AS/NZS 1301.438S:1997

1-AS/NZS 1301.438s:1997 METHODS OF TEST FOR PULP AND PAPER - BURSTING STRENGTH OF BOARD
4-Contents
5-Foreword
6-Introduction
7-1 Scope
7-2 Normative references
7-3 Definition
7-3.1 bursting strength:
7-4 Principle
7-5 Apparatus
7-5.1 Burst tester
7-5.2 Clamping
9-5.3 Diaphragm
9-5.4 Fluid pump
9-5.5 Pressure measuring system
10-5.6 Hydraulic fluid
10-6 Preparation of test pieces
10-7 Procedure
11-8 Calculation
11-9 Report
12-10 Precision
12-10.1 Paperboard
12-10.2 Corrugated fibreboard
13-Annex A - Care and maintenance of the bursting strength tester
13-A.1 Regular routine inspection
13-A.2 Periodic checks of the hydraulic system
14-A.3 Installation of a new diaphragm
14-A.4 Adjusting the fluid volume for service
14-A.5 Pressure height test
15-A.6 Installation of a new pressure measuring system
15-A.7 Checking the clamping pattern
15-A.8 Checking the hydraulic system for air
16-A.9 Checking the hydraulic system for leaks
16-A.10 Verification of bursting strength testers
17-Annex B - Measuring the pumping rate
17-B.1 Non-cam-operated testers
17-B.2 Cam-operated testers
18-Annex C - Setting the clamping pressure
18-C.1 Manual clamps
18-C.2 Power-operated clamps
19-Annex D - Calibration of electronic sensor systems
19-D.1 Apparatus
19-D.2 Procedure
20-Annex E - Bibliography