AS 1301.439S-1991

1 - AS 1301.439s-1991 BENDTSEN ROUGHNESS OF PAPER AND PAPERBOARD
1 - 1. APPARATUS
1 - 1.1 Bendtsen air permeance/roughness tester
1 - 1.2 Roughness head
1 - 1.3 Air compressor
1 - 1.4 Optically flat glass plate
1 - 1.5 Roughness jig
1 - 1.6 Overweight
2 - 2. SAMPLE PREPARATION
2 - 3. PROCEDURE
3 - 4. REPORT
3 - 5. TEST ACCURACY
4 - 6. NOTES
4 - 7. REFERENCES
4 - 8. ADDITIONAL INFORMATION
5 - APPENDIX A - CARE AND MAINTENANCE OF BENDTSEN AIR PERMEANCE/ROUGHNESS TESTERS
5 - A1 Checks for Air Leaks.
5 - A2 Manostat Weights.
5 - A3 Movement.
5 - A4 Cleaning Rotameter Tubes.
5 - A5 Checking Flow Meters with Capillary Tubes.
6 - A6 Air Tubes.
6 - A7 Roughness jig.
6 - A8 Roughness head.
7 - APPENDIX B - CALIBRATION BY SOAP BUBBLE METER
8 - APPENDIX C - GLASS CAPILLARIES

Tentative Standard - November 1976.
Standard - January 1991.