EN ISO 7263:2011
(Main)Corrugating medium - Determination of the flat crush resistance after laboratory fluting (ISO 7263:2011)
Corrugating medium - Determination of the flat crush resistance after laboratory fluting (ISO 7263:2011)
ISO 7263:2011 specifies two methods for the determination of the flat crush resistance of a corrugating medium after laboratory fluting.
The procedures are applicable to any corrugating medium intended to be used, after fluting, in the manufacture of corrugated board.
Wellenrohpapier - Bestimmung des Flachstauchwiderstandes an labormäßig gewelltem Wellenpapier (ISO 7263:2011)
Diese Internationale Norm legt zwei Prüfverfahren für die Bestimmung des Flachstauchwiderstandes von labormäßig gewelltem Wellenpapier fest.
Diese Verfahren sind für jedes Wellenpapier anwendbar, das für die Herstellung von Wellpappe eingesetzt wird.
Papier cannelure pour carton ondulé - Détermination de la résistance à la compression à plat après cannelage en laboratoire (ISO 7263:2011)
L'ISO 7263:2011 spécifie deux méthodes pour la détermination de la résistance à la compression à plat du papier cannelure pour carton ondulé après cannelage en laboratoire.
Les modes opératoires sont applicables à tout papier cannelure pour carton ondulé destiné à être utilisé, après cannelage, pour la fabrication de carton ondulé.
Valoviti papir - Določanje ploskovne odpornosti po laboratorijskem ovalovljenju (ISO 7263:2011)
Ta mednarodni standard določa dve metodi določanja ploskovne odpornosti valovitega papirja po laboratorijskem ovalovljenju. Postopki se uporabljajo za kateri koli valoviti papir, zato da se po ovalovljenju uporabi v proizvodnji valovitega kartona.
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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Wellenrohpapier- Bestimmung des Flachstauchwiderstandes an labormäßig gewelltem Papier (ISO 7263:2011)Papier cannelure pour carton ondulé - Détermination de la résistance à la compression à plat après cannelage en laboratoire (ISO 7263:2011)Corrugating medium - Determination of the flat crush resistance after laboratory fluting (ISO 7263:2011)85.060Papir, karton in lepenkaPaper and boardICS:Ta slovenski standard je istoveten z:EN ISO 7263:2011SIST EN ISO 7263:2011en01-julij-2011SIST EN ISO 7263:2011SLOVENSKI
STANDARDSIST EN ISO 7263:20091DGRPHãþD
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN ISO 7263
February 2011 ICS 85.060 Supersedes EN ISO 7263:2008English Version
Corrugating medium -Determination of the flat crush resistance after laboratory fluting (ISO 7263:2011)
Papier cannelure pour carton ondulé - Détermination de la résistance à la compression à plat après cannelage en laboratoire (ISO 7263:2011)
Wellenrohpapier - Bestimmung des Flachstauchwiderstandes an labormäßig gewelltem Wellenpapier (ISO 7263:2011) This European Standard was approved by CEN on 14 February 2011.
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 CEN-CENELEC 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 CEN-CENELEC Management Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
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Reference numberISO 7263:2011(E)© ISO 2011
INTERNATIONAL STANDARD ISO7263Fourth edition2011-02-15Corrugating medium — Determination of the flat crush resistance after laboratory fluting Papier cannelure pour carton ondulé — Détermination de la résistance à la compression à plat après cannelage en laboratoire
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ii © ISO 2011 – All rights reserved
ISO 7263:2011(E) © ISO 2011 – All rights reserved iii Contents Page Foreword.iv Introduction.v 1 Scope.1 2 Normative references.1 3 Terms and definitions.1 4 Principle.1 5 Apparatus.2 6 Sampling.4 7 Conditioning.4 8 Preparation of test pieces.4 9 Procedure.4 9.1 General.4 9.2 Testing immediately after fluting.4 9.3 Testing after 30 min of reconditioning.5 9.4 Fluting and testing.5 10 Expression of results.5 10.1 Flat crush resistance.5 10.2 Flat crush resistance index.6 11 Precision.6 12 Test report.6 Annex A (informative)
Maintenance of fluting rolls (horizontal type).7 Bibliography.8
ISO 7263:2011(E) iv © ISO 2011 – All rights reserved 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 2. The main task of technical committees is to prepare International Standards. 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 document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 7263 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 fourth edition cancels and replaces the third edition (ISO 7263:2008), of which it constitutes a minor revision. A misprint in 5.3.1 (8,55 mm) has been corrected and the calculation of the flat crush resistance index has been included in 10.2.
ISO 7263:2011(E) © ISO 2011 – All rights reserved v Introduction The flat crush resistance of laboratory-fluted corrugating medium is regarded as an important property because it is an indication of the potential flat crush resistance of corrugated fibreboard made from that medium. The corrugated medium is fluted by passing it between heated rollers. Two different test procedures are then widely used: a) the fluted corrugating medium is compressed immediately after fluting (i.e. 5 s to 8 s after fluting); b) the fluted corrugating medium is conditioned for 30 min to 35 min under standard laboratory test conditions before being compressed. Procedure a) generally gives considerably higher results than those obtained with procedure b). The differences in results are claimed to be caused by ⎯ the lower moisture content (and thus higher stiffness) of the unconditioned fluted corrugating medium, and/or ⎯ the change in flute profile which occurs during the conditioning period. Since considerable advantages are claimed for both procedures and both are widely used, this International Standard describes both procedures. A method of determining the flat crush resistance of manufactured corrugated fibreboard is given in ISO 3035[1].
INTERNATIONAL STANDARD ISO 7263:2011(E) © ISO 2011 – All rights reserved 1 Corrugating medium — Determination of the flat crush resistance after laboratory fluting 1 Scope This International Standard specifies two methods for the determination of the flat crush resistance of a corrugating medium after laboratory fluting. The procedures are applicable to any corrugating medium intended to be used, after fluting, in the manufacture of corrugated board. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 186, Paper and board — Sampling to determine average quality ISO 187, Paper, board and pulps — Standard atmosphere for conditioning and testing and procedure for monitoring the atmosphere and conditioning of samples ISO 536, Paper and board — Determination of grammage ISO 13820, Paper, board and corrugated fibreboard — Description and calibration of compression-testing equipment 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 flat crush resistance maximum force that a corrugated test piece will withstand before the flutes collapse under an increasing force applied perpendicular to its surface NOTE Flat crush resistance is expressed in newtons. 3.2 flat crush resistance index flat crush resistance divided by the grammage NOTE The result is expressed in newton square metres per gram (Nm2/g). 4 Principle Fluting of the corrugating medium by passing it between heated rollers, and its formation into single-faced corrugated board using pressure-sensitive adhesive tape as the facing. Application of a crushing force, in the direction perpendicular to the plane of the flutes, and determination of the flat crush resistance. SIST EN ISO 7263:2011
ISO 7263:2011(E) 2 © ISO 2011 – All rights reserved 5 Apparatus 5.1 Cutting device, for cutting the test pieces to the dimensions required. 5.2 Fluter, consisting of a pair of matched steel corrugating rolls. The roll temperature shall be maintained at 175 °C ± 8 °C. The temperature is controlled by any suitable method. Check the temperature when the rolls are in motion. One roll is motor-driven at 4,5 r/min ± 1,0 r/min and the rolls are held in mesh by a force of 100 N ± 10 N exerted between the rolls and dist
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