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1、BRITISH STANDARD BS EN 1346:2007 Adhesives for tiles Determination of open time The European Standard EN 1346:2007 has the status of a British Standard ICS 83.180; 91.100.10 ? Licensed Copy: London South Bank University, London South Bank University, Wed Jan 02 02:18:15 GMT+00:00 2008, Uncontrolled
2、Copy, (c) BSI BS EN 1346:2007 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 December 2007 BSI 2007 ISBN 978 0 580 57396 5 National foreword This British Standard is the UK implementation of EN 1346:2007. It supersedes BS EN 1346:1999 whi
3、ch is withdrawn. The UK participation in its preparation was entrusted to Technical Committee B/539, Ceramic tiles and other rigid tiling. 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
4、 provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. Amendments issued since publication Amd. No. DateComments Licensed Copy: London South Bank University, London South Bank University, Wed Jan
5、 02 02:18:15 GMT+00:00 2008, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 1346 August 2007 ICS 83.180; 91.100.10Supersedes EN 1346:1996 English Version Adhesives for tiles - Determination of open time Colles carrelage - Dtermination du temps ouvertMrtel und Klebsto
6、ffe fr Fliesen und Platten - Bestimmung der offenen Zeit This European Standard was approved by CEN on 21 January 2007. 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 standard without
7、 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 language ma
8、de 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, Cyprus, Czech Republic, Denmark, Estonia, Finland, Fra
9、nce, 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 EUROPISCHES KOMITEE F
10、R NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2007 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 1346:2007: E Licensed Copy: London South Bank University, London South Bank University, Wed Jan 02 02:18:15 GMT+00
11、:00 2008, Uncontrolled Copy, (c) BSI EN 1346:2007 (E) 2 Contents Page Foreword3 1 Scope 4 2 Normative references4 3 Sampling.4 4 Test conditions 4 5 Test materials.4 5.1 General4 5.2 Ceramic tiles.5 5.3 Concrete slab.5 6 Apparatus .5 6.1 Notched trowel.5 6.2 Weight.5 6.3 Pull-head plates .5 6.4 Test
12、 machine5 7 Mixing of adhesive.5 8 Procedure .6 9 Evaluation and expression of results6 10 Test report7 Licensed Copy: London South Bank University, London South Bank University, Wed Jan 02 02:18:15 GMT+00:00 2008, Uncontrolled Copy, (c) BSI EN 1346:2007 (E) 3 Foreword This document (EN 1346:2007) h
13、as 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 endorsement, at the latest by February 2008, and conflicting national
14、standards shall be withdrawn at the latest by February 2008. This document supersedes EN 1346:1996. 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, Cyprus, Cz
15、ech 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 United Kingdom. Licensed Copy: London South Bank University, Lo
16、ndon South Bank University, Wed Jan 02 02:18:15 GMT+00:00 2008, Uncontrolled Copy, (c) BSI EN 1346:2007 (E) 4 1 Scope This European Standard specifies the test method for the determination of the open time of ceramic tile adhesives. This European Standard is applicable to all ceramic tile adhesives
17、for internal or external tile installations on walls and floors. This European Standard does not contain performance requirements or recommendations for the design and installation of ceramic tiles. NOTE Ceramic tile adhesives can also be used for other types of tiles (natural and agglomerated stone
18、s etc.), if they do not adversely affect the stones. 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 (includin
19、g any amendments) applies. EN 196-1:2005, Methods of testing cement Part 1: Determination of strength EN 1067, Adhesives Examination and preparation of samples for testing EN 1323, Adhesives for tiles Concrete slabs for tests EN 12004, Adhesives for tiles Requirements, evaluation of conformity, clas
20、sification and designation EN 14411, Ceramic tiles Definitions, classification, characteristics and marking EN ISO 15605, Adhesives Sampling (ISO 15605:2000) 3 Sampling Take a 2 kg sample of the adhesive in accordance with EN ISO 15605 and EN 1067. 4 Test conditions Standard conditions shall be (23
21、2) C and (50 5) % relative humidity and the air speed in the testing area less than 0,2 m/s. 5 Test materials 5.1 General Condition all test materials (adhesive etc.) for at least 24 h under standard conditions. The adhesive to be tested shall be within its shelf life, where this is specified. Licen
22、sed Copy: London South Bank University, London South Bank University, Wed Jan 02 02:18:15 GMT+00:00 2008, Uncontrolled Copy, (c) BSI EN 1346:2007 (E) 5 5.2 Ceramic tiles The tiles shall be checked prior to conditioning to ensure that they are new, clean and dry. The tiles used for this method shall
23、be of the following type: type P1: glazed porous body tile complying with EN 14411, group BIII, of water absorption (15 3) % by mass, with a thickness in the range 7 mm to 10 mm and a profile back pattern less than 0,25 mm deep, cut to facial dimensions of (50 1) mm (50 1) mm. 5.3 Concrete slab The
24、concrete slab shall comply with EN 1323. 6 Apparatus 6.1 Notched trowel A notched trowel having 6 mm 6 mm notches at 12 mm centres. 6.2 Weight A mass capable of exerting a force of (20 0,05) N, with a cross-sectional area of less than 50 mm 50 mm. 6.3 Pull-head plates Square metallic plates, with di
25、mensions of (50 1) mm (50 1) mm and a minimum thickness of 10 mm with a suitable fitting for connection to the test machine. 6.4 Test machine A test machine for direct pull tensile force test and with suitable capacity and sensitivity for the test. The machine shall be capable of applying the load t
26、o the pull-head plate at the rate of (250 50) N/s through a suitable fitting that does not exert any bending force. 7 Mixing of adhesive The amount of water and/or liquid admix required for preparing the adhesive shall be as stated by the adhesive manufacturer in parts by mass, i.e. liquid to dry po
27、wder (if a range of values is given, the average shall be used). Prepare a minimum quantity of 2 kg of the adhesive in a mixer of the type described in 4.4 of EN 196-1:2005, using the speed settings (140 5) r/min and (62 5) r/min planetary movement. Carry out the following procedure: pour the liquid
28、 into the pan; scatter the dry powder over the liquid; mix for 30 s; take out the mixing paddle; Licensed Copy: London South Bank University, London South Bank University, Wed Jan 02 02:18:15 GMT+00:00 2008, Uncontrolled Copy, (c) BSI EN 1346:2007 (E) 6 scrape down the paddle and pan within 1 min; r
29、eplace the paddle and mix for 1 min. Let the adhesive mature in accordance with the adhesive manufacturers instructions and then mix for a further 15 s. In the case of ready-to-use dispersion adhesives or reaction resin adhesives, the manufacturers instructions shall be followed. 8 Procedure Apply a
30、 thin layer of the adhesive, mixed in accordance with Clause 7, to the concrete slab with a straight edge trowel. Then apply a thicker layer and comb with the notched trowel (6.1). Hold the trowel at an angle of approximately 60 to the substrate at a right angle to one edge of the slab and drawn acr
31、oss the slab parallel to that edge (in a straight line). After 5 min, 10 min, 20 min and 30 min place at least ten test tiles of type P1, 50 mm apart, on the adhesive and load each tile with (20 0,05) N for 30 s. After 27 days storage under standard conditions, bond the pull-head plates (6.3) to the
32、 tiles with a suitable high strength adhesive (e.g. epoxide adhesive). After a further 24 h storage under standard conditions determine the tensile adhesion strength of the adhesive by applying a force increasing at a constant rate of (250 50) N/s. 9 Evaluation and expression of results The individu
33、al tensile adhesion strengths are quoted to the nearest 0,1 N/mm2 using the following equation: As = L / A where As is the individual tensile adhesion strength in N/mm2; L is the total tensile load in N; A is the bonding area in mm2 (2 500 mm2). The tensile adhesion strength for each time interval i
34、s determined as follows: determine the mean of the ten values; discard the values falling outside the range of 20 % of the mean value; if five or more values remain, determine the new mean; if less than five values remain repeat the test; determine the mode of failure of the test units according to
35、EN 12004 as the predominant mode. The open time in minutes, is the maximum time interval at which the adhesive meets the tensile adhesion strength requirement defined in EN 12004. Licensed Copy: London South Bank University, London South Bank University, Wed Jan 02 02:18:15 GMT+00:00 2008, Uncontrol
36、led Copy, (c) BSI EN 1346:2007 (E) 7 10 Test report The test report shall provide the following information: a) number and year of issue of this European Standard, i.e. EN 1346:2007; b) place and date of sampling; c) type of adhesive, commercial designation and manufacturer; d) identification of tes
37、t sample; e) handling and storage of samples before testing; f) test conditions; g) date of testing; h) amount of water or liquid used for preparing the adhesive; i) test results (individual and mean values and the mode of failure); j) open time in minutes; k) any other factor that could have influe
38、nced the result. Licensed Copy: London South Bank University, London South Bank University, Wed Jan 02 02:18:15 GMT+00:00 2008, Uncontrolled Copy, (c) BSI BS EN 1346:2007 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for p
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