1、BSI Standards PublicationBS EN ISO 12625-9:2015Tissue paper and tissueproductsPart 9: Determination of ball burst strengthBS EN ISO 12625-9:2015 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN ISO12625-9:2015. It supersedes BS EN ISO 12625-9:2005 which iswithdra
2、wn.The UK participation in its preparation was entrusted to TechnicalCommittee PAI/11, Methods of test for paper, board and pulps.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions
3、of a contract. Users are responsible for its correctapplication. The British Standards Institution 2015. Published by BSI StandardsLimited 2015ISBN 978 0 580 83585 8ICS 85.060; 85.080.20Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was publishe
4、d under the authority of theStandards Policy and Strategy Committee on 28 February 2015.Amendments issued since publicationDate Text affectedEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 12625-9 February 2015 ICS 85.060 Supersedes EN ISO 12625-9:2005English Version Tissue paper and tissue
5、 products - Part 9: Determination of ball burst strength (ISO 12625-9:2015) Papier tissue et produits tissue - Partie 9: Dtermination de la rsistance lclatement, mthode la balle (ISO 12625-9:2015) Tissue-Papier und Tissue-Produkte - Teil 9: Bestimmung der Berstfestigkeit mit einem Durchstokrper (ISO
6、 12625-9:2015) This European Standard was approved by CEN on 3 January 2015. 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 bibli
7、ographical 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 respons
8、ibility 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, Former Yugoslav Repub
9、lic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMAL
10、ISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2015 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 12625-9:2015 EBS EN ISO 12625-9:2015EN ISO 12625-9:2015 (E) 3 Foreword
11、 This document (EN ISO 12625-9:2015) has been prepared by Technical Committee ISO/TC 6 “Paper, board and pulps” in collaboration with 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 standar
12、d, either by publication of an identical text or by endorsement, at the latest by August 2015, and conflicting national standards shall be withdrawn at the latest by August 2015. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN
13、 and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN ISO 12625-9:2005. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard:
14、 Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
15、Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 12625-9:2015 has been approved by CEN as EN ISO 12625-9:2015 without any modification. BS EN ISO 12625-9:2015ISO 12625-9:2015(E)Contents PageForeword ivIntroduction vi1 Scope . 12 Normative references 13 Terms and
16、 definitions . 14 Principle 25 Apparatus . 25.1 General . 25.2 Clamping system . 25.3 Penetration system 35.4 Force-measuring system 35.5 Drive mechanism 36 Sampling 47 Conditioning 48 Preparation of test pieces . 48.1 General . 48.2 Preparation of test pieces 49 Procedure. 410 Calculation 511 Test
17、report . 5Annex A (informative) Precision . 6Annex B (informative) Adaptor 9Bibliography .10 ISO 2015 All rights reserved iiiBS EN ISO 12625-9:2015ISO 12625-9:2015(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bo
18、dies). 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 an
19、d 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.The procedures used to develop this document and those intended for its further maintenance are de
20、scribed in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the different types of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives). Attention is draw
21、n 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. Details of any patent rights identified during the development of the document will be in the Introduction and/or on t
22、he ISO list of patent declarations received (see www.iso.org/patents). Any trade name used in this document is information given for the convenience of users and does not constitute an endorsement.For an explanation on the meaning of ISO specific terms and expressions related to conformity assessmen
23、t, as well as information about ISOs adherence to the WTO principles in the Technical Barriers to Trade (TBT) see the following URL: Foreword - Supplementary informationThe committee responsible for this document is ISO/TC 6, Paper, board and pulps, Subcommittee SC 2, Test methods and quality specif
24、ications for paper and board, in accordance with the Agreement on technical cooperation between ISO and CEN (Vienna Agreement) in collaboration with by the European Committee for Standardization (CEN) Technical Committee CEN/TC 172, Pulp, paper and board.This second edition cancels and replaces the
25、first edition, ISO 12625-9:2005, which has been technically revised.The following changes have been made: Clause 4 was reformulated; internal diameter of the two concentric rings was reduced to 50 mm; description of the procedure in Clause 9 was simplified; precision data in Annex A was added; edito
26、rial updating.ISO 12625 consists of the following parts, under the general title Tissue paper and tissue product: Part 1: General guidance on terms; Part 3: Determination of thickness, bulking thickness apparent bulk density and bulk; Part 4: Determination of tensile strength, stretch at maximum for
27、ce and tensile energy absorption; Part 5: Determination of wet tensile strength; Part 6: Determination of grammage; Part 7: Determination of optical properties Measurement of brightness and colour with D65/10 (outdoor daylight);iv ISO 2015 All rights reservedBS EN ISO 12625-9:2015ISO 12625-9:2015(E)
28、 Part 8: Water-absorption time and water-absorption capacity, basket-immersion test method; Part 9: Determination of ball burst strength; Part 11: Determination of wet ball burst strength; Part 12: Determination of tensile strength of perforated lines Calculation of perforation efficiency; Part 15:
29、Determination of optical properties Measurement of brightness and colour with C/2 (indoor daylight); Part 16: Determination of optical properties Opacity (paper backing) Diffuse reflectance method ISO 2015 All rights reserved vBS EN ISO 12625-9:2015ISO 12625-9:2015(E)IntroductionThis part of ISO 126
30、25 is applicable to tissue papers and tissue products. In principle, application to other paper types is possible, but not covered by this part of ISO 12625.It is expressly stated that the detection of impurities and contraries in tissue and tissue products be applied according to ISO 15755.For the
31、determination of moisture content in tissue paper and tissue products, ISO 287 and ISO 638 are applied.vi ISO 2015 All rights reservedBS EN ISO 12625-9:2015Tissue paper and tissue products Part 9: Determination of ball burst strength1 ScopeThis part of ISO 12625 specifies a test method for the deter
32、mination of the resistance to mechanical penetration (ball burst strength procedure) of tissue paper and tissue products.Currently, two types of clamping devices are available on the market with two different diameters, one is with 50 mm and one is with 89 mm (see Annex B). This part of ISO 12625 ap
33、plies for a 50 mm clamping device to be able to measure all sample sizes of tissue paper and tissue products and to be consistent with ISO 12625-11.2 Normative referencesThe following documents, in whole or in part, are normatively referenced in this document and are indispensable for its applicatio
34、n. 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 qualityISO 187, Paper, board and pulps Standard atmosphere for conditioning and tes
35、ting and procedure for monitoring the atmosphere and conditioning of samplesISO 7500-1, Metallic materials Verification of static uniaxial testing machines Part 1: Tension/compression testing machines Verification and calibration of the force-measuring systemISO 12625-1, Tissue paper and tissue prod
36、ucts Part 1: General guidance on termsISO 12625-6, Tissue paper and tissue products Part 6: Determination of grammage3 Terms and definitionsFor the purposes of this document, the terms and definitions given in ISO 12625-1 and the following apply.3.1grammagegmass of a unit area of tissue paper or tis
37、sue product as determined by the procedure specified in ISO 12625-6Note 1 to entry: The grammage is expressed in gram per square metre (g/m2).3.2bursting forceFmaximum force that a test piece of tissue paper or tissue product can withstand under the test conditions, applied at right angle to its sur
38、faceNote 1 to entry: The bursting force is expressed in newton (N).INTERNATIONAL STANDARD ISO 12625-9:2015(E) ISO 2015 All rights reserved 1BS EN ISO 12625-9:2015ISO 12625-9:2015(E)3.3burst indexXbursting force of tissue paper or tissue product divided by the grammageNote 1 to entry: The burst index
39、 is expressed in newton square metre per gram (Nm2/g).4 PrincipleThe test consists of measuring the resistance force of a highly polished stainless steel burst ball, moving at a constant speed, penetrating perpendicularly a tissue test piece that is clamped between the two concentric rings.5 Apparat
40、us5.1 GeneralThe apparatus shall be placed on a horizontal surface, free from externally induced vibrations.5.2 Clamping systemThe clamping system is designed to clamp the test piece firmly and uniformly between two concentric annular plane, parallel surfaces with same internal diameter. The clampin
41、g rings can be activated mechanically or pneumatically. The principle of the clamping system, using a pneumatic fixture is illustrated in Figure 1.Key1 load cell 5 movable ring2 travel 6 pneumatic cylinder3 stationary ring 7 probe4 suitable band made of rubber (e.g. polychloroprene rubber)apolished
42、stainless steel ballFigure 1 Principle of the clamping system, pneumatic fixture2 ISO 2015 All rights reservedBS EN ISO 12625-9:2015ISO 12625-9:2015(E)The clamping pressure shall be sufficient to prevent slippage during the test while avoiding damaging the test pieces (e.g. including a weakness poin
43、t near or under the clamping ring that could influence the results).The clamping surfaces of the clamping rings shall be covered with a band made of a suitable commercial grade rubber material (e. g, polychloropren rubber), typically 1,0 mm to 2,0 mm thick having an IRHD hardness (International Rubb
44、er Hardness Degree) of 70 IRHD to 85 IRHD.The inner edges of the annular rubber ring shall be coincident with the inner diameters of the clamping rings and the band shall be at least 12,5 mm wide.The internal diameter of the two concentric rings shall be (50,0 0,2) mm (see Annex B).For the dimension
45、s of the clamping system, see Figure 2.Dimensions in millimetresKey1 test area2 clamp ring covered with suitable material (e.g. polychloroprene rubber)asuitable band made of rubber (e.g. polychloroprene rubber)Figure 2 Dimensions of the clamping system5.3 Penetration systemThe penetration (burst) sy
46、stem shall consist of a spherical ball permanently attached to the end of a hard solid rod designed to transmit force applied to the ball from the test piece. The penetration ball shall be made of highly polished stainless steel and shall have the following dimensions: diameter: (16 0,2) mm; spheric
47、ity: better than 1 m.The penetration ball shall be centred with respect to the annular clamps. The diameter of the rod shall be smaller than the diameter of the ball. 5.4 Force-measuring systemThe force-measuring system shall measure loads with an accuracy of 1 % of the reading or 0,1 N, whichever i
48、s greater and shall be calibrated and verified to conform to the requirements according to ISO 7500-1. The load cell system shall have a measuring range of 0,1 N to 50 N. The readout system shall have a display that shows the maximum force at burst.5.5 Drive mechanismThe drive mechanism shall consis
49、t of a static uniaxial testing machine with a suitable mechanism for moving either the clamping system or the penetration system so that they approach each other at a constant rate in a direction perpendicular to the clamping system plane. The penetration test speed shall be (125 5) mm/min. ISO 2015 All rights reserved 3BS EN ISO 12625-9:2015ISO 12625-9:2015(E)6 SamplingIf the tests are being made to evaluate a lot, the sample shall be selected in accordance with ISO 186.If the tests are
