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Product Code: DRK121
DRK121 Paper Air Permeability is applied to testing the moderate air permeability of paper.
Applying 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.
Under the specified conditions, the average air flow of paper in unit area, within unit time and under unit pressure.
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