BS-1344-9-1998 ISO-2744-1998.pdf
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1、BRITISH STANDARD BS 1344-9: 1998 ISO 2744:1998 Methods of testing vitreous enamel finishes Part 9: Determination of resistance to boiling water and water vapour ICS 25.220.50 Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 24 06:21:13 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 1344-9:1998 Thi
2、s British Standard, having been prepared under the direction of the Sector Board for Materials and Chemicals, was published under the authority of the Standards Board and comes into effect on 15 June 1998 BSI 04-1999 ISBN 0 580 29974 0 Amendments issued since publication Amd. No.DateComments License
3、d Copy: sheffieldun sheffieldun, na, Fri Nov 24 06:21:13 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 1344-9:1998 BSI 04-1999i Contents Page National forewordii Forewordii 1Scope1 2Normative references1 3Principle1 4Reagents1 5Apparatus1 6Test specimens1 7Procedure1 8Expression of results3 9Test re
4、port3 Annex A (informative) Bibliography4 Figure 1 Cylinder of test apparatus with a simmering aid2 Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 24 06:21:13 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 1344-9:1998 ii BSI 04-1999 National foreword This British Standard reproduces verbatim ISO
5、 2744:1998 and implements it as the UK national standard. It supersedes BS 1344-9:1987 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee STI/36, Vitreous enamel coatings, which has the responsibility to: aid enquirers to understand the text; present to
6、the responsible international/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. The standard is now published in 22 parts: Part 1: Determination o
7、f resistance to thermal shock of coatings on articles other than cooking utensils and fabricated sheet steel components; Part 2: Resistance to citric acid at room temperature; Part 3: Determination of resistance to sulphuric acid at room temperature; Part 4: Resistance to abrasion (obsolescent); Par
8、t 5: Determination of resistance to hot detergent solutions used for washing textiles; Part 6: Resistance to alkali; Part 7: Determination of resistance to heat; Part 8: Determination of resistance to boiling citric acid; Part 9: Determination of resistance to boiling water and water vapour; Part 10
9、: Determination of resistance to condensing hydrochloric acid vapour; Part 11: High voltage test for enamelled articles for service under highly corrosive conditions; Part 12: Production of specimens for testing coatings on sheet steel; Part 13: Production of specimens for testing coatings on cast i
10、ron; Part 14: Apparatus for testing with acid and neutral liquids and their vapours; Part 15: Apparatus for testing with alkaline liquids; Part 16: Resistance to thermal shock of coatings on cooking utensils; Part 17: Resistance to hot sodium hydroxide solution; Part 18: Determination of fluidity be
11、haviour Fusion flow test; Part 19: Apparatus for determination of resistance to hot detergent solutions used for washing textiles; Part 20: Low voltage test for detecting and locating defects; Part 21: Determination of the resistance of vitreous enamelled articles to impact Pistol test; Part 22: Det
12、ermination of resistance to thermal shock of coatings for fabricated sheet steel components such as burners and pan supports for cookers. Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 24 06:21:13 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 1344-9:1998 BSI 04-1999iii A list of organizations r
13、epresented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Corresp
14、ondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not
15、of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i to iv, the ISO title page, page ii, pages 1 to 4 and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. Th
16、is will be indicated in the amendment table on the inside front cover. Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 24 06:21:13 GMT+00:00 2006, Uncontrolled Copy, (c) BSI iv blank Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 24 06:21:13 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Licens
17、ed Copy: sheffieldun sheffieldun, na, Fri Nov 24 06:21:13 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 1344-9:1998 ii BSI 04-1999 Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing Inter
18、national 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 wit
19、h ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an
20、 International Standard requires approval by at least 75 % of the member bodies casting a vote. International Standard ISO 2744 was prepared by Technical Committee ISO/TC 107, Metallic and other inorganic coatings, Subcommittee SC 6, Vitreous and porcelain enamels. This third edition cancels and rep
21、laces the second edition (ISO 2744:1983), which has been technically revised. Annex A of this International Standard is for information only. Descriptors: Non-metallic coatings, protective coatings, enamels, vitreous enamels, porcelain enamels, tests, chemical tests, boiling water, water vapour, wat
22、er resistance tests, high temperature tests. Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 24 06:21:13 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 1344-9:1998 BSI 04-19991 1 Scope This International Standard specifies a method of test for determining the resistance of flat surfaces of vitreo
23、us and porcelain enamels to pure boiling water and/or water vapour (see note 1). This International Standard is also suitable for determining the resistance of vitreous and porcelain enamels to any other water for example to drinking water and river water. The method is also applicable to determinat
24、ion of the resistance of enamels to the liquid and vapour phases of the corrosive medium. NOTE 1If temperatures below the boiling point of water are used this should be stated in the test report. NOTE 2The resistance of vitreous and porcelain enamel to water generally depends on the pH value and of
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