BS 5381-4 1998 Edition, April 15, 1998
Methods for Determination of Physical Properties of Tobacco and Tobacco Products Part 4: Determination of Air Permeability of Materials Used as Cigarette Papers, Filter Plug Wrap and Filter Joining Paper
Additional Comments: W/D S/S BY BS ISO 2965
Published By:British Standards Institution (BSI)
Applicable if the measured permeability is greater than 10cm3 at 1 kPa.