture

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