CGSB 9.0 NO. 5-93-CAN/CGSB-1993
Methods of Testing Pulp and Paper Brightness of Pulp, Paper and Paperboard

Standard No.

CGSB 9.0 NO. 5-93-CAN/CGSB-1993

Release Date

1993

Published By

Canadian General Standards Board （CGSB)

Status

Withdraw

Scope

The Canadian Standard Freeness test is designed to give a measure of the rate at which a dilute suspension of pulp may be dewatered. The drainage rate, or freeness, has been shown to be related to the surface conditions and swelling of the fibres,