Standard: PAPTAC - C.1
THE DETERMINATION OF FREENESS
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This procedure was originally designed to yield a test value suitable primarily for the control of the manufacturing of groundwood pulp. It is also widely used to follow the changes in the drainage rate of various chemical pulps during beating and refining. Treatments which produce a large proportion of fines may sometimes cause an anomalous rise of freeness (false freeness) usually at values below 100 mL. Freeness values do not necessarily correlate with the drainage behaviour of pulp material on a commercial paper machine.
|Organization:||Pulp and Paper Technical Association of Canada, Formerly CPPA|
|Most Recent Revision:||YES|
|Document #||Change Type||Update Date||Revision||Status|
|C.1||Change Type:||Update Date: 1994-08-01||Status: INAC|