IEC 60674-3-1:1998+A1:2011 Gives the requirements for biaxially oriented polypropylene film having a smooth or rough surface, corona treated when required for vacuum metallization. The films are for use as dielectric in capacitors. THIS CONSOLIDATED VERSION CONSISTS OF THE FIRST EDITION (1998) AND ITS AMENDMENT 1 (2011). THEREFORE, NO NEED TO ORDER AMENDMENT IN ADDITION TO THIS PUBLICATION.