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          PI-072 polyimide film

          PI-072 polyimide film
          Polyimide film(PI-072)is high size-stability Polyimide Film,besides the properties of general-purpose polyimide film KYPI,such type imparts superior dimensional stability, which makes it ideal for applications requiring size stability.
          Features
          1.High dimensional stability
          2.Easy coating property
          3.Temp resistance from -452°F to over 752°F(-269℃ to over 400℃)
          4.Excellent balance of electrical,chemical and physical property
          Application
          1.Voice Coil of Speaker
          2.Coverlay or Stiffener in F-PCB)
          3.Applications requiring high dimensional stability
          Main Specification
          Properties Unit Values
          um(mil) 25(1) 50(2) 75(3) 125(5)
          Density g/cm3 1.42 ±0.2
          Tensile Strength MD ≥ MPa 185  175 165  155 
          TD ≥ 145 130 120 110
          Elongation     ≥ % 45 40
          Breakdown Strength ≥  (48~62Hz) Average MV/m 160 150 140 100
          Individual 140 130 120 80
          Peel Strength ≥ N/mm 1.2
          Surface Resistance, 
           200℃(392F)  ≥
          Ω 1.0×1013
          Volume Resistance,  
          200℃(392F)  ≥
          Ω·m 1.0×1010
          Dielectric Constant 48~62Hz --- 3.5± 0.4
          Loss Tangent 48~62Hz ≤ --- 4.0×10-3
           
           

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