1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN ISO 8394-1:2010Building construction Jointing productsPart 1: Determination of extrudability ofsealantsBS EN ISO 8394-1:2010 BRITISH STANDARDNational forewordThis British S
2、tandard is the UK implementation of EN ISO8394-1:2010. Together with BS EN ISO 8394-2:2010, it supersedes BSEN 28394:1991 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee B/547, Sealants for building and construction.A list of organizations represented o
3、n this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. BSI 2010ISBN 978 0 580 59923 1ICS 91.100.50Compliance with a British Standard cannot confer immunity f
4、romlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 30 November 2010.Amendments issued since publicationDate Text affectedEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 8394-1 October 2010 ICS 91.100.50 Supersedes EN
5、 28394:1990English Version Building construction - Jointing products - Part 1: Determination of extrudability of sealants (ISO 8394-1:2010) Construction immobilire - Produits pour joints - Partie 1: Dtermination de lextrudabilit des mastics (ISO 8394-1:2010) Hochbau - Fugendichtstoffe - Teil 1: Best
6、immung der Verarbeitsbarkeit von Dichtstoffen (ISO 8394-1:2010) This European Standard was approved by CEN on 30 September 2010. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standar
7、d without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other la
8、nguage made by translation under the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Est
9、onia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUR
10、OPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2010 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 8394-1:2010: EBS EN ISO 8394-1:2010EN ISO 8394-1:2010 (E) 3 Foreword The text of ISO 8394-1:2
11、010 has been prepared by Technical Committee ISO/TC 59 “Buildings and civil engineering works” of the International Organization for Standardization (ISO) and has been taken over as EN ISO 8394-1:2010 by Technical Committee CEN/TC 349 “Sealants for joints in building construction” the secretariat of
12、 which is held by AFNOR. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by April 2011, and conflicting national standards shall be withdrawn at the latest by April 2011. Attention is drawn to the po
13、ssibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 28394:1990. According to the CEN/CENELEC Internal Regulations, the national standards
14、organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland
15、, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Endorsement notice The text of ISO 8394-1:2010 has been approved by CEN as a EN ISO 8394-1:2010 without any modification. BS EN ISO 8394-1:2010ISO 8394-1:2010(E) ISO 2010 All rights reserved iiiForeword ISO (
16、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 technical committees. Each member body interested in a subject for which a technical commi
17、ttee 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 with the International Electrotechnical Commission (IEC) on all matters of electrotec
18、hnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the membe
19、r bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifyin
20、g any or all such patent rights. ISO 8394-1 was prepared by Technical Committee ISO/TC 59, Building construction, Subcommittee SC 8, Jointing products. ISO 8394 consists of the following parts, under the general title Building construction Jointing products Part 1: Determination of extrudability of
21、sealants Part 2: Determination of extrudability of sealants using standardized apparatus This first edition of ISO 8394-1, together with ISO 8394-2, cancels and replaces ISO 8394:1988, which has been technically revised. BS EN ISO 8394-1:2010BS EN ISO 8394-1:2010INTERNATIONAL STANDARD ISO 8394-1:201
22、0(E) ISO 2010 All rights reserved 1Building construction Jointing products Part 1: Determination of extrudability of sealants 1 Scope This part of ISO 8394 specifies a method for determining the extrudability of sealants. The method is for use in testing the extrudability of a sealant. It is not app
23、licable to the classification of sealants. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amen
24、dments) applies. ISO 6927, Building construction Jointing products Sealants Vocabulary 3 Terms and definitions For the purposes of this document, the terms and definitions given in ISO 6927 apply. 4 Principle A sealant is extruded from its package, under defined conditions. The mass of the extruded
25、sealant is determined. This part of ISO 8394 indicates reference test conditions, such as temperature, pressure, extrusion time, geometry of nozzle. Deviation from these conditions is possible. Deviation modifies the final result; therefore, any deviation shall be described in the test report. The c
26、omparison of results is possible, only if all the test conditions are the same. 5 Apparatus 5.1 Enclosure, regulated to (5 2) C, (23 2) C, (35 2) C or a temperature agreed on by the parties concerned. 5.2 Nozzle, as specified in this subclause, shall be used in conjunction with the package. The dime
27、nsions and nature of the nozzle shall be determined by the parties concerned. BS EN ISO 8394-1:2010ISO 8394-1:2010(E) 2 ISO 2010 All rights reservedThe nozzle shall be either metallic (see Figures 1 and 2 for the dimensions of two different metallic nozzles), or plastic. The plastic nozzle shall be
28、cut at internal diameter of between 3 mm and 6 mm. The default internal diameter shall be 6 mm. Acceptable tolerances of the internal diameter shall be 5 %. 5.3 Pneumatically operated extrusion gun, supplied with compressed air up to 700 kPa. 5.4 Stopwatch, accurate to 0,1 s. 5.5 Balance, accurate t
29、o 0,1 g. 6 General For each tested sealant, perform three extrusion tests. For each extrusion test, use one package. Perform the three measurements under the same conditions (same batch number, temperature, nozzle and diameter, same pressure, etc.). 7 Conditioning Condition the three packages contai
30、ning the tested sealant, at the testing temperature in the regulated enclosure (5.1) for a minimum of 12 h, before testing. The default conditioning temperature is (23 2) C. This conditioning temperature may be at (5 2) C, (23 2) C or (35 2) C, or a temperature agreed on by the parties concerned. 8
31、Test procedure The measurements may be carried out at usual laboratory room temperature. All the following operations shall be carried out within 5 min. Prepare the packages, removing all elements which can prevent the extrusion of the sealant during testing (i.e. screw, setting, internal membrane b
32、etween the nozzle and the cartridge). Attach the nozzle (5.2), at the end of the package. This test of extrudability may be also performed with any other metallic or plastic nozzles, as agreed on by the parties concerned. Insert the package in the pneumatic gun (5.3). Extrude sufficient sealant to r
33、emove the air from the nozzle. Set the air pressure of the compressor to (300 10) kPa, or a pressure agreed on by the parties concerned. Extrude the sealant out of the package for 30 s. Measure this time with the stopwatch (5.4). Do not take into account the quantity of sealant coming out of the noz
34、zle after the end of test time. The package shall not be empty after testing. BS EN ISO 8394-1:2010ISO 8394-1:2010(E) ISO 2010 All rights reserved 3NOTE In the case of a low viscosity sealant, the extrusion time can be lower. In the case of a high viscosity sealant, the extrusion time can be higher.
35、 After the pneumatic extrusion, weigh the quantity of extruded sealant, with the balance (5.5). 9 Expression of results 9.1 Extrusion rate, expressed as mass per minute The result of each measurement, expressed in grams of extruded sealant per minute, is rounded to the nearest gram, using Equation (
36、1): m60mEt= (1) where Emis the extrusion rate of the sealant, expressed in grams per minute; m is the mass of the extruded sealant, expressed in grams; t is the time of extrusion, expressed in seconds. Calculate the mean value of the three measurements, rounded to the nearest gram per minute. 9.2 Ex
37、trusion rate, expressed as volume per minute If needed, the result can be expressed in millilitres of extruded sealant per minute, rounded to the nearest millilitre, using Equation (2): mvEED= (2) where Evis the extrusion rate of the sealant, expressed in millilitres per minute; Emis the extrusion r
38、ate of the sealant, expressed in grams per minute; D is the density of the sealant, expressed to 2 decimal places, at the test temperature of the sealant. Calculate the mean value of the three values of Ev, rounded to the nearest millilitre per minute. 10 Test report The test report shall contain th
39、e following information: a) a reference to this part of ISO 8394, i.e. ISO 8394-1:2010; b) the name of the test laboratory and the date of test; c) the name, type (chemical family) and colour of sealant; d) the batch number of the sealant; BS EN ISO 8394-1:2010ISO 8394-1:2010(E) 4 ISO 2010 All right
40、s reservede) the conditioning temperature; f) the extrusion pressure; g) the extrusion time; h) the type of nozzle. If another nozzle is used, the nature (plastic or metallic), the geometry, commercial reference and diameter of the nozzle shall be indicated; i) the result of each extrusion rate, in
41、grams per minute, and the mean value; j) the result of the extrusion rate, in millilitres per minute, the mean value and the density, if necessary; k) any deviation from this part of ISO 8394. Dimensions in millimetres (inches) a in NPT threads. Figure 1 First metallic nozzle scheme BS EN ISO 8394-1
42、:2010ISO 8394-1:2010(E) ISO 2010 All rights reserved 5Dimensions in millimetres aPitch of 2,5 mm. bChamfer of 0,5 mm. c316 Inox. Figure 2 Second metallic nozzle scheme This page deliberately left blankThis page deliberately left blankBSI is the independent national body responsible for preparing Bri
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