SIST EN ISO 2758:2003
(Main)Paper - Determination of bursting strength (ISO 2758:2001)
Paper - Determination of bursting strength (ISO 2758:2001)
Papier - Bestimmung der Berstfestigkeit - (ISO 2758:2001)
Papier - Détermination de la résistance a l'éclatement (ISO 2758:2001)
Papir - Določevanje razpočne trdnosti (ISO 2758:2001)
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
SIST EN ISO 2758:2003
01-december-2003
3DSLU'RORþHYDQMHUD]SRþQHWUGQRVWL ,62
Paper - Determination of bursting strength (ISO 2758:2001)
Papier - Bestimmung der Berstfestigkeit - (ISO 2758:2001)
Papier - Détermination de la résistance a l'éclatement (ISO 2758:2001)
Ta slovenski standard je istoveten z: EN ISO 2758:2003
ICS:
85.060 Papir, karton in lepenka Paper and board
SIST EN ISO 2758:2003 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST EN ISO 2758:2003
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SIST EN ISO 2758:2003
EUROPEAN STANDARD
EN ISO 2758
NORME EUROPÉENNE
EUROPÄISCHE NORM
July 2003
ICS 85.060
English version
Paper - Determination of bursting strength (ISO 2758:2001)
Papier - Détermination de la résistance à l'éclatement (ISO Papier - Bestimmung der Berstfestigkeit (ISO 2758:2001)
2758:2001)
This European Standard was approved by CEN on 26 June 2003.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European
Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national
standards may be obtained on application to the Management Centre or to any CEN member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the official
versions.
CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,
Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and United
Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36 B-1050 Brussels
© 2003 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 2758:2003 E
worldwide for CEN national Members.
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SIST EN ISO 2758:2003
EN ISO 2758:2003 (E)
Foreword
The text of ISO 2758:2001 has been prepared by Technical Committee ISO/TC 6 "Paper, board
and pulp” of the International Organization for Standardization (ISO) and has been taken over as
EN ISO 2758:2003 by Technical Committee CEN/TC 172 "Pulp, paper and board", the
secretariat of which is held by DIN.
This European Standard shall be given the status of a national standard, either by publication of
an identical text or by endorsement, at the latest by January 2004, and conflicting national
standards shall be withdrawn at the latest by January 2004.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of
the following countries are bound to implement this European Standard: Austria, Belgium, Czech
Republic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy,
Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and
the United Kingdom.
Endorsement notice
The text of ISO 2758:2001 has been approved by CEN as EN ISO 2758:2003 without any
modifications.
NOTE Normative references to International Standards are listed in Annex ZA (normative).
2
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SIST EN ISO 2758:2003
EN ISO 2758:2003 (E)
Annex ZA
(normative)
Normative references to international publications
with their relevant European publications
This European Standard incorporates by dated or undated reference, provisions from other
publications. These normative references are cited at the appropriate places in the text and the
publications are listed hereafter. For dated references, subsequent amendments to or revisions of
any of these publications apply to this European Standard only when incorporated in it by
amendment or revision. For undated references the latest edition of the publication referred to
applies (including amendments).
NOTE Where an International Publication has been modified by common modifications, indicated
by (mod.), the relevant EN/HD applies.
Publication Year Title EN Year
ISO 186 1994 Paper and board - Sampling to EN ISO 186 1996
determine average quality
ISO 187 1990 Paper, board and pulps - Standard EN 20187 1993
atmosphere for conditioning and
testing and procedure for monitoring
the atmosphere and conditioning of
samples
ISO 536 1995 Paper and board - Determination of EN ISO 536 1996
grammage
3
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SIST EN ISO 2758:2003
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SIST EN ISO 2758:2003
INTERNATIONAL ISO
STANDARD 2758
Third edition
2001-09-15
Paper — Determination of bursting strength
Papier — Détermination de la résistance à l'éclatement
Reference number
ISO 2758:2001(E)
© ISO 2001
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SIST EN ISO 2758:2003
ISO 2758:2001(E)
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©
ii ISO 2001 – All rights reserved
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SIST EN ISO 2758:2003
ISO 2758:2001(E)
Contents Page
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 2
5 Apparatus . 2
6 Calibration . 2
7 Sampling and preparation of test pieces . 3
8 Procedure . 3
9 Expression of results . 4
10 Precision . 4
11 Test report . 4
Annexes
A Dimensions of the clamping system . 6
B Testing the clamps . 8
C Clamping pressure. 9
D Calibration of pressure-measuring system . 10
Bibliography. 11
©
ISO 2001 – All rights reserved iii
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SIST EN ISO 2758:2003
ISO 2758:2001(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO
member bodies). The work of preparing International Standards is normally carried out through ISO technical
committees. Each member body interested in a subject for which a technical committee has been established has
the right to be represented on that committee. International organizations, governmental and non-governmental, in
liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical
Commission (IEC) on all matters of electrotechnical standardization.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 3.
Draft International Standards adopted by the technical committees are circulated to the member bodies for voting.
Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote.
Attention is drawn to the possibility that some of the elements of this International Standard may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights.
International Standard ISO 2758 was prepared by Technical Committee ISO/TC 6, Paper, board and pulps,
Subcommittee SC 2, Test methods and quality specifications for paper and board.
This third edition cancels and replaces the second edition (ISO 2758:1983), which has been technically revised.
Annexes A, B, C and D form a normative part of this International Standard.
©
iv ISO 2001 – All rights reserved
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SIST EN ISO 2758:2003
ISO 2758:2001(E)
Introduction
This International Standard is applicable to papers with bursting strengths in the range 70 kPa to 1 400 kPa.
For materials with bursting strengths equal to or greater than 350 kPa (or 250 kPa for the components of combined
materials), an alternative method, based on similar principles, is specified in ISO 2759. All components of solid and
corrugated fibreboard, irrespective of bursting strength, should be tested according to ISO 2759.
In view of the overlap between the method for testing papers and boards and in the absence of any commercial
agreement, materials below 600 kPa should be tested according to this International Standard.
NOTE Due to differences in the specification of the apparatus, tests made on the same material using the procedures of
ISO 2759 and this International Standard will not necessarily give the same results.
©
ISO 2001 – All rights reserved v
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SIST EN ISO 2758:2003
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SIST EN ISO 2758:2003
INTERNATIONAL STANDARD ISO 2758:2001(E)
Paper — Determination of bursting strength
1 Scope
This International Standard specifies a method for measuring the bursting strength of paper submitted to increasing
hydraulic pressure. It is applicable to paper having bursting strengths within the range 70 kPa to 1 400 kPa. It is not
intended to be used for the components (such as fluting medium or linerboard) of a combined board, for which the
method given in ISO 2759 is more suitable.
In the absence of any commercial agreement as to which method should be used for testing the material, materials
with bursting strengths below 600 kPa should be tested according to this International Standard.
2 Normative references
The following normative documents contain provisions which, through reference in this text, constitute provisions of
this International Standard. For dated references, subsequent amendments to, or revisions of, any of these
publications do not apply. However, parties to agreements based on this International Standard are encouraged to
investigate the possibility of applying the most recent editions of the normative documents indicated below. For
undated references, the latest edition of the normative document referred to applies. Members of ISO and IEC
maintain registers of currently valid International Standards.
1)
ISO 186:— , Paper and board — Sampling to determine average quality.
ISO 187:1990, Paper, board and pulps — Standard atmosphere for conditioning and testing and procedure for
monitoring the atmosphere and conditioning of samples.
ISO 536:1995, Paper and board — Determination of grammage.
3 Terms and definitions
For the purposes of this International Standard, the following terms and definitions apply.
3.1
bursting strength
maximum pressure developed by the hydraulic system in forcing an elastic diaphragm through a circular area of the
paper when the pressure is applied in the manner described in the method
NOTE The indicated bursting pressure includes the pressure required to extend the diaphragm during the test.
3.2
burst index
bursting strength of paper, in kilopascals, divided by the grammage of the paper determined in accordance with
ISO 536
1) To be published. (Revision of ISO 186:1994)
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ISO 2001 – All rights reserved 1
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SIST EN ISO 2758:2003
ISO 2758:2001(E)
4Principle
A test piece, placed over a circular elastic diaphragm, is rigidly clamped at the periphery but free to bulge with the
diaphragm. Hydraulic fluid is pumped at a constant rate, bulging the diaphragm until the test piece ruptures. The
bursting strength of the test piece is the maximum value of the applied hydraulic pressure.
5 Apparatus
The apparatus shall contain, as a minimum, the features described in 5.1 to 5.4.
5.1 Clamping system, for clamping the test piece firmly and uniformly between two annular, plane, parallel
surfaces which shall be smooth (but not polished) and grooved as described in annex A, which also gives the
dimensions of the clamping system.
One clamping plat
...
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