BS ISO 3781:2011
Current
The latest, up-to-date edition.
Paper and board. Determination of tensile strength after immersion in water
Hardcopy , PDF
English
30-09-2011
Important note : Users cannot be edited or removed once added to your Multi user PDF.| Committee |
PAI/11
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| DevelopmentNote |
Supersedes BS 2922-2(1984). (09/2011) Reviewed and confirmed by BSI, March 2017. (03/2017)
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| DocumentType |
Standard
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| Pages |
16
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| PublisherName |
British Standards Institution
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| Status |
Current
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| Supersedes |
This International Standard specifies a test method for the determination of the wet tensile strength of paper or board after its immersion in water for a specified period.
In principle, the method is applicable to both paper and board, provided an appropriate soaking time is agreed between the interested parties.
This International Standard is not applicable to tissue paper and tissue products or other lightweight, highly absorbent paper which is difficult to handle or of low strength when wet (see ISO12625-5[1]).
NOTE The tensile strength testing is performed using an apparatus operating at a constant rate of elongation of 20mm/min, as per ISO1924-2, or 100mm/min, as per ISO1924-3. Therefore, depending on which method is chosen, only one or the other of those International Standards is needed for performing the test.
| Standards | Relationship |
| ISO 3781:2011 | Identical |
| DEFSTAN 81-030/6(2017) : 2017 | PAPER MATERIAL FOR WRAPPING |
| ISO 5725-1:1994 | Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions |
| ISO 1924-3:2005 | Paper and board Determination of tensile properties Part 3: Constant rate of elongation method (100 mm/min) |
| ISO 187:1990 | Paper, board and pulps — Standard atmosphere for conditioning and testing and procedure for monitoring the atmosphere and conditioning of samples |
| ISO/TR 24498:2006 | Paper, board and pulps Estimation of uncertainty for test methods |
| ISO 186:2002 | Paper and board — Sampling to determine average quality |
| ISO 1924-2:2008 | Paper and board — Determination of tensile properties — Part 2: Constant rate of elongation method (20 mm/min) |
| ISO 14487:1997 | Pulps — Standard water for physical testing |
| ISO 12625-5:2016 | Tissue paper and tissue products — Part 5: Determination of wet tensile strength |
| TAPPI T 1200 : 2014 | INTERLABORATORY EVALUATION OF TEST METHODS TO DETERMINE TAPPI REPEATABILITY AND REPRODUCIBILITY |
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