BS EN 12087-2013 Thermal insulating products for building applications Determination of long term water absorption by immersion《建筑应用隔热产品 通过浸泡测定长期吸水性》.pdf

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1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 12087:2013Thermal insulating productsfor building applications Determination of long termwater absorption by immersionBS EN 12087:2013 BRITISH STANDARDNational forewordThis

2、 British Standard is the UK implementation of EN 12087:2013. Itsupersedes BS EN 12087:1997 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee B/540, Energy performance of materials components andbuildings.A list of organizations represented on this committ

3、ee 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. The British Standards Institution 2013. Published by BSI StandardsLimited 2013ISBN 978 0 580 78046 2ICS 91.100.60Com

4、pliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 30 April 2013.Amendments issued since publicationDate Text affectedBS EN 12087:2013EUROPEAN STANDARD NORME EUROPENNE E

5、UROPISCHE NORM EN 12087 March 2013 ICS 91.100.60 Supersedes EN 12087:1997English Version Thermal insulating products for building applications - Determination of long term water absorption by immersion Produits isolants thermiques destins aux applications du btiment - Dtermination de labsorption dea

6、u long terme par immersion Wrmedmmstoffe fr das Bauwesen - Bestimmung der Wasseraufnahme bei langzeitigem Eintauchen This European Standard was approved by CEN on 15 December 2012. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving thi

7、s European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official v

8、ersions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austr

9、ia, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden

10、, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2013 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Mem

11、bers. Ref. No. EN 12087:2013: EBS EN 12087:2013EN 12087:2013 (E) 2 Contents Page Foreword 3 1 Scope 5 2 Normative references 5 3 Terms and definitions .5 4 Principle 5 4.1 Partial immersion (method 1) .5 4.2 Total immersion (method 2) 5 5 Apparatus .5 6 Test specimens 8 6.1 Dimensions of test specim

12、ens .8 6.2 Number of test specimens 8 6.3 Preparation of test specimens .8 6.4 Conditioning of test specimens .8 7 Procedure .8 7.1 Test conditions 8 7.2 Test procedure .9 7.2.1 General 9 7.2.2 Long term water absorption by partial immersion (method 1) .9 7.2.3 Long term water absorption by total im

13、mersion (method 2) . 10 8 Calculation and expression of results 11 8.1 General . 11 8.2 Long-term water absorption by partial immersion 11 8.3 Long-term water absorption by total immersion . 12 9 Accuracy of measurement . 13 10 Test report . 13 BS EN 12087:2013EN 12087:2013 (E) 3 Foreword This docum

14、ent (EN 12087:2013) has been prepared by Technical Committee CEN/TC 88 “Thermal insulating materials and products”, 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 l

15、atest by September 2013, and conflicting national standards shall be withdrawn at the latest by September 2013. 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 o

16、r all such patent rights. This document supersedes EN 12087:1997. The revision of this standard contains no major changes, only minor corrections and clarifications of an editorial nature. This European Standard is one of a series of standards which specify test methods for determining dimensions an

17、d properties of thermal insulating materials and products. It supports a series of product standards for thermal insulating materials and products which derive from the Council Directive of 21 December 1988 on the approximation of laws, regulations and administrative provisions of the Member States

18、relating to construction products (Directive 89/106/EEC) through the consideration of the essential requirements. This European Standard has been drafted for applications in buildings but may also be used in other areas where it is relevant. This European test standard is one of the following group

19、of inter-related standards on test methods for determining dimensions and properties of thermal insulation materials and products, all of which fall within the scope of CEN/TC 88: EN 822, Thermal insulating products for building applications Determination of length and width EN 823, Thermal insulati

20、ng products for building applications Determination of thickness EN 824, Thermal insulating products for building applications Determination of squareness EN 825, Thermal insulating products for building applications Determination of flatness EN 826, Thermal insulating products for building applicat

21、ions Determination of compression behaviour EN 1602, Thermal insulating products for building applications Determination of the apparent density EN 1603, Thermal insulating products for building applications Determination of dimensional stability under constant normal laboratory conditions (23 C/50

22、% relative humidity) EN 1604, Thermal insulating products for building applications Determination of dimensional stability under specified temperature and humidity conditions EN 1605, Thermal insulating products for building applications Determination of deformation under specified compressive load

23、and temperature conditions EN 1606, Thermal insulating products for building applications Determination of compressive creep BS EN 12087:2013EN 12087:2013 (E) 4 EN 1607, Thermal insulating products for building applications Determination of tensile strength perpendicular to faces EN 1608, Thermal in

24、sulating products for building applications Determination of tensile strength parallel to faces EN 1609, Thermal insulating products for building applications Determination of short-term water absorption by partial immersion EN 12085, Thermal insulating products for building applications Determinati

25、on of linear dimensions of test specimens EN 12086, Thermal insulating products for building applications Determination of water vapour transmission properties EN 12087, Thermal insulating products for building applications Determination of long-term water absorption by immersion EN 12088, Thermal i

26、nsulating products for building applications Determination of long-term water absorption by diffusion EN 12089, Thermal insulating products for building applications Determination of bending behaviour EN 12090, Thermal insulating products for building applications Determination of shear behaviour EN

27、 12091, Thermal insulating products for building applications Determination of freeze-thaw resistance EN 12429, Thermal insulating products for building applications Conditioning to moisture equilibrium under specified temperature and humidity conditions EN 12430, Thermal insulating products for bui

28、lding applications Determination of behaviour under point load EN 12431, Thermal insulating products for building applications Determination of thickness for floating floor insulating products EN 13793, Thermal insulating products for building applications Determination of behaviour under cyclic loa

29、ding EN 13820, Thermal insulating materials for building applications Determination of organic content According to the CEN/CENELEC Internal Regulations, the national standards organisations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia

30、, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the

31、United Kingdom. BS EN 12087:2013EN 12087:2013 (E) 5 1 Scope This European Standard specifies the equipment and procedures for determining the long-term water absorption of test specimens. It is applicable to thermal insulating products. This European Standard specifies two options: Method 1 - partia

32、l immersion Method 2 - total immersion The long-term water absorption by partial immersion is intended to simulate the water absorption caused by long term water exposure. The long-term water absorption by total immersion is not directly related to the conditions on site, but has been recognised as

33、a relevant condition of test for some products in some applications. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated reference

34、s, the latest edition of the referenced document (including any amendments) applies. EN 12085, Thermal insulating products for building applications Determination of linear dimensions of test specimens ISO 5725-2, Accuracy (trueness and precision) of measurement methods and results Part 2: Basic met

35、hod for the determination of repeatability and reproducibility of a standard measurement method 3 Terms and definitions This European Standard contains no terms and definitions. 4 Principle 4.1 Partial immersion (method 1) The long-term water absorption by partial immersion is determined by measurin

36、g the change in mass of a test specimen, the lower part of which is in contact with water for a period of 28 days. The excess water adhering to the surface, not absorbed by the test specimen, is removed by drainage in method 1A or taken into account by deduction of the initial water uptake in method

37、 1B. 4.2 Total immersion (method 2) The long term water absorption by total immersion is determined by measuring the change in mass of the test specimen, totally immersed in water, over a period of 28 days. The excess water adhering to the surface, not absorbed by the test specimen, is removed by dr

38、ainage in method 2A or taken into account by deduction of the initial water uptake in method 2B. 5 Apparatus 5.1 Balance, which allows the determination of the mass of a test specimen to 0,1 g. 5.2 Water tank, with a device for keeping the water level constant to within 2 mm, and a device to keep th

39、e test specimen in the required position. BS EN 12087:2013EN 12087:2013 (E) 6 Examples of test devices are given in the Figures 1, 2 and 3. The device to keep the test specimen in position shall not cover more than 15 % of the cross section area of the test specimen, which is exposed to water. The d

40、evice shall be such that the original form of the test specimen is maintained. Key 1 watertank 2 load to keep the test specimen in position 3 test specimen Figure 1 Example of partial immersion test device (method 1A and 1B) Key 1 watertank 2 load to keep the test specimen in position 3 test specime

41、n Figure 2 Example of equipment for the determination of water absorption by total immersion (method 2A and 2B) BS EN 12087:2013EN 12087:2013 (E) 7 Key 1 balance 2 weighing table 3 linkage 4 water container 5 water 6 mesh cage made of stainless material with fixing rods or a sinker large enough in m

42、ass to compensate for the upthrust of the test specimen 7 test specimen Figure 3 Example of equipment for determination of water absorption by total immersion (method 2C) 5.3 Tap water, adjusted to a temperature of (23 5) C. In case of dispute, deionised water shall be used. 5.4 Equipment for draina

43、ge The principle for methods 1A and 2A is illustrated in Figures 4a and 4b. BS EN 12087:2013EN 12087:2013 (E) 8 Key 1 stainless steel mesh 2 test specimen 3 perforated stainless steel Figure 4 Examples of equipment for drainage 6 Test specimens 6.1 Dimensions of test specimens The thickness of the t

44、est specimens shall be the original product thickness. The test specimens shall be squares with squarely cut edges having sides of (200 1) mm. 6.2 Number of test specimens The number of test specimens shall be as specified in the relevant product standard or any other European Technical Specificatio

45、n. In the absence of such a specification, at least four test specimens shall be used. 6.3 Preparation of test specimens The test specimens shall be cut so that they do not include original product edges. Test specimens shall be prepared by methods that do not substantially change the original struc

46、ture of the product. Any skins, facings and/or coatings shall be retained. Special methods of preparation, when needed, are given in the relevant product standard or any other European Technical Specification. 6.4 Conditioning of test specimens The test specimens shall be stored for at least 6 h at

47、(23 5) C. In case of dispute, they shall be stored at (23 2) C and (50 5) % relative humidity for the time stated in the relevant product standard with a minimum of 6 h. 7 Procedure 7.1 Test conditions The test shall be carried out at (23 5) C. In case of dispute it shall be carried out at (23 2) C.

48、 BS EN 12087:2013EN 12087:2013 (E) 9 7.2 Test procedure 7.2.1 General The method shall be as specified in the relevant product standard or any other European Technical Specification. In the absence of such a specification, the method may be agreed between parties. The long-term water absorption is d

49、etermined after 28 days immersion. If requested, readings can be made at shorter time periods, e.g. after 7 days and 14 days immersion periods. The dimensions of the test specimens shall be measured in accordance with EN 12085 to the nearest 0,5 mm before the test. If any dimensional changes are noticed after the immersion period, the dimensions of the test specimens should be measured again. 7.2.2 Long term water absorption by partial

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