TISSUE – SINGLE SHEET THICKNESS
Purpose of the test
This test is performed to determine the thickness of a single sheet of tissue paper.
Procedure
Operate the instrument in accordance with ISO 12625-3 and the manufacturer’s instructions.
Leave the samples exposed for 24 h to 23°C and 50% R.H., according to ISO 187.
Perform one measure in the centre of each single test piece for single sheet thickness.
Report 10 measures in mm, their mean and standard deviation calculated to 3 significant figures.
ISO 12625-3
Nr. of samples
12 test pieces per level
No special size
Levels
Level 1: 0.1÷0.25 mm
Level 2: 0.30÷0.50 mm
Reporting
Report 10 valid results of measurements in mm, their mean and their standard deviation. All to three significant digits.