This second edition cancels and replaces the first edition (i. e. ISO 4022:1977). The test is carried out under such conditions that the fluid permeability can be expressed in terms of viscous and inertia permeability coefficients (see annex A). Does not apply to very long hollow cylindrical test pieces of small diameter. Annex B gives test fluids.
WITHDRAWN
EN ISO 4022:2006
99.60
Withdrawal effective
Oct 31, 2018
PUBLISHED
EN ISO 4022:2018