Most of the cement factories are confronted with the question of using Paper (Kraft) Bags or Poly Propylene Bags in their packing line. The basic parameters of the two options are compared in the table below: Kraft paper bag Laminated polypropylene (PP) woven bag 1 moisture-proof Strong moisture absorption, water permeates layer by layer, deformation after wetting, high requirement for stacking. Isolated from moisture erosion in normal temperature, water absorption below 0.01% in 24 hours,...Continue Reading
