<p>The present invention relates to a capacitor film which comprises a polypropylene
a) having xylene solubles (XS) of at least 0.5 wt.-% and
b) comprise(s) a crystalline fraction melting in the temperature range of 200 to 105 °C determined by stepwise isothermal segregation technique (SIST), wherein said crystalline fraction comprises a part which melts at or below 140 °C and said part represents at least 10 wt-% of said crystalline fraction.</p>
