Standard: PAPTAC - D.4
THICKNESS AND APPARENT DENSITY OF PAPER AND PAPERBOARD
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This method describes the procedure for measuring the single sheet thickness of paper and paperboard. It is not applicable to papers that are embossed or creped.
The thickness of paper and paperboard is the distance between the two principal surfaces of a single sheet, when placed between two plane and parallel faces and subjected to a steady pressure (Note 1).
The apparent density of paper and paperboard is the mass per unit volume expressed as g/cm3.
The specific volume of paper and paperboard is the volume per unit mass expressed as cm3/g, i.e., the reciprocal of apparent density.
|Organization:||Pulp and Paper Technical Association of Canada, Formerly CPPA|
|Change Type:||COMPLETE REVISION|
|Most Recent Revision:||YES|
|Document #||Change Type||Update Date||Revision||Status|
|D.4||Change Type: STCH||Update Date: 2003-09-01||Status: INAC|
|D.4||Change Type:||Update Date: 1993-01-01||Status: INAC|