2.3. Paper sheet preparation
The laboratory paper was made by a semi-automatic sheet machine (British Handsheet Machine) according to
TAPPI T 205 om-88 Forming Handsheets for Physical Tests of Pulp. 24 g of free moisture content pulp required to
produce overall test sample according to 60 gsm paper. Firstly, pulps were disintegrated to disperse the bundled
pulp. 2 liters of water were added into the disintegrator tank contain with the pulp and run for 2000 revolutions.
After completion, the disintegrated pulps were poured into the stock divider. Water level inside the stock divider
was raised up to 8 liters level. Pneumatics air bubble used to mix the pulp and water evenly.