Technical characteristics: Weight of the tube support 270 g (for manual rollers) Available for manual or automatic use Guaranteed Stretch: 50% Thickness 7-12 µ (este o folie preintinsa/pretensionata) Standard width 400-500 mm Transparency 100% Mechanical characteristics: Tensile/longitudinal strength: 125 N/mm2 Tensile/transverse strength: 76 N/mm2 At break / longitudinal elongation: 95% At break / transverse elongation: 260% Guaranteed Stretch: 50% Maximum Stretch: 100% Arrow test (Dart): 35 gr.