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1、BRITISH STANDARD BS ISO 2837:1996 Incorporating Corrigendum No. 1 Graphic technology Prints and printing inks Assessment of resistance to solvents ICS 87.080 ? Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 08:33:46 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS ISO 2837:1996 This British Sta
2、ndard, 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 December 1996 BSI 27 February 2003 The following BSI references relate to the work on this standard: Committee referen
3、ce PAI/43 Draft for comment 94/304398 DC ISBN 0 580 26821 7 Committees responsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee PAI/43, Graphic technology, upon which the following bodies were represented: British Coatings Federation Ltd. Br
4、itish Printing Industries Federation Metal Packaging Manufacturers Association Amendments issued since publication Amd. No.DateComments 14348 Corrigendum No. 1 27 February 2003Addition of supersession details to national foreword Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 08:33:46 GMT+00
5、:00 2006, Uncontrolled Copy, (c) BSI BS ISO 2837:1996 BSI 27 February 2003 i Contents Page Committees responsible Inside front cover National foreword ii Forewordii Introduction1 1Scope1 2Normative reference1 3Test methods1 4Test report2 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 08:33:4
6、6 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS ISO 2837:1996 ii BSI 27 February 2003 National foreword This British Standard reproduces verbatim ISO 2837:1996 and implements it as the UK national standard. Together with BS ISO 2834:1999, BS ISO 2836:1999 and BS ISO 12040:1997, this British Standard
7、 supersedes BS 4321:1969 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee PAI/43, Graphic technology to which has the responsibility to: aid enquirers to understand the text; present to the responsible international committee any enquiries on interpret
8、ation, or proposals for change, and keep UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on request to its secretary. NOTEInternational and European Standards, as well
9、as overseas standards, are available from Customer Services, BSI, 389 Chiswick High Road, London W4 4AL. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “Internatio
10、nal 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 of a contract. Users are responsible for its correct application. Compliance with a British
11、 Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, the ISO title page, page ii, pages 1 and 2, an inside back cover and a back cover. This standard has been updated (see copyright date) a
12、nd may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 08:33:46 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 08:33:46 GMT+00:00 2006,
13、 Uncontrolled Copy, (c) BSI BS ISO 2837:1996 ii BSI 27 February 2003 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 carried out through ISO technic
14、al 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. ISO collaborates closely wi
15、th 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 International Standard requires approval by at least 75% of t
16、he member bodies casting a vote. International Standard ISO 2837 was prepared by Technical Committee ISO/TC 130, Graphic technology. This second edition cancels and replaces the first edition (ISO 2837:1974), of which it constitutes a technical revision. Licensed Copy: sheffieldun sheffieldun, na, M
17、on Nov 27 08:33:46 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS ISO 2837:1996 BSI 27 February 2003 1 Introduction This International Standard was originally in technical conformity with CEI specifications 04-61 of the European Committee of Paint, Printing Ink and Artists Colours Manufacturers Assoc
18、iations. The solvent mixture to be applied for the test has been changed for environmental reasons. 1 Scope This International Standard specifies a method of assessing the resistance of prints and printing inks to solvents. It applies to all printing substrates such as paper, board, metals (thin met
19、al sheet and plate) and plastic materials and to all printing processes, for example: lithographic, gravure, letterpress and flexo. It does not apply to the assessment of the resistance of prints to varnishes from the method put forward in this International Standard since these may contain other so
20、lvents. For this purpose, the varnish itself shall be applied for the test. 2 Normative reference The following standard contains provisions which, through reference in this text, constitute provisions of this International Standard. At the time of publication, the edition indicated was valid. All s
21、tandards are subject to revision, and parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most recent edition of the standard indicated below. Members of IEC and ISO maintain registers of currently valid International Standards. IS
22、O 2834:1), Printing inks Preparation of standardized prints for determination of resistance to physical and chemical agents. 3 Test methods 3.1 Testing of prints This subclause concerns production prints only. 3.1.1 Principle A test piece cut from the print is immersed in the prescribed solvent for
23、a given time. The colour change of the solvent, the discoloration and any change of the test piece are noted. 3.1.2 Apparatus and reagents 3.1.2.1 Test tube of thin colourless glass, with an inside diameter of approximately 16 mm and a height of approximately 160 mm. 3.1.2.2 Solvents Use denaturated
24、 ethanol or the following mixture: 60 % by volume denaturated ethanol; 30 % by volume ethyl acetate; 10 % by volume 1-methoxy-propanol-2; or any other solvent provided that it is stated in the test report. 1)To be published. (Revision of ISO 2834:1981) Licensed Copy: sheffieldun sheffieldun, na, Mon
25、 Nov 27 08:33:46 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS ISO 2837:1996 2 BSI 27 February 2003 3.1.3 Test procedure Fill the test tube half way with the chosen solvent and submerge the test piece with an area of 6 cm2 into the solvent. The test temperature shall be (23 2) ?C? After 5 min, remov
26、e the test piece and note whether the solvent has changed colour. For this purpose, compare the test tube to a second test tube containing only the solvent, both test tubes placed in front of a white surface and illuminated from the side. Dry the test piece for 10 min in an oven at approximately 40
27、?C. 3.1.4 Evaluation of results Compare the dried test piece to an untreated test piece. Note whether the solvent has caused a discoloration of the test piece. Note whether the ink film is completely intact and if its adhesion is maintained. Note whether the solvent has changed colour. 3.2 Testing o
28、f inks Inks shall be tested by first preparing standardized prints as specified in ISO 2834. The standard prints shall then be tested and evaluated as specified in 3.1 of this International Standard. If only a limited solvent resistance is required from the ink, the duration of the test shall not ex
29、ceed 5 s. 4 Test report The test report shall include the following information: a) reference to this International Standard; b) solvent used for the test; c) alterations observed, i.e. changes of the colour of the print and all changes attributed to the substrate; d) whether the solvent has changed
30、 colour or not; e) duration of the test if it differs from the specified 5 min (see 3.2, second paragraph). Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 08:33:46 GMT+00:00 2006, Uncontrolled Copy, (c) BSI blank Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 08:33:46 GMT+00:00 2006,
31、 Uncontrolled Copy, (c) BSI BS ISO 2837:1996 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the international level. It is incorporated
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