BS-ISO-5636-4-2005.pdf
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1、BRITISH STANDARD BS ISO 5636-4:2005 Paper and board Determination of air permeance (medium range) Part 4: Sheffield method ICS 85.060 ? Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 08:28:27 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS ISO 5636-4:2005 This British Standard was published un
2、der the authority of the Standards Policy and Strategy Committee on 14 February 2005 BSI 14 February 2005 ISBN 0 580 45480 0 National foreword This British Standard reproduces verbatim ISO 5636-4:2005 and implements it as the UK national standard. The UK participation in its preparation was entruste
3、d to Technical Committee PAI/11, Method of test for paper, board and pulps, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international publications referred t
4、o in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions
5、of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or pr
6、oposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the ISO title page, pages ii to v, a blank page, pages 1 to 12, an inside back
7、 cover and a back cover The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 08:28:27 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Reference number
8、 ISO 5636-4:2005(E) INTERNATIONAL ADNATSDR ISO 5-6364 ceSond deition -500210-20 Paper and board Determination of air permeance (medium range) Part 4: Sheffield method Papier et carton Dtermination de la permance lair (valeur moyenne) Partie 4: Mthode Sheffield Referecne unbmer OSI 4-6365002:)E(5 INT
9、ERNATIONAL STANDARD ISO 5636-4 Second edition 2005-02-01 na repaPb doraeD dimretnitao nof ria aemrepem( ecnduim narg )e :4 traP iffehStem dlehod paPire et cratno D retmiitanno ed p alremcna e lria (velaru yomnne)e raPtie :4 MtdohfehS eeifld BS ISO 56364:2005 Licensed Copy: sheffieldun sheffieldun, n
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13、 ifnrom ttneC ehlar Secterirata ta teh serddaig sleb nevwo. ii BS ISO 56364:2005 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 08:28:27 GMT+00:00 2006, Uncontrolled Copy, (c) BSI iii Contents Page Forewordiv Introduction v 1 Scope1 2 Normative references .1 3 Terms and definitions.1 4 Princ
14、iple.2 5 Apparatus.2 6 Sampling3 7 Conditioning3 8 Preparation of test pieces4 9 Calibration4 9.1 Variable-area flow-measuring device4 9.2 Electronic flow-measuring device.4 10 Procedure.4 10.1 Test atmosphere .4 10.2 Determination of air flow rate 4 11 Calculation and expression of results5 11.2 Ca
15、lculation of air permeance.5 11.3 Standard deviation5 12 Test report5 Annex A (normative) Care and maintenance of the test instrument using variable-area flowmeters.6 Annex B (normative) Calibration of flowmeters7 Annex C (informative) Conversion table 11 Bibliography .12 BS ISO 56364:2005 Licensed
16、Copy: sheffieldun sheffieldun, na, Mon Nov 27 08:28:27 GMT+00:00 2006, Uncontrolled Copy, (c) BSI iv 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
17、 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 w
18、ork. 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 Int
19、ernational 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
20、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 5636-4 was prepared by Technical Committee ISO/TC 6, Paper, board and pulps, Subcommittee SC 2, Test methods and quality specifications for paper an
21、d board. This second edition cancels and replaces the first edition (ISO 5636-4:1986), which has been technically revised. ISO 5636 consists of the following parts, under the general title Paper and board Determination of air permeance (medium range): Part 1: General method Part 2: Schopper method P
22、art 3: Bendtsen method Part 4: Sheffield method Part 5: Gurley method BS ISO 56364:2005 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 08:28:27 GMT+00:00 2006, Uncontrolled Copy, (c) BSI v Introduction Basic requirements and general operating procedures for the determination of air permeance
23、 are given in ISO 5636-1 (see 1 in the Bibliography). Other parts of ISO 5636 specify detailed requirements and operating procedures applicable to other types of apparatus. Since all these methods determine the air flow rate through a specified area under a specified pressure difference when the tes
24、t piece is clamped to avoid lateral surface leakage, they should in principle give the same result. BS ISO 56364:2005 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 08:28:27 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 08:28:27 GMT+00:00 2
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