... weight per roll:25-50kg Product name: Perforated/Holed kraft paper/Punched kraft paperSpecification:1, substance: 60-250gsm2, width : 48 ... 4, core 3’’Features1, Econ-friendly underlay kraft paper, recycled kraft paper, half-recycled kraft paper2, Wrink-free ,good air ventilation, ... Inner: Water-proof polythene film Outer: Damp-proof kraft paperApplication and usage 1,CAM AUTOMATIC CUTTING MACHINE: used ...