BS-ISO-1652-2004.pdf
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1、BRITISH STANDARD BS ISO 1652:2004 Rubber latex Determination of apparent viscosity by the Brookfield test method ICS 83.040.10 ? Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 07:43:14 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS ISO 1652:2004 This British Standard was published under the a
2、uthority of the Standards Policy and Strategy Committee on 13 April 2004 BSI 13 April 2004 ISBN 0 580 43645 4 National foreword This British Standard reproduces verbatim ISO 1652:2004 and implements it as the UK national standard. It supersedes BS 6057-3.11:1987 which is withdrawn. The UK participat
3、ion in its preparation was entrusted to Technical Committee PRI/50, Rubber-raw, natural and synthetic, including latex and carbon black, 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 St
4、andards which implement international publications referred to 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 publicat
5、ion does not purport to include all the necessary provisions 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/
6、European committee any enquiries on the interpretation, or proposals 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 pag
7、e, pages ii to iv, pages 1 to 6, an inside back cover and a back cover. The BSI copyright notice 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 07:43:14 GMT+00:00
8、 2006, Uncontrolled Copy, (c) BSI Reference number ISO 1652:2004(E) OSI 4002 INTERNATIONAL STANDARD ISO 1652 Third edition 2004-04-01 Rubber latex Determination of apparent viscosity by the Brookfield test method Latex de caoutchouc Dtermination de la viscosit apparente par la mthode dessai de Brook
9、field BS ISO 1652:2004 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 07:43:14 GMT+00:00 2006, Uncontrolled Copy, (c) BSI IS:2561 O4002(E) DPlcsid Fremia ihTs PDF file may ctnoian emdebt dedyfepcaes. In ccaocnadrw eith Aebods licensilop gnic,y this file mairp eb ynted iv roweb detu slahl ton
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14、bwww.is.o gro Pulbisdehi n Switlrez dna ii ISO 4002 Allr ithgsr esedevr BS ISO 1652:2004 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 07:43:14 GMT+00:00 2006, Uncontrolled Copy, (c) BSI IS:2561 O4002(E) I SO 4002 All irthgs ersedevr iii Contents Page Forewordiv 1 Scope1 2 Normative referen
15、ces .1 3 Terms and definitions.1 4 Principle.1 5 Apparatus.2 6 Sampling2 7 Further preparation of test sample .4 8 Procedure.4 9 Expression of results5 10 Test report5 Annex A (informative) Viscosity-measurement methods.6 BS ISO 1652:2004 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 07:43:
16、14 GMT+00:00 2006, Uncontrolled Copy, (c) BSI IS:2561 O4002(E) iv I SO 4002 All irthgs ersedevr 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 carr
17、ied 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.
18、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 Internat
19、ional 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 e
20、lements 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 1652 was prepared by Technical Committee ISO/TC 45, Rubber and rubber products, Subcommittee SC 3, Raw materials (including latex) for use in the rubber
21、industry. This third edition cancels and replaces the second edition (ISO 1652:1985), which has been technically revised, including the addition of an annex on viscosity-measurement methods. BS ISO 1652:2004 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 07:43:14 GMT+00:00 2006, Uncontrolled
22、 Copy, (c) BSI INTENRATIONAL TSANDADR IS:2561 O4002(E) I SO 4002 All irthgs ersedevr 1 Rubber latex Determination of apparent viscosity by the Brookfield test method WARNING Persons using this International Standard should be familiar with normal laboratory practice. This standard does not purport t
23、o address all of the safety problems, if any, associated with its use. It is the responsibility of the user to establish appropriate safety and health practices and to ensure compliance with any national regulatory conditions. 1 Scope This International Standard specifies a method for the determinat
24、ion of the apparent viscosity of both natural rubber latex concentrate and synthetic rubber latices by the Brookfield method. The method is also suitable for the determination of the viscosity of natural latices from sources other than Hevea brasiliensis and also for compounded latices. Other method
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