BOPP film for capacitor

Features: By adopting the imported super high-purity capacitor-grade home-polypropylene resin, the film is made by biaxial-orientation tenter process.The film features excellent profile evenness, high BDV and high mechanical strength. The winded capacitors take on the characteristics of low dielectric dissipation and high insulation resistance.Applications: The film is speciallyused for capacitors after metalizing.Technical Characteristics typical value Unit Typical Values Test conditions Tensile strenghMD MPa 140 Stretching speed:100/min@23,50r.h. . TD MPa 250 Elongation at breakMD % 100 TD % 50 Themal shrinkageMD % 3.5 15 min @ 120TD% 0.6Wetting tension [1]mN/m 38Corona-treated Side Surface roughness μm 0.1 23 BDV X V/μm 550 at 23 air Relative permittivity 2.2 50Hz or 1kHz @ 23Volume resistivity Ω·m 5.0×1015 23 Dielectric dissipation factor(tan delta) 2×10-4 50Hz or 1kHz @23Specifications: 3L4E 5E 6E 7E 8D 9D 10D 12D ThicknessWMV μm 2.83.7 4.7 5.6 6.6 7.5 8.59.5 11.5 MMVμm 3.03.9 4.9 5.9 6.9 7.8 8.8 9.8 11.8 Tolerance Average % ±3 Individual % ±9 ±7 ±5 Final film roll width mm 500 ,620 Inner diameter mm 76.2 ,152.4 Net weight kg 62, 80Note Unusual specifications can be negotiated and specified additionally.