ISO 5636-4:2005
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Paper and board Determination of air permeance (medium range) Part 4: Sheffield method
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
23-10-2016
English, French, Russian
04-02-2005
ISO 5636-4:2005 specifies a method of determining the air flow rate through unit area of a sheet of paper or board, under unit pressure difference using apparatus called the Sheffield instrument.
The method is applicable to papers and boards having air permeances between 0,02 micrometres per pascal second and 25 micrometres per pascal second. The method is not suitable for papers and boards with a rough surface, such as crpe paper and corrugated papers, which cannot be securely clamped to avoid surface leakage.
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