BS-ISO-27831-2-2008.pdf
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1、BS ISO 27831-2:2008 ICS 25.220.20; 25.220.40 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BRITISH STANDARD Metallic and other inorganic coatings Cleaning and preparation of metal surfaces Part 2: Non-ferrous metals and alloys Licensed CopyChinese University of Hong Kong, 11
2、/04/2009 08:53, Uncontrolled Copy, (c) BSI This British Standard was published under the authority of the Standards Policy and Strategy Committee on 28 February 2009 BSI 2009 ISBN 978 0 580 60151 4 Amendments/corrigenda issued since publication DateComments BS ISO 27831-2:2008 National foreword This
3、 British Standard is the UK implementation of ISO 27831-2:2008. The UK participation in its preparation was entrusted to Technical Committee STI/33, Electrodeposited and related coatings. A list of organizations represented on this committee can be obtained on request to its secretary. This publicat
4、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 cannot confer immunity from legal obligations. Licensed CopyChinese University of Hong Kong, 11/04/2009 08:53, Uncontrolled Copy, (c) BSI
5、BS ISO 27831-2:2008 Reference number ISO 27831-2:2008(E) ISO 2008 INTERNATIONAL STANDARD ISO 27831-2 First edition 2008-10-15 Metallic and other inorganic coatings Cleaning and preparation of metal surfaces Part 2: Non-ferrous metals and alloys Revtements mtalliques et autres revtements inorganiques
6、 Nettoyage et prparation des surfaces mtalliques Partie 2: Mtaux non ferreux et alliages Licensed CopyChinese University of Hong Kong, 11/04/2009 08:53, Uncontrolled Copy, (c) BSI BS ISO 27831-2:2008 ISO 27831-2:2008(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with
7、Adobes licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobes licensing pol
8、icy. The ISO Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every
9、care has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. COPYRIGHT PROTECTED DOCUMENT ISO 2008 All rights reserved. Unless otherwise specified,
10、 no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISOs member body in the country of the requester. ISO copyright office Case po
11、stale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO 2008 All rights reserved Licensed CopyChinese University of Hong Kong, 11/04/2009 08:53, Uncontrolled Copy, (c) BSI BS ISO 27831-2:2008 ISO 27831-2:2008(E)
12、ISO 2008 All rights reserved iii Contents Page Foreword. vii Introduction. viii 1 Scope . 1 2 Normative references. 2 3 Terms and definitions. 3 4 Essential information to be supplied by the purchaser to the processor 3 5 Requirements 4 6 Standard cleaning methods. 5 7 Non-corrosion-resisting steels
13、, cast irons and pure irons 5 8 Corrosion-resisting and heat-resisting steels. 6 9 Pretreatment of metals prior to powder coating . 6 10 Cleaning and preparation processes 6 11 Aluminium and aluminium alloys 6 11.1 General. 6 11.2 General degreasing and cleaning. 6 11.3 Removal of corrosion products
14、 6 11.4 Preparation prior to anodizing 7 11.5 Preparation prior to oxide removal treatment (process O) or filming treatment . 7 11.6 Preparation prior to adhesive bonding of unanodized items 7 11.7 Preparation prior to electroplating 7 11.8 Preparation prior to autocatalytic nickel plating. 7 11.9 P
15、reparation prior to conversion coating 7 11.10 Preparation prior to metal spraying 7 11.11 Preparation prior to vitreous enamelling . 8 11.11.1 Sheet, extrusions and items made from casting alloys 8 11.11.2 Other castings. 8 11.12 Preparation prior to supplementary treatments on physically vapour de
16、posited aluminium 8 12 Copper and copper alloys 8 12.1 General degreasing and cleaning. 8 12.2 Preparation prior to electroplating 9 12.3 Preparation prior to autocatalytic nickel plating. 9 12.4 Preparation prior to hot tinning (TRI process) 10 12.5 Preparation prior to vitreous tinning 10 13 Nicke
17、l alloys 10 13.1 General degreasing and cleaning. 10 13.2 Preparation prior to electroplating 10 13.3 Preparation prior to autocatalytic deposition 11 13.4 Preparation prior to vitreous enamelling . 11 14 Titanium and titanium alloys . 11 14.1 General degreasing and cleaning. 11 14.2 Preparation pri
18、or to electroplating 12 14.3 Preparation prior to autocatalytic nickel plating. 12 15 Magnesium alloys. 12 15.1 General degreasing and cleaning prior to electroplating and conversion coating. 12 Licensed CopyChinese University of Hong Kong, 11/04/2009 08:53, Uncontrolled Copy, (c) BSI BS ISO 27831-2
19、:2008 ISO 27831-2:2008(E) iv ISO 2008 All rights reserved 15.2 Preparation prior to electroplating12 15.3 Preparation prior to conversion coating 13 15.3.1 General.13 15.3.2 As-cast castings13 15.3.3 Machined castings14 15.3.4 Forgings.14 15.3.5 Sheets and extrusions14 16 Zinc-based alloys14 16.1 Ge
20、neral degreasing and cleaning .14 16.2 Cleaning of corroded items14 16.3 Preparation of zinc alloy die castings prior to electroplating14 16.4 Preparation of zinc alloy castings prior to chromate conversion coating or phosphate treatment14 17 Tin and its alloys.14 18 Tungsten alloys.15 18.1 Preparat
21、ion prior to electroplating15 18.2 Preparation prior to adhesive bonding.15 19 Lead and its alloys15 20 Zinc-, cadmium-, chromium- and gold-coated items.15 20.1 Preparation of zinc-coated items prior to chromate conversion coating .15 20.2 Preparation of cadmium-coated items prior to chromate conver
22、sion coating 15 20.3 Preparation of physically vapour deposited cadmium prior to supplementary treatments .15 20.4 Preparation for chromium-coated parts prior to supplementary treatments .16 20.5 Removal of surface contamination from gold coatings16 21 Pretreatment of metals prior to powder coating1
23、6 21.1 Preparation of aluminium prior to powder coating .16 21.2 Preparation of zinc and hot-dip-galvanized steel prior to powder coating.16 21.3 Preparation of copper and brass prior to powder coating .16 22 Cleaning and preparation processes16 22.1 Process A Organic-solvent degreasing and cleaning
24、17 22.1.1 General.17 22.1.2 Method A1 Hot solvent, not water-rinsable .17 22.1.3 Method A2 Cold solvent, not water-rinsable .17 22.1.4 Method A3 Hot solvent, water-rinsable 17 22.1.5 Method A4 Cold solvent, water-rinsable18 22.1.6 Method A5 Petroleum fuel based mixtures containing emulsifying agents
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- BS ISO 27831 2008
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