Paper Air Permeability

DRK121 Paper Air Permeability is applied to testing the moderate air permeability of paper. Product features Under the specified conditions, the average air flow of paper in unit area, within unit time and under unit pressure. Product applicationApplying in testing air permeability of different kinds of paper (not contain the rough surface paper), such as cement bag paper, sack kraft paper, cable paper, copy paper, filter paper and so on. Technical standardsISO1924/2-1985