PI film HN

Appearance Transparent or semi-transparent golden film with smooth and flat
surface and without any pinhole, bubbles or electrical conductive impurities.
Thickness   mm 0.025 0.05 0.075 0.10 0.125 0.15
Thickness tolerance ±15% ±15% ±15% ±10% ±10% ±10%
Tensile strength ≥ MPa 140 140 140 120 120 120
Elongation ≥ % 40 40 40 60 60 60
Breakdown strength ≥ MV/m 150 150 150 120 120 120
Surface resistance ≥ Ω 1×1013
Volume resisitivity ≥ Ω·m 1×1010
Dielectric constant (MHz)   - 3.0 ~ 4.0
Dissipation factor tan (MHz) ≤ - 0.001

PI film FN

Index Unit Polyimide film single coating FEP Polyimide film double coating FEP
Appearance - Transparent or semi-transparent golden film with smooth and flat
surface and without any needle cavities, bubbles or electrically conductive impurities.
Model - 150FN019 200FN028 250FN029 300FN029B 120FN616 200FN919 300FN929 500FN959
Thickness ( film / FEP / film ) μm 25/13 40/10 50/13 60/15 2.5/25/2.5 12.5/25/12.5 12.5/50/12.5 12.5/100/12.5
Nominal thickness μm 38 50 63 75 30 50 75 125
Thickness tolerance μm ±4.0 ±6.0 ±4.0 ±6.0 ±10.0
Width mm 6～1000 6～520
Length ≥ m 300
Tensile strength ≥ Mpa 90 80
Elongation at rupture ≥ % 40
Dielectric strength ≥ MV/m 120
Peel strength ≥ N/cm 2.3
Surface resistivity ≥ Ω 1.0×1013
Volume resistivity ≥ Ω·cm 1.0×1015
Dielectric constant(at 106 H) - 3～4
Dielectric tangent(at 106 H) ≤ - 1.0×10-3

PI film VN

Appearance Transparent or semi-transparent golden film with smooth and flat surface and without any pinhole, bubbles or electrically conductive impurities.
Thickness nominal   μm 25 50 75 125 175
Thickness tolerance   μm ±3.0 ±5.0 ±7.5 ±12.5 ±17.5
Width   mm 6～1000 6～520
Length   m 1000+5 500+5 300+5 200+5
Tensile strength ≥ MPa 140 120
Elongation at rupture ≥ % 40 60
Dielectric strength ≥ MV/m 150 120
Shrinkage at 200℃ ≥ % 0.15
Surface tension ≥ D 38
Peel strength ≥ N/cm 1.2
Surface sesistivity ≥ Ω 1.0×10-13
Volume resistivity ≥ Ω·cm 1.0×10-15
Dielectric constant(10-6Hz) 3～4
Dielectric tangent10-6 Hz ≤ 1.0×10-3

PI film for voice coil

Index Unit Polyimide film for voice coil
Appearance - Transparent or semi-transparent golden film with
smooth and flat surface and without any needle cavities, bubbles or electrically conductive impurities.
Thickness nominal μm 50 75 125 150
Thickness tolerance μm ±5.0 ±7.5 ±12.5 ±15
Width mm 1040±2 1040±2 520±2 520±2
Length m 1000+5 500+5 300+5 300+5
Tensile strength ≥ MPa 140
Elongation at rupture ≥ % 40
Dielectric strength ≥ MV/m 150
Peel strength ≥ N/mm 1.2
Volume resistivity ≥ Ω·cm 1.0×1013
Dielectric constant(at106Hz) - 3～4
Dielectric tangent (at 106Hz) ≤ - 1.0×10-3