BS EN 15466-2-2009 Primers for cold and hot applied joint sealants - Part 2 Determination of resistance against alkali《冷施和热施填缝料的引物 第2部分 耐碱性的测定》.pdf

1、BS EN15466-2:2009ICS 93.080.20NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDPrimers for cold andhot applied jointsealantsPart 2: Determination of resistanceagainst alkaliThis British Standardwas published under theauthority of the StandardsPolicy and StrategyC

2、ommittee on 31 July 2009 BSI 2009ISBN 978 0 580 65678 1Amendments/corrigenda issued since publicationDate CommentsBS EN 15466-2:2009National forewordThis British Standard is the UK implementation of EN 15466-2:2009.The UK participation in its preparation was entrusted to TechnicalCommittee B/510/3,

3、Materials for concrete roads.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisionsof a contract. Users are responsible for its correct application.Compliance with a British Standard c

4、annot confer immunityfrom legal obligations.BS EN 15466-2:2009EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 15466-2July 2009ICS 93.080.20English VersionPrimers for cold and hot applied joint sealants - Part 2:Determination of resistance against alkaliPrimaires pour produits de scellement de join

5、ts appliqus froid et chaud - Partie 2: Dtermination de la rsistanceaux produits alcalinsVoranstriche fr kalt und hei verarbeitbare Fugenmassen -Teil 2: Bestimmung der AlkalibestndigkeitThis European Standard was approved by CEN on 6 June 2009.CEN members are bound to comply with the CEN/CENELEC Inte

6、rnal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the CEN Management Centre or to any CEN membe

7、r.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as theofficial versions.CEN members ar

8、e the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerl

9、and and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: Avenue Marnix 17, B-1000 Brussels 2009 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 15466-

10、2:2009: EBS EN 15466-2:2009EN 15466-2:2009 (E) 2 Contents Page Foreword 31 Scope 42 Normative references 43 Terms and definitions .44 Principle 45 Apparatus .46 Procedure .56.1 Conditioning of primer and glass plates .56.2 Painting of the glass plates 56.3 Immersing of the glass plates 56.4 Tests on

11、 the solution in glass beaker with immersed glass plates .56.5 Tests on the immersed glass plates in wet condition .56.6 Tests on the immersed glass plates in dry condition 67 Expression of results 68 Test report 6Bibliography 7BS EN 15466-2:2009EN 15466-2:2009 (E) 3 Foreword This document (EN 15466

12、-2:2009) has been prepared by Technical Committee CEN/TC 227 “Road Materials”, the secretariat of which is held by DIN. 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 January 2010, and conflictin

13、g national standards shall be withdrawn at the latest by January 2010. Attention is drawn to the possibility 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 European S

14、tandard is one of a series of standards as listed below: EN 15466-1, Primers for cold and hot applied joint sealants Part 1: Determination of homogeneity EN 15466-2, Primers for cold and hot applied joint sealants Part 2: Determination of resistance against alkali EN 15466-3, Primers for cold and ho

15、t applied joint sealants Part 3: Determination of solids content and evaporation behaviour of volatiles. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cypru

16、s, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 15466-2:2009EN 15466-2:2009 (E)

17、4 1 Scope This European Standard describes a method for determining the resistance against alkali of primers for cold and hot applied joint sealants. 2 Normative references The following referenced documents are indispensable for the application of this European Standard. For dated references, only

18、the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 14188-4:2009, Joint fillers and sealants Part 4: Specifications for primers to be used with joint sealants EN 15466-3, Primers for cold and hot applied joint sealan

19、ts Part 3: Determination of solids content and evaporation behaviour of volatiles 3 Terms and definitions For the purposes of this European Standard, the terms and definitions given in EN 14188-4:2009 and the following apply. 3.1 standard atmosphere standard atmosphere 23/50, class 2 (see EN ISO 291

20、) 3.2 resistance against alkali resistance against alkali of a primer defined by the behaviour of the primer painted on a glass surface to insolubility, no changes in hardness and no peelings during immersion in an alkali solution 4 Principle Two glass plates, each with one side painted with the pri

21、mer, are immersed, one in a glass beaker filled with water and the other one in a glass beaker filled with a solution of potassium hydroxide in water. After conditioning in a test enclosure or conditioning room at standard atmosphere for 24 hours record any changes in the condition of the test liqui

22、ds and the painted glass plates. 5 Apparatus 5.1 Clear glass beaker, diameter approximately 120 mm, height approximately 200 mm, with an upper flat rim, no spout, and with a glass cover. 5.2 Glass plates, without scratches, dimensions approximately 90 mm 120 mm. 5.3 Preparation needle, (e. g. penetr

23、ation needle). 5.4 Paint brush 5.5 Water, distilled or totally deionised. 5.6 Solution of potassium hydroxide in water, 0,5 % by mass/volume, freshly prepared. BS EN 15466-2:2009EN 15466-2:2009 (E) 5 NOTE Note-0,5% by mass/volume means 5 g of potassium hydroxide in 1000 ml solution. 5.7 Round rod, d

24、iameter (10 2) mm, length (600 100) mm. 6 Procedure 6.1 Conditioning of primer and glass plates The primer shall be homogenized by shaking the container or by stirring with a suitable rod. The primer shall be conditioned in a test enclosure or conditioning room at Standard atmosphere for at least 24

25、 hours. The glass plates shall be cleaned, totally degreased, dried and conditioned at Standard atmosphere for at least 1 hour. 6.2 Painting of the glass plates One side of each of the two glass plates shall be painted all over with the primer so that it is uniformly distributed. Store the painted g

26、lass plates for a duration recommended by the manufacturer in a test enclosure or conditioning room at standard atmosphere. The quantity of the primer on a glass plate is calculated on the base of the solids content in accordance with EN 15466-3, that the amount of the painting in the dried conditio

27、n shall be between 15 g/m and 20 g/m. 6.3 Immersing of the glass plates One glass beaker shall be filled with water to a depth of 80 mm and the other glass beaker shall be filled with the solution of potassium hydroxide to a depth of 80 mm. In each glass beaker one painted glass plate shall be place

28、d vertically. Each glass beaker shall be covered with a glass cover. The glass beakers shall be allowed to stand for 24 h 15 min in a test enclosure or conditioning room at standard atmosphere. 6.4 Tests on the solution in glass beaker with immersed glass plates The following criteria shall be inspe

29、cted and reported: a) changes in colour and turbidity in both test liquids; b) presence of deposits on the bottom of both glass beakers. 6.5 Tests on the immersed glass plates in wet condition The glass plates shall be taken out of the glass beakers. The painting on each glass plate shall be immedia

30、tely scratched by pulling the preparation needle over the whole length of the glass plates. The following criteria shall be inspected and reported: a) presence of cloudiness and bubbles in both paintings; b) presence of peelings of the painting along the scratched line; c) apparent difference in the

31、 hardness of the paintings between the immersed and not-immersed parts of the glass plates; d) apparent difference in the hardness of the paintings between the immersed parts of both test liquids. BS EN 15466-2:2009EN 15466-2:2009 (E) 6 6.6 Tests on the immersed glass plates in dry condition After t

32、esting to 6.5, the glass plates shall be washed in water and allowed to dry for 5 h 15 min in a test enclosure or conditioning room at standard atmosphere. The painting on each glass plate shall be immediately scratched by pulling the preparation needle over the whole length of the glass plates. The

33、 following criteria shall be inspected and reported: a) presence of cloudiness and bubbles in both paintings; b) presence of peelings of the painting along the scratched line; c) apparent difference in the hardness of the paintings between the immersed and not-immersed parts of the glass plates; d)

34、apparent difference in the hardness of the paintings between the immersed parts of both test liquids. 7 Expression of results Report the primer as resistant against alkali, if all of the following criteria are fulfilled: a) the solution of potassium hydroxide has no changes in colour and turbidity a

35、nd no presence of deposits on the bottom of the glass beaker; b) the painting in wet condition has no presence of cloudiness and bubbles; c) the painting in wet condition has no apparent difference in the hardness of the paintings between the immersed parts of the two glass plates; d) the painting i

36、n dry condition has no peelings along the scratched line; e) the painting in dry condition has no apparent difference in the hardness between the immersed and not-immersed parts of the glass plates. 8 Test report The test report shall confirm that the test was carried out in accordance with this Eur

37、opean Standard and shall include the following information: a) product name and type; b) source of sample, batch number, date of manufacture and use by date; c) date of testing; d) test results; e) name of analyst and test laboratory. BS EN 15466-2:2009EN 15466-2:2009 (E) 7 Bibliography 1 EN ISO 291

38、, Plastics - Standard atmospheres for conditioning and testing (ISO 291:2008) BS EN15466-2:2009BSI GroupHeadquarters 389Chiswick High Road,London, W4 4AL, UKTel +44 (0)20 8996 9001Fax +44 (0)20 8996 - British Standards InstitutionBSI is the independent national body responsible for preparing Britis

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