1、BSI Standards PublicationBS ISO 19861:2015Buildings and civil engineeringworks Sealants Determination of curingbehaviourBS ISO 19861:2015 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of ISO 19861:2015.The UK participation in its preparation was entrusted to Technic
2、al Committee B/547, Sealants for building and construction.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The
3、 British Standards Institution 2015.Published by BSI Standards Limited 2015ISBN 978 0 580 88088 9 ICS 91.100.50 Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 3
4、0 November 2015.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e d ISO 2015Buildings and civil engineering works Sealants Determination of curing behaviourBtiments et ouvrages de gnie civil Mastics Dtermination du comportement de durcissementINTERNATIONAL STANDARDISO19861Firs
5、t edition2015-11-01Reference numberISO 19861:2015(E)ISO 19861:2015(E)ii ISO 2015 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO 2015, Published in SwitzerlandAll rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by an
6、y means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISOs member body in the country of the requester.ISO copyright officeCh. de Blandonnet 8 CP 401C
7、H-1214 Vernier, Geneva, SwitzerlandTel. +41 22 749 01 11Fax +41 22 749 09 47copyrightiso.orgwww.iso.orgBS ISO 19861:2015ISO 19861:2015(E)Foreword iv1 Scope . 12 Normative references 13 Terms and definitions . 14 Principle 15 Test materials 15.1 One part sealants 15.2 Multi component sealants . 16 Pr
8、eparation of test specimens 26.1 General . 26.2 One part sealants 26.3 Multi component sealants . 27 Conditioning of test specimens . 28 Test procedure 28.1 One part sealants 28.2 Multi component sealants . 29 Expression of results 39.1 One part sealants 39.2 Multi component sealants . 310 Test repo
9、rt . 3 ISO 2015 All rights reserved iiiContents PageBS ISO 19861:2015ISO 19861:2015(E)ForewordISO (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 thr
10、ough 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. ISO collabo
11、rates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different approval
12、criteria needed for the different types of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).Attention is drawn to the possibility that some of the elements of this document may be the subjec
13、t of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www.iso.org/patents).Any trade n
14、ame used in this document is information given for the convenience of users and does not constitute an endorsement.For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the WTO principles in the Techni
15、cal Barriers to Trade (TBT) see the following URL: Foreword - Supplementary informationThe committee responsible for this document is ISO/TC 59, Buildings and civil engineering works, Subcommittee SC 8, Sealants.iv ISO 2015 All rights reservedBS ISO 19861:2015INTERNATIONAL STANDARD ISO 19861:2015(E)
16、Buildings and civil engineering works Sealants Determination of curing behaviour1 ScopeThis International Standard specifies a method for the determination of the curing behaviour of sealants used in joints in building construction.2 Normative referencesThe following documents, in whole or in part,
17、are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO 868, Plastics and ebonite Determination of indenta
18、tion hardness by means of a durometer (Shore hardness)ISO 6927, Buildings and civil engineering works Sealants Vocabulary3 Terms and definitionsFor the purposes of this document, the terms and definitions given in ISO 6927 apply.4 PrincipleTest specimens are prepared such that the sealant to be will
19、 be subjected to a curing environment. A one part sealant has the time recorded when its cure in depth reaches 2 mm. A multi component sealant has the time recorded to reach 33 % of its ultimate hardness.5 Test materials5.1 One part sealants5.1.1 Plastic or metal cylindrical cups, 35 mm - 75 mm inte
20、rnal diameter, 35 mm 50 mm deep, wall thickness 1 mm 3 mm.5.1.2 Measuring device, scaled to 0,5 mm.5.2 Multi component sealants5.2.1 Draw down device, capable of producing a 6 mm minimum constant thickness of the sealant.5.2.2 Indentation hardness measurement device, capable of measurements on the A
21、 scale.Extremely soft sealants that measure less than 5 on the A scale should be measured on the 00 scale. ISO 2015 All rights reserved 1BS ISO 19861:2015ISO 19861:2015(E)6 Preparation of test specimens6.1 GeneralThe sealant and test materials shall be brought to (23 2) C over 24 h.6.2 One part seal
22、ants6.2.1 Fifteen test specimens shall be prepared. For each specimen the cup shall be filled with the sealant and tooled flat.6.2.2 The following precautions shall be taken:a) the formation of air bubbles shall be avoided;b) the sealant shall be pressed on the inner surfaces of the substrates;c) th
23、e sealant surface shall be tooled so that it is flush with the top of the open cup.6.3 Multi component sealants6.3.1 A tooled slab of sealant 6 mm minimum thick, 50 mm wide and 300 mm long on a flat non-absorbing surface is required.6.3.2 The instructions of the sealant manufacturer concerning the m
24、ixing procedure for multi-component sealants shall be followed.7 Conditioning of test specimensThe test specimens shall be extruded, tooled and cured at a temperature of (23 2) C and relative humidity (RH) of (50 10) %.8 Test procedure8.1 One part sealantsThe cured skin on top of three cups shall be
25、 removed at the following intervals, 16 h, 24 h, 48 h, 72 h, 96 h and 168 h. The cured skin is wiped of uncured sealant. The thickness of each specimen shall be measured and recorded.8.2 Multi component sealantsThe measurement of hardness is performed according to ISO 868. The sealant shall be extru
26、ded onto a flat surface and tooled to 6 mm minimum thickness. The hardness of the air side extruded cured slab of sealant shall be measured three times at the following intervals: Once prior to and twice after the manufacturer recommended cure time for 33 % ultimate hardness at (23 2) C and (50 10)%
27、 RH (hardness at 28 days cure). One measurement shall be made 4 h to 8 h prior to the predicted time, one measurement shall be made at the predicted time, and two final measurements shall be taken, rather evenly spaced, over the subsequent 24 h. The test may cease when two subsequent hardness readin
28、gs are within 3 % of final hardness (generally published on manufacturers literature).2 ISO 2015 All rights reservedBS ISO 19861:2015ISO 19861:2015(E)9 Expression of results9.1 One part sealantsThe raw data and the average of thickness at each time shall be plotted and the time to achieve 2 mm of cu
29、re in depth shall be determined through linear interpolation of the two closest data points.9.2 Multi component sealantsThe raw data and the average hardness of the extruded cured slab of sealant at each time shall be plotted. The time to reach 33 % of the sealants hardness at 28 days shall be deter
30、mined through linear interpolation of the two closest data points.The lab is not discouraged from taking additional data points to draw a more accurate curve in lieu of the linear interpolations suggested in this method. Additional data taken should be included in the report. Non-linear cure materia
31、ls may not be able to be tested 4 h to 8 h before the predicted time of 33 % hardness due to their fast cure and should be tested appropriately.10 Test reportThe test report shall include the following information:a) the name of the test laboratory;b) the date of the test and test number;c) the refe
32、rence to this International Standard, i.e. ISO 19861;d) the name of the sealant, the type (chemical family), and colour;e) the batch of sealant from which the test specimens were produced;f) the type of sealant one part or multi component;g) the cure in depth at 16 h, 24 h, 48 h, 72 h, 96 h and 168
33、h for one part sealants;h) the time to reach 2 mm of cure in depth, for one part sealants;i) the hardness at the intervals chosen in 8.2 for multi component sealants;j) the time to reach 33 %, of the ultimate hardness (hardness at 28 days cure) and the scale of hardness used for multicomponent seala
34、nts;k) any deviations from this International Standard. ISO 2015 All rights reserved 3BS ISO 19861:2015ISO 19861:2015(E) ISO 2015 All rights reservedICS 91.100.50Price based on 3 pagesBS ISO 19861:2015This page deliberately left blankBSI is the national body responsible for preparing British Standar
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