DIN ISO 2965-2012 Materials used as cigarette papers filter plug wrap and filter joining paper including materials having a discrete or oriented permeable zone and materials with bf.pdf
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1、July 2012 Translation by DIN-Sprachendienst.English price group 15No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 8
2、5.080.99!$|+“1899808www.din.deDDIN ISO 2965Materials used as cigarette papers, filter plug wrap and filter joiningpaper, including materials having a discrete or oriented permeable zoneand materials with bands of differing permeability Determination of air permeability (ISO 2965:2009)English transla
3、tion of DIN ISO 2965:2012-07Materialien fr Zigarettenpapiere, Filterstabumhllungen und Mundstckbelagpapiereinschlielich Materialien mit diskreter oder orientierter Zonenperforation und Materialienmit Bndern unterschiedlicher Durchlssigkeit Bestimmung der Luftdurchlssigkeit (ISO 2965:2009)Englische b
4、ersetzung von DIN ISO 2965:2012-07Matriaux utiliss comme papier cigarettes, pour le gainage des filtres et comme papiermanchette, y compris les matriaux possdant une zone permable discrte ou orienteet les matriaux bandes de permabilit diverses Dtermination de la permabilit lair (ISO 2965:2009)Traduc
5、tion anglaise de DIN ISO 2965:2012-07SupersedesDIN ISO 2965:2000-01www.beuth.deDocument comprises 2 pagesIn case of doubt, the German-language original shall be considered authoritative.306.12 A comma is used as the decimal marker. Contents Page Introduction 5 1 Scope . 6 2 Normative references . 6
6、3 Terms and definitions. 6 4 Principle. 7 5 Apparatus 10 6 Sampling 10 7 Procedure 10 7.1 General. 10 7.2 Leak check of the test piece holder 10 7.3 Preparation of test pieces 10 7.4 Calibration . 10 7.5 Insertion of a test piece 11 7.6 Measurement. 12 8 Expression of results . 13 9 Precision 14 9.1
7、 Repeatability 14 9.2 Reproducibility 14 9.3 Results of an international collaborative study (Study 1) 14 9.4 Statistical discussion of r and R results for Study 1. 15 9.5 Results of an international collaborative study (Study 2) 16 9.6 Statistical discussion of r and R results for Study 2. 17 10 Te
8、st report . 17 Annex A (normative) Leak testing of test piece holder 21 Annex B (normative) Calibration of air permeability standards and air permeability measuring instruments . 21 Annex C (informative) Determination of relevant surface leakage of test piece in the test piece holder . 25 Annex D (i
9、nformative) Flow of air through porous materials 27 Annex E (informative) Compensation of calibration standards 29 Bibliography . 32 DIN ISO 2965:2012-07 2National foreword3National Annex NA (informative) Bibliography . 4National foreword This standard has been prepared by Technical Committee ISO/TC
10、 126 “Tobacco and tobacco products” (Secretariat: DIN, Germany), Subcommittee SC 1 “Physical and dimensional tests” (Secretariat: AFNOR, France). The responsible German body involved in its preparation was the Normenausschuss Lebensmittel und landwirtschaftliche Produkte (Food and Agricultural Produ
11、cts Standards Committee), Working Committee NA 057-04-01 AA Tabak und Tabakerzeugnisse. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. DIN shall not be held responsible for identifying any or all such patent rights. The DIN Stand
12、ards corresponding to the International Standards referred to in Clause 2 are as follows: ISO 187 DIN EN 20187 ISO 3402 DIN ISO 3402 Amendments This standard differs from DIN ISO 2965:2000-01 as follows: a) the title and the scope have been extended, the standard is now also applicable to materials
13、having a discrete or oriented permeable zone and to materials with bands of differing air permeability; b) terms and definitions for the different papers have been included; c) Subclause 5.1 has been revised to include two different test piece holders; d) Subclause 9.5 “Results of an international c
14、ollaborative study (Study 2)” and Subclause 9.6 “Statistical discussion of r and R results for Study 2” have been included; e) Subclause B.6 “Calibration certificate” has been included; f) Annex E “Compensation of calibration standards” has been added; g) the standard has been revised in form and su
15、bstance and brought in line with the current rules of presentation. Previous editions DIN 10247: 1992-09 DIN ISO 2965: 1982-03, 2000-01 DIN ISO 2965:2012-07 3 National Annex NA (informative) Bibliography DIN EN 20187, Paper, board and pulps Standard atmosphere for conditioning and testing and proced
16、ure for monitoring the atmosphere and conditioning of samples DIN ISO 3402, Tobacco and tobacco products Atmosphere for conditioning and testing DIN ISO 2965:2012-07 4Introduction Measurements of air permeability of materials used as cigarette papers have been made for many years. The methods have r
17、equired development and change because of the changing nature of the paper products and changes in the magnitude of their air permeability. This method has been developed with the technical resources of CORESTA (Cooperative Centre for Research Relative to Tobacco). Materials used as cigarette papers
18、, filter plug wrap and filter joining paper, including materials having a discrete or oriented permeable zone and materials with bands of differing permeability Determination of air permeability DIN ISO 2965:2012-07 5 1 Scope This International Standard specifies a method for the determination of ai
19、r permeability (AP). It is applicable to materials used as cigarette papers, filter plug wrap and filter joining paper, including materials having an oriented permeable zone or discrete permeable zones where the measured permeability is in excess of 10 cm3.(min1.cm2) at 1 kPa. In addition, it is app
20、licable to banded cigarette papers, with bands of width W 4 mm. NOTE For an estimate of the air permeability of materials outside the scope of this International Standard, see Note 2 in 5.1.2 and Note 3 in 7.6.1. 2 Normative references The following referenced documents are indispensable for the app
21、lication 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 187, Paper, board and pulps Standard atmosphere for conditioning and testing and procedure for monitoring the
22、 atmosphere and conditioning of samples ISO 3402, Tobacco and tobacco products Atmosphere for conditioning and testing 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 air permeability AP flow of air, measured in cubic centimetres per minute,
23、passing through 1 cm2surface of the test piece at a measuring pressure of 1,00 kPa NOTE The air permeability units are cm3(min1cm2) at 1 kPa. 3.2 measuring pressure difference in pressure across the two faces of the test piece during the measurement DIN ISO 2965:2012-07 63.3 leakage air flow uninten
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