<p>A packaging film with a main film made of a stretchable polymer film material and having a multiplicity of holes. A first condition of the main film including that a ratio of aeration percentage over final weight is greater than or equal to 14 meters per gram. A second condition of the main film is that the width of the packaging film is reducible by less than 15% between a condition before any stretching of the packaging film and a condition when the packaging film is stretched at an elongation equal to the elongation at the NDR point. A third condition of the main film is that a ratio of an absolute value of the difference of a holding force of the packaging film minus a predetermined target holding force divided by the target holding force is less than or equal to 5%.</p>
申请公布号
ES2366871(T8)
申请公布日期
2013.03.11
申请号
ES20060706230T
申请日期
2006.01.13
申请人
MEGA PLAST S.A.
发明人
PAPADOPOULOS, GEORGIOS;KARANDINOS, ANTHONY G.;MARKAKIS, DAMIANOS;GREVETZAKIS, EMMANOUIL;PAROUTI, SOFIA