Type Embedded Intensity(N/50mm) Figure Breadth(mm) opening side content side PE-108-13 30 70 and above   13 Use e.g. food,sundries Characteristic general use for making bags, high intensity, the opening and closing operation can be repeated, the intensity will be reduced slightly, the thickness of the flanges are well-proportioned, the realization of the highest intensity on the condition of the smallest cross-sectional area, this type is suited for heavy duty packaging