ISO 5636-4
Paper and board - Determination of air permeance (medium range) - Part 4: Sheffield method
Papier und Pappe - Bestimmung der Luftdurchlässigkeit (mittlerer Bereich) - Teil 4: Verfahren nach Sheffield
Responsible national committee
NA 074-02-03 AA - Physical-technological test methods for paper and board
Responsible international committee
ISO/TC 6/SC 2 - Test methods and quality specifications for paper and board