1、BS EN12808-1:2008ICS 83.180; 91.100.10NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDGrouts for tilesPart 1: Determination of chemicalresistance of reaction resin mortarsThis British Standardwas published underthe authority of theStandards Policy andStrategy Co
2、mmittee on 30November 2008 BSI 2008ISBN 978 0 580 63511 3Amendments/corrigenda issued since publicationDate CommentsBS EN 12808-1:2008National forewordThis British Standard is the UK implementation of EN 12808-1:2008. Itsupersedes BS EN 12808-1:1999 which is withdrawn.The UK participation in its pre
3、paration was entrusted to TechnicalCommittee B/539, Ceramic tiles and other rigid tiling.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
4、its correct application.Compliance with a British Standard cannot confer immunityfrom legal obligations.BS EN 12808-1:2008EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 12808-1October 2008ICS 83.180; 91.100.10 Supersedes EN 12808-1:1999 English VersionGrouts for tiles - Part 1: Determination of c
5、hemical resistance ofreaction resin mortarsMortiers de joints pour carrelage - Partie 1: Dterminationde la rsistance chimique des mortiers base de rsinesractivesMrtel und Klebstoffe fr Fliesen und Platten - Teil 1:Bestimmung der Chemikalienbestndigkeit vonReaktionsharzmrtelnThis European Standard wa
6、s approved by CEN on 29 August 2008.CEN members are bound to comply with the CEN/CENELEC Internal 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 nati
7、onalstandards 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 language made by translationunder the responsibility of a CEN member into its own language and not
8、ified to the CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malt
9、a, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2008 CEN All rights of exploita
10、tion in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 12808-1:2008: EBS EN 12808-1:2008EN 12808-1:2008 (E) 2 Contents Page Foreword3 1 Scope 4 2 Normative references 4 3 Sampling.4 4 Test conditions 4 5 Test materials.4 6 Apparatus .5 6.1 Mould 5 6.2 Containers 5 6
11、.3 Compression machine 5 6.4 Chemical agent 5 7 Test specimen5 7.1 Number .5 7.2 Dimension.6 7.3 Preparation .6 7.4 Conditioning.6 8 Procedure .6 9 Evaluation and expression of results7 9.1 Mass change 7 9.2 Diameter change7 9.3 Change of compressive strength value 8 10 Test report 8 BS EN 12808-1:2
12、008EN 12808-1:2008 (E) 3 Foreword This document (EN 12808-1:2008) has been prepared by Technical Committee CEN/TC 67 “Ceramic tiles”, the secretariat of which is held by UNI. This European Standard shall be given the status of a national standard, either by publication of an identical text or by end
13、orsement, at the latest by April 2009, and conflicting national standards shall be withdrawn at the latest by April 2009. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directi
14、ve(s). 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 document supersedes EN 12808-1:1999. This document is one of a series of E
15、uropean Standards for ceramic tile adhesives including: EN 1308, Adhesives for tiles - Determination of slip EN 1323, Adhesives for tiles - Concrete slabs for tests EN 1324, Adhesives for tiles - Determination of shear adhesion strength of dispersion adhesives EN 1346, Adhesives for tiles - Determin
16、ation of open time EN 1347, Adhesives for tiles - Determination of wetting capability EN 1348, Adhesives for tiles - Determination of tensile adhesion strength for cementitious adhesives EN 12002, Adhesives for tiles - Determination of transverse deformation for cementitious adhesives and grouts EN
17、12003, Adhesive for tiles - Determination of shear adhesion strength of reaction resin adhesives EN 12004, Adhesives for tiles Requirements, evaluation of conformity, classification and designation EN 12808-1, Grouts for tiles Part 1: Determination of chemical resistance of reaction resin mortars EN
18、 12808-2, Grouts for tiles Part 2: Determination of resistance to abrasion EN 12808-3, Grouts for tiles Part 3: Determination of flexural and compressive strength EN 12808-4, Grouts for tiles Part 4: Determination of shrinkage EN 12808-5, Grouts for tiles Part 5: Determination of water absorption Ac
19、cording to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, La
20、tvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 12808-1:2008EN 12808-1:2008 (E) 4 1 Scope This European Standard specifies the test method to be used to determine the chemical resistance
21、of ceramic tile adhesives and grouts under anticipated service conditions. This European Standard applies to reaction resin ceramic tile grouts and adhesives for internal and external ceramic tile installations on walls and floors. This European Standard does not contain performance requirements or
22、recommendations for the design and installation of ceramic tiles and grouts. NOTE Ceramic tile adhesives and grouts can be used also for other kinds of tiles (natural and agglomerated stones, etc.), where these do not adversely affect the materials. WARNING - This European Standard can involve hazar
23、dous materials and operations. Persons using this standard should be familiar with normal laboratory practice. This European Standard does not purport to address all the safety problems, if any, associated with its use. It is the responsibility of the user to establish appropriate safety and health
24、practices and to ensure compliance with any European and national regulatory conditions. 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
25、of the referenced document (including any amendments) applies. EN 1067, Adhesives - Examination and preparation of samples for testing EN ISO 15605, Adhesives Sampling (ISO 15605:2000) 3 Sampling Take a test sample of at least 2 kg of the adhesive or grout in accordance with EN ISO 15605 and EN 1067
26、. 4 Test conditions Standard conditions shall be (23 2) C and (50 5) % relative humidity and a speed of air in the testing area less than 0,2 m/s. 5 Test materials Condition all test materials other than the adhesive to be tested for at least 24 h under standard conditions. The adhesive to be tested
27、 shall be within its shelf life, where this is specified. BS EN 12808-1:2008EN 12808-1:2008 (E) 5 6 Apparatus 6.1 Mould The mould shall be a right cylinder (25 1) mm in diameter by (25 1) mm high. The mould shall be constructed in any manner that allows the formation of the desired test specimen. Ty
28、pical moulds consist of a (25 1) mm thick flat plastic board in which (25 1) mm diameter holes have been cut, and to the bottom of which a flat and smooth plastic sheet, at least 6 mm thick, without holes, which is attached by means of screws or any other suitable system. Alternatively, the moulds s
29、hall consist of sections of round plastic tubing or pipe, (25 1) mm in inside diameter, and (25 1) mm long, with sufficient wall thickness to be rigid and retain dimensional stability during the moulding operation, and a 6 mm thick flat plastic sheet on which one open end of each section shall be ab
30、le to be rested. NOTE The material from which the mould is constructed should be chemically inert and have antistick properties. Polyethylene, polypropylene, polytetrafluoroethylene and metal forms having a sintered coating of tetrafluoroethylene polymer have been found satisfactory. 6.2 Containers
31、6.2.1 Wide mouth jars of sufficient capacity, fitted with plastic or plastic-lined metal screw caps for low temperatures tests involving media of low volatility. 6.2.2 Erlenmeyer flasks, of sufficient capacity, fitted with standard-taper-joints and a reflux condenser attachment for use with volatile
32、 media. 6.2.3 Containers, as described in 6.2.1 and 6.2.2, of a suitable inert material for use with media which attack glass. 6.3 Compression machine A test machine with suitable capacity and sensitivity for the test and with a variable testing speed. The machine shall be capable of applying the co
33、mpression load to the specimen through a suitable compression jig designed to provide self-alignment with specimen. 6.4 Chemical agent The chemical agent shall consist of the media to which the chemical resistant materials are to be exposed in service. 7 Test specimen 7.1 Number The number of specim
34、en required is dependent upon the number of test media to be employed, the number of different temperatures at which testing is performed and the frequency of test intervals. In any case the test specimen shall consist of sets of a minimum of three cylinders for one medium, at a single temperature a
35、nd for each test interval. In addition one set of at least three specimens shall be available for test immediately following the conditioning period, and other sets of at least three, equivalent to the number of test temperatures, for the total test period. Calculate the total number of specimen req
36、uired as follows: () nTnITMnN += (1) BS EN 12808-1:2008EN 12808-1:2008 (E) 6 where: N is the number of specimen; n is the number of specimen for a single test; M is the number of media; T is the number of test temperatures; I is the number of test intervals. 7.2 Dimension The test units shall be cas
37、t right cylinders, (25 1) mm in diameter by (25 1) mm high, with flat smooth faces normal to the axis of the cylinder, prepared in moulds described in 6.1 and employing no release agent in the mould. 7.3 Preparation Mix the components in the ratio specified by the manufacturers instructions. Blend t
38、he parts using a suitable hand tool or machine mixer, ensuring that any ingredients are thoroughly and uniformly mixed. Place the product in the mould with a spatula, taking care to ensure complete filling of the mould cavity without entrapment of air. Scrape off the excess material with a flat trow
39、el, making the exposed surface as smooth and even as possible. Permit the material to remain in the mould until it has set sufficiently to allow removal without danger of deformation or breakage. 7.4 Conditioning Condition the test units for 7 days in standard conditions, 7 days includes the mixing
40、time in the mould. After the 7 days, proceed as described in 8.5 on one set of specimens. 8 Procedure 8.1 Immediately following the conditioning period measure the diameter of all test specimens to the nearest 0,03 mm using a micrometer. Make two measurements at right angles to each other and record
41、 the diameter as the average of the two. Following the diameter measurement weigh all the specimen to the nearest 0,001 g on an analytical balance and record the values. Prior to immersion record a brief description of the colour and surface appearance of the specimen and of colour and transparency
42、of the test medium. 8.2 Place the weighed specimen, to be immersed, on their curved sides into the container (6.2) taking care to prevent the cylinder faces coming in contact with each other. The total number of specimen per container is only limited by the ability of the container to hold the speci
43、men plus the required amount of test medium per specimen. 8.3 Add (100 5) ml of the chemical agent for each specimen and place the closed container in a constant-temperature oven adjusted to the required temperature or in a suitably adjusted liquid bath simulating the actual service and exposure as
44、closely as possible. Replace agents that are known to be unstable, as often as necessary, in order to maintain the original chemical composition and concentration, for the planned intervals. 8.4 Remove the specimen after 28 days of immersion to determine the chemical attack. If necessary, employ oth
45、er exposure periods. BS EN 12808-1:2008EN 12808-1:2008 (E) 7 Clean the specimen with three quick rinses in cold running tap water and quick dry by blotting with a paper towel between each rinse. After the final blotting allow the specimen to dry for 30 min, resting on its curved surface, weigh to th
46、e nearest 0,001 g and measure the diameter of the test specimen as described in 8.1. Note any indication of surface attack on the specimen, any discoloration of the test specimen and the formation of any sediment. 8.5 Determine the compressive strength for one set of specimens: immediately after the
47、 conditioning period; after the exposure period for each chemical agent and each temperature; after ageing in air for the total test period at each test temperature. The elapsed time between the removal of the specimen from the test medium and the compressive test should be uniform for all specimens
48、. Place each specimen in the testing machine with the plane faces of the cylinder in contact with the surface of the compression tool or cage. Apply the load to the specimen at a crosshead movement of (5,5 0,5) mm/min when the machine is running without load. Break the specimen and record the maximu
49、m load. 9 Evaluation and expression of results 9.1 Mass change Calculate to the nearest 0,01 % the percentage loss or gain in mass of the specimen during exposure for each examination period as follows: ()100/ = CCWW (2) where: W is the mass change expressed in percentage; W is the mass of the specimen after immersion, in grams; C is the mass of the specimen after initial conditioning, in grams. Determine the mean of the three values or more. A result showing a plus (+) sign shall indicate a gain in mass and a minu
