THICKNESS of CORRIGATED BOARD
Purpose of the test
This test is performed to determine the thickness of corrugated board.
Procedure
Operate the instrument in accordance with ISO 3054 and the manufacturer’s instructions. Perform one measurement on the marked side, in the centre of each single test piece.
Report 10 measures, their mean and standard deviation calculated to 3 significant figures, express the results in µm.
ISO 3054
Nr. of samples
12 test pieces per level
Sample size 100 x 100 mm²
Special size A4, A3
Levels
Level 1: 3.8÷4.4 mm
Level 2: 6.6÷7.2 mm
Reporting
Report 10 valid results of measurements, their mean and their standard deviation. All to three significant digits.