AS NZS 3750.1-2008 Paints for steel structures Part 1 Epoxy mastic (two-pack)—For rusted steel.pdf
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1、 AS/NZS 3750.1:2008 Australian/New Zealand Standard Paints for steel structures Part 1: Epoxy mastic (two-pack)For rusted steel AS/NZS 3750.1:2008 AS/NZS 3750.1:2008 This Joint Australian/New Zealand Standard was prepared by Joint Technical Committee CH-003, Paints and Related Materials. It was appr
2、oved on behalf of the Council of Standards Australia on 19 March 2007 and on behalf of the Council of Standards New Zealand on 3 March 2007. This Standard was published on 19 May 2008. The following are represented on Committee CH-003: AUSTROADS Australasian Corrosion Association Australian Paint Ap
3、proval Scheme Australian Paint Manufacturers Federation Australian Pipeline Industry Association Business New Zealand Engineers Australia Institution of Professional Engineers New Zealand Master Painters Australia Master Painters New Zealand Association National Association of Testing Authorities Au
4、stralia Water Corporation Western Australia Keeping Standards up-to-date Standards are living documents which reflect progress in science, technology and systems. To maintain their currency, all Standards are periodically reviewed, and new editions are published. Between editions, amendments may be
5、issued. Standards may also be withdrawn. It is important that readers assure themselves they are using a current Standard, which should include any amendments which may have been published since the Standard was purchased. Detailed information about joint Australian/New Zealand Standards can be foun
6、d by visiting the Standards Web Shop at .au or Standards New Zealand web site at www.standards.co.nz and looking up the relevant Standard in the on-line catalogue. Alternatively, both organizations publish an annual printed Catalogue with full details of all current Standards. For more frequent list
7、ings or notification of revisions, amendments and withdrawals, Standards Australia and Standards New Zealand offer a number of update options. For information about these services, users should contact their respective national Standards organization. We also welcome suggestions for improvement in o
8、ur Standards, and especially encourage readers to notify us immediately of any apparent inaccuracies or ambiguities. Please address your comments to the Chief Executive of either Standards Australia or Standards New Zealand at the address shown on the back cover. This Standard was issued in draft fo
9、rm for comment as DR 04186. The Standard is downloaded from Standard Sharing AS/NZS 3750.1:2008 Australian/New Zealand Standard Paints for steel structures Part 1: Epoxy mastic (two-pack)For rusted steel COPYRIGHT Standards Australia/Standards New Zealand All rights are reserved. No part of this wo
10、rk may be reproduced or copied in any form or by any means, electronic or mechanical, including photocopying, without the written permission of the publisher. Jointly published by Standards Australia, GPO Box 476, Sydney, NSW 2001 and Standards New Zealand, Private Bag 2439, Wellington 6020 ISBN 0 7
11、337 8659 6 Originated as AS 3750.11994. Revised and redesignated AS/NZS 3750.1:2008. AS/NZS 3750.1:2008 2 PREFACE This Standard was prepared by the Joint Standards Australia/Standards New Zealand Committee CH-003, Paints and Related Materials to supersede AS 3750.11994. It forms part of a series of
12、product Standards for paint systems referred to in AS/NZS 2312, Guide to the protection of structural steel against atmospheric corrosion by the use of protective coatings. See AS/NZS 3750.0 for other published Standards in this series. The terms normative and informative have been used in this Stan
13、dard to define the application of the appendix to which they apply. A normative appendix is an integral part of a Standard, whereas an informative appendix is only for information and guidance. The Standard is downloaded from Standard Sharing 3 AS/NZS 3750.1:2008 CONTENTS Page SECTION 1 SCOPE AND G
14、ENERAL 1.1 SCOPE 4 1.2 REFERENCED DOCUMENTS 4 1.3 DEFINITIONS 4 1.4 SAFETY PRECAUTIONS4 SECTION 2 MATERIALS REQUIREMENTS 2.1 GENERAL 5 2.2 CONDITIONS OF TEST.5 2.3 LIQUID PAINT.5 2.4 SPRAY APPLICATION PROPERTIES5 2.5 APPLIED FILM 6 2.6 MIXING RATIO .7 2.7 ADDITIONAL TESTS8 SECTION 3 PACKAGING AND LA
15、BELLING 3.1 PACKAGING9 3.2 LABELLING.9 APPENDICES A PURCHASING GUIDELINES 10 B GUIDANCE ON THE USE AND APPLICATION OF EPOXY MASTIC PAINT. 11 C REFERENCED DOCUMENTS 14 D PREPARATION OF TEST PANELS 16 E DETERMINATION OF THE CURING PROPERTIES OF AN EPOXY MASTIC 17 F ASSESSMENT OF RESISTANCE OF AN EPOXY
16、 MASTIC TO WATER 19 G ASSESSMENT OF RESISTANCE OF AN EPOXY MASTIC TO MINERAL OIL. 21 H ASSESSMENT OF RESISTANCE OF AN EPOXY MASTIC TO ALKALI AND ACID 23 I PROCEDURE FOR TESTING DURABILITY OF AN EPOXY MASTIC. 25 J ADDITIONAL TESTS 27 AS/NZS 3750.1:2008 4 COPYRIGHT STANDARDS AUSTRALIA/STANDARDS NEW ZE
17、ALAND Australian/New Zealand Standard Paints for steel structures Part 1: Epoxy mastic (two-pack)For rusted steel S E C T I O N 1 S C O P E A N D G E N E R A L 1.1 SCOPE This Standard specifies requirements for a two-component, high-build, high-solids, epoxy mastic for the protection of iron and ste
18、el against exterior atmospheric corrosion in a severe industrial or coastal marine environment. It is intended primarily for use on imperfectly prepared surfaces, i.e., surfaces where residual rust and some previously applied paint of any type are still present. These coatings are also suitable for
19、applications over blast cleaned surfaces where extended service life may be achieved. Paint specified in this Standard is described in AS/NZS 2312 as Paint Reference C32. Commonly known as surface tolerant epoxy, this product may be pigmented with aluminium or micaceous iron oxide. It may also be pr
20、oduced in a limited range of colours and is designed primarily for use as a single coat, high-build, self priming finish. NOTES: 1 This paint may be used as detailed for systems EPMI and EPM2 in AS/NZS 2312. 2 Appendix A contains recommendations and advice on information which should be provided by
21、the purchaser at the time of enquiry or order. 3 Additional information on the use and application of epoxy paints is contained in Appendix B. 1.2 REFERENCED DOCUMENTS A list of the documents referred to in this Standard is contained in Appendix C. 1.3 DEFINITIONS For the purpose of this Standard, t
22、he definitions given in AS/NZS 2310 and those below apply. 1.3.1 Epoxy mastic A high-build paint consisting essentially of epoxy resin base, polyamide or amine adduct or other hardener, together with various agents to improve wetting, adhesion and flexibility, with appropriate pigments and solvents
23、mixed together in the proportions recommended by the manufacturer. NOTE: Anti-settling and anti-sag agents may be necessary to provide high-build and prevent sagging during application. 1.4 SAFETY PRECAUTIONS Health and safety aspects referenced in Section 13 of AS/NZS 2312 should be followed in con
24、junction with the manufacturers safety data sheets (MSDSs). The Standard is downloaded from Standard Sharing 5 AS/NZS 3750.1:2008 COPYRIGHT S E C T I O N 2 M A T E R I A L S R E Q U I R E M E N T S 2.1 GENERAL The paint shall comply with the requirements detailed in Clauses 2.3 to 2.5 inclusive. Th
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