EN 13169:2001
(Main)Thermal insulation products for buildings - Factory made products of expanded perlite (EPB) - Specification
Thermal insulation products for buildings - Factory made products of expanded perlite (EPB) - Specification
This European Standard specifies the requirements for factory made products of expanded perlite, with or without facings or coatings, which are used for the thermal insulation of buildings. The products are manufactured in the form of boards. The standard also covers multilayered insulation boards and composite insulation boards. The standard describes product characteristics and includes procedures for testing, marking and labelling.
Wärmedämmstoffe für Gebäude - Werkmäßig hergestellte Produkte aus Blähperlit (EPB) - Spezifikation
Diese Europäische Norm legt die Anforderungen für werkmäßig hergestellte Produkte aus Blähperlit mit oder ohne Kaschierungen fest, die für die Wärmmedämmung von Gebäuden benutzt werden. Die Produkte werden in der Form von Platten oder mehrlagigen Dämmplatten hergestellt. Diese Norm umfasst auch Mehrschicht-Dämmplatten (siehe Anhang D). Diese Norm beschreibt die Stoffeigenschaften und enthält die Prüfverfahren und Festlegungen für die Konformitätsbewertung, die Kennzeichnung und die Etikettierung. In dieser Norm beschriebene Produkte werden auch in vorgefertigten Wärmedämmsystemen und Mehrschicht-Verbindplatten angewendet; die Eigenschaften von Systemen, in die diese Produkte integriert sind, werden nicht behandelt. diese Norm legt keine Anforderungsniveaus für eine vorgegebene Eigenschaft fest, die ein Produkt arreichen muss, um für einen bestimmten Anwendungsfall tauglich zu sein. Für bestimmte Anwendungen benötigte anforderungen können Regelwerken oder übereinstimmenden Normen entnommen werden. Diese Norm gilt nicht für Produkte, deren Nennwert des Wärmedurchlasswiderstandes kleiner ist als 0,20 m² . K/W oder dern Nennwert der Wärmeleitfähigkeit größer ist als 0,070W/(m.K) bei 10°C. Diese Norm gilt nicht für Ortsprodukte und für Produkte, die zur Dämmung von haustechnischen oder betriebstechnischen Anlagen bestimmt sind. Diese Norm gilt nicht für die folgenden Schallschutzaspekte: Schallabsorptionsgrad und Direkte Luftschalldämmung.
Produits isolants thermiques pour le bâtiment - Produits manufacturés en perlite expansée (EPB) - Spécification
La présente Norme européenne spécifie les exigences auxquelles doivent satisfaire les produits manufacturés en perlite expansée, avec ou sans parements ou enduits, utilisés pour l'isolation thermique des bâtiments. Les produits sont fabriqués sous forme de panneaux ou d'isolation multicouche.
La présente norme concerne également les panneaux d'isolation composite (voir annexe D).
La présente norme décrit les caractéristiques du produit et inclut les procédures d'essai, d'évaluation de la conformité, de marquage et d'étiquetage.
Les produits du domaine d'application de la présente norme sont également utilisés dans des systèmes d'isolation thermique et dans des panneaux composites préfabriqués; la performance des systèmes dans lesquels entrent ces produits n'est pas définie.
La présente norme ne spécifie pas, pour une propriété donnée, le niveau exigé que doit atteindre un produit pour démontrer son aptitude à l'emploi dans une application particulière. Les niveaux requis pour une application donnée figurent dans les réglementations, ou normes non conflictuelles.
Les produits dont la résistance thermique déclarée à une température de 10 °C est inférieure à 0,20 m2 .K/W ou dont la conductivité thermique déclarée à une température de 10 °C est supérieure à 0,070 W/(m×K) ne sont pas du domaine d'application de la présente norme.
Les produits mis en ¿uvre in situ et ceux destinés à être utilisés pour l'isolation des équipements du bâtiment et des installations industrielles ne sont pas du domaine d'application de la présente norme. La présente norme ne couvre pas l'indice d'affaiblissement acoustique ni l'isolement aux bruits aériens directs.
Toplotnoizolacijski proizvodi za stavbe - Proizvodi iz ekspandiranega perlita (EPB) - Specifikacije
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Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Thermal insulation products for buildings - Factory made products of expanded perlite (EPB) - SpecificationToplotnoizolacijski proizvodi za stavbe - Proizvodi iz ekspandiranega perlita (EPB) - SpecifikacijeProduits isolants thermiques pour le bâtiment - Produits manufacturés en perlite expansée (EPB) - SpécificationWärmedämmstoffe für Gebäude - Werkmäßig hergestellte Produkte aus Blähperlit (EPB) - Spezifikation91.100.60Thermal and sound insulating materialsICS:SIST EN 13169:2002enTa slovenski standard je istoveten z:EN 13169:200101-marec-2002SIST EN 13169:2002SLOVENSKI
STANDARD
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 13169May 2001ICS 91.100.60English versionThermal insulation products for buildings - Factory madeproducts of expanded perlite (EPB) - SpecificationProduits isolants thermiques pour le bâtiment - Produitsmanufacturés en perlite expansée (EPB) - SpécificationWärmedämmstoffe für Gebäude - Werkmäßig hergestellteProdukte aus Blähperlit (EPB) - SpezifikationThis European Standard was approved by CEN on 16 April 2001.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 nationalstandards may be obtained on application to the 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 notified to the Management Centre has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2001 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 13169:2001 E
Page 2EN 13169:2001ContentsPageForeword.31Scope.42Normative references.43Terms, definitions, symbols, units and abbreviated terms.54Requirements.75Test methods.116Designation code.157Evaluation of conformity.158Marking and labelling.16Annex A (normative)
Determination of the declared values of thermal resistance and thermalconductivity.17Annex B (normative)
Factory production control.19Annex C (normative)
Determination of the thermal conductivity in relation to moisture content.22Annex D (normative)
Composite insulation boards.24Annex E (informative)
Additional properties.28Annex ZA (informative)
Clauses of this European Standard addressing the provisions of the EUConstruction Products Directive.30TablesTable 1 – Thickness tolerances.8Table 2 – Levels for compressive stress or compressive strength.9Table 3 – Levels for deformation under specified compressive load and temperature.10Table 4 – Levels for water absorption by total immersion.10Table 5 – Levels for bending strength at constant span.11Table 6 – Test methods, test specimens and conditions.14Table A.1 – Values for k for one sided 90 % tolerance interval with a confidence level of 90 %.18Table B.1 – Minimum product testing frequencies.19Table B.2 – Minimum product testing frequencies for the reaction to fire characteristics.20Table D.1 – Classes for thickness tolerances.25Table D.2 – Levels of compressibility.25Table D.3 – Test methods, test specimens and conditions.26Table D.4 – Minimum product testing frequencies.27Table E.1 – Test methods, test specimens, conditions and testing frequencies.29Table ZA.1 – Relevant clauses.31Table ZA.2.1 – Systems of attestation of conformity of factory made products for any intended use.32Table ZA.2.2 – Systems of attestation of conformity of factory made products for uses subject toregulations on reaction to fire.33Table ZA.3 – Example CE marking information.35
Page 3EN 13169:2001ForewordThis European Standard has been prepared by the Technical Committee CEN/TC 88, «Thermal insulatingmaterials 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 textor by endorsement, at the latest by November 2001, and conflicting national standards shall be withdrawn at thelatest by March 2003.This European Standard has been prepared under a mandate given to CEN by the European Commission andthe European Free Trade Association, and supports essential requirements of EU Directive(s).For relationship with EU Directive(s), see informative annex ZA, which is an integral part of this standard.This European Standard contains six annexes:Annex A (normative)Determination of the declared values of thermal resistance and thermalconductivity;Annex B (normative)Factory production control;Annex C (normative)Determination of the thermal conductivity in relation to moisture content;Annex D (normative)Composite insulation boards;Annex E (informative)Additional properties;Annex ZA (informative)Clauses of this European Standard addressing the provisions of the EUConstruction Products Directive.This European Standard is one of a series of standards for insulation products used in buildings, but thisstandard may be used in other areas where appropriate.In pursuance of Resolution BT 20/1993 Revised, CEN/TC 88 have proposed defining the standards listed belowas a package of European Standards, setting (21 months after availability) as the date of withdrawal (dow) ofnational standards which conflict with the European standards of this package.The package of standards comprises the following group of interrelated standards for the specifications offactory made thermal insulation products, all of which come within the scope of CEN/TC 88:EN 13162, Thermal insulation products for buildings – Factory made mineral wool (MW) products – Specification.EN 13163, Thermal insulation products for buildings – Factory made products of expanded polystyrene (EPS) –Specification.EN 13164, Thermal insulation products for buildings – Factory made products of extruded polystyrene foam (XPS)– Specification.EN 13165, Thermal insulation products for buildings – Factory made rigid polyurethane foam (PUR) products –Specification.EN 13166, Thermal insulation products for buildings – Factory made products of phenolic foam (PF) –Specification.EN 13167, Thermal insulation products for buildings – Factory made cellular glass (CG) products – Specification.EN 13168, Thermal insulation products for buildings – Factory made wood wool (WW) products –Specification.EN 13169, Thermal insulation products for buildings – Factory made products of expanded perlite (EPB) –Specification.EN 13170, Thermal insulation products for buildings – Factory made products of expanded cork (ICB) – Specification.EN 13171, Thermal insulation products for buildings – Factory made wood fibre (WF) products – Specification.
Page 4EN 13169:2001According to the CEN/CENELEC Internal Regulations, the national standards organizations of the followingcountries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark,Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain,Sweden, Switzerland and the United Kingdom.1ScopeThis European Standard specifies the requirements for factory made products of expanded perlite, with orwithout facings or coatings, which are used for the thermal insulation of buildings. The products aremanufactured in the form of boards or multi-layered insulation.The standard also covers composite insulation boards (see annex D).The standard describes product characteristics and includes procedures for testing, evaluation of conformity,marking and labelling.Products covered by this standard are also used in prefabricated thermal insulating systems and compositepanels; the performance of systems incorporating these products is not covered.This standard does not specify the required level of a given property to be achieved by a product to demonstratefitness for purpose in a particular application. The levels required for a given application are to be found inregulations or non-conflicting standards.Products with a declared thermal resistance lower than 0,20 m2K/W or a declared thermal conductivity greaterthan 0,070 W/(mK) at 10 °C are not covered by this standard.This standard does not cover in situ insulation products and products intended to be used for the insulation ofbuilding equipment and industrial installations. This standard does not cover the following acoustical aspects:Acoustic absorption index and direct airborne sound insulation.2Normative referencesThis European Standard incorporates by dated or undated reference, provisions from other publications. Thesenormative references are cited at the appropriate places in the text, and the publications are listed hereafter. Fordated references, subsequent amendments to or revisions of any of these publications apply to this EuropeanStandard only when incorporated in it by amendment or revision. For undated references the latest edition of thepublication referred to applies (including amendments).EN 822, Thermal insulating products for building applications - Determination of length and width.EN 823, Thermal insulating 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 applications - Determination of compression behaviour.prEN ISO 1182, Reaction to fire tests for building products – Non-combustibility test (ISO/DIS 1182:1998).EN 1604, Thermal insulating products for building applications - Determination of dimensional stabilityunder specified temperature and humidity conditions.EN 1605, Thermal insulating products for building applications - Determination of deformation underspecified compressive load and temperature conditions.EN 1606, Thermal insulating products for building applications - Determination of compressive creep.EN 1607, Thermal insulating products for building applications - Determination of tensile strength perpendicularto faces.
Page 5EN 13169:2001EN 1609, Thermal insulating products for building applications - Determination of short term water absorption bypartial immersion.prEN ISO 1716, Reaction to fire tests for building products – Determination of calorific potential value (ISO/DIS1716:1998).prEN ISO 9229, Thermal insulation - Definition of terms (ISO/DIS 9229:1997).prEN ISO 11925-2, Reaction to fire tests for building products – Part 2: Ignitability when subjected to directimpingement of flame (ISO/DIS 11925-2:1998).EN 12086:1997, Thermal insulating products for building applications - Determination of water vapourtransmission properties.EN 12089, Thermal insulating products for building applications - Determination of bending behaviour.EN 12430, Thermal insulating products for building applications - Determination of behaviour under point load.EN 12431, Thermal insulating products for building applications - Determination of thickness for floating floorinsulating products.prEN 12667, Thermal performance of building materials and products - Determination of thermal resistance bymeans of guarded hot plate and heat flow meter methods – Products of high and medium thermal resistance.EN 12939, Thermal performance of building materials and products - Determination of thermal resistance bymeans of guarded hot plate and heat flow meter methods – Thick products of high and medium thermalresistance.EN 13172:2001, Thermal insulating products - Evaluation of conformity.prEN 13501-1, Fire classification of construction products and building elements – Part 1: Classification using testdata from reaction to fire test.prEN 13820, Thermal insulating products for building applications – Determination of organic content.prEN 13823, Reaction to fire tests for building products – Building products excluding floorings exposed to thethermal attack by a single burning item.EN 29052-1, Acoustics – Determination of dynamic stiffness – Part 1: Materials used under floating floors indwellings.ISO 12491, Statistical methods for quality control of building materials and components.3Terms, definitions, symbols, units and abbreviated terms3.1Terms and definitionsFor the purpose of this standard, the following terms and definitions apply.3.1.1Terms and definitions as given in prEN ISO 92293.1.1.1expanded perlitelightweight granular (insulation) material manufactured from naturally occurring volcanic rock expanded by heatto form a cellular structure3.1.1.2multi-layered insulationcombination of two or more layers of a specific insulation material. The thickness of the individual layers maydiffer
Page 6EN 13169:20013.1.1.3composite insulationcombination of layers of at least two different insulation materials. The insulation property of the composite isderived from the insulation properties of the individual materials3.1.2Additional terms and definitions3.1.2.1expanded perlite boardrigid insulation board manufactured from expanded perlite, reinforcing fibres and binding agents. It may bedelivered as a board or as two or more boards bonded together with a suitable adhesive (multi-layeredinsulation: see 3.1.1.2). Boards may also have a profiled edge3.1.2.2levelthe given value which is the upper or lower limit of a requirement. The level is given by the declared value of thecharacteristic concerned3.1.2.3classa combination of two levels of the same property between which the performance shall fall3.2Symbols units and abbreviated termsSymbols and units used in this standard:ais the coefficient describing the influence of moisture on the thermal conductivitybis the widthmmcis the compressibilitymmdis the thicknessmmdBis the thickness under a load of 2 kPa after removal of an additional load of 48 kPammdL is the thickness under a load of 250 kPammdN is the nominal thickness of the productmmbis the relative change in width%dis the relative change in thickness%lis the relative change in length%kis a factor related to the number of test results available-lis the lengthmmD is the declared thermal conductivityW/(mK)iis one test result of thermal conductivityW/(mK) meanis the mean thermal conductivityW/(mK)10,dry is the thermal conductivity in the dry stateW/(mK)90/90 is the 90 % fractile with a confidence level of 90 % for the thermal conductivity W/(mK)m1is the mass of the test specimen after 2 h total immersion in waterkgm23,dryis the mass of specimen in the dry statekgm23,50is the mass of specimen at 23 °C and 50 % relative humiditykgis the water vapour diffusion resistance factor-nis the number of test results-RD is the declared thermal resistancem2K/WRiis one test result of thermal resistancem2K/WRmeanis the mean thermal resistancem2K/WR90/90is the 90 % fractile with a confidence level of 90 % for the thermal resistancem2K/WSbis the deviation from squareness on length and widthmm/mSmaxis the deviation from flatnessmmsRis the estimate of the standard deviation of the thermal resistancem2K/Wsis the estimate of the standard deviation of the thermal conductivityW/(mK)s’is the dynamic stiffnessMN/m3bis the bending strengthkPa
Page 7EN 13169:2001bcis the bending strength at a constant spankPacis the declared compressive stresskPamis the compressive strengthkPamtis the tensile strength perpendicular to faceskPa10is the compressive stress at 10 % deformationkPau23,50is the moisture content by mass at 23 C and 50 % relative humiditykg/kgVis the volume of the specimenm3Wpis the short-term water absorption by partial immersionkg/m2Wstis the short-term water absorption by total immersionkg/dm3X0is the initial deformation after 60 s from the beginning of loadingmmXctis the compressive creepmmXtis the deformation at time t (total thickness reduction)mmZis the water vapour resistancem2hPa/mgBSis the symbol of the declared level of bending strengthBS(z)is the symbol of the declared level of bending strength at a constant spanCC(i1/i2/y)c is the symbol of the declared level for compressive creepCPis the symbol of the declared level for compressibilityCS(10\Y)is the symbol of the declared level for compressive stress or compressive strengthDLT(i)5is the symbol of the declared level of deformation under load and temperatureDS(H)is the symbol of the declared value for dimensional stability under humidity conditionDS(T+/50)is the symbol of the declared value for dimensional stability under specified temperatureand humidityMUis the symbol of the declared value for water vapour diffusion resistance factorPL(2)is the symbol of the declared level of point load for 2 mm deformationSDis the symbol of the declared level of dynamic stiffnessTis the symbol of the declared class for thickness tolerancesTRis the symbol of the declared value for tensile strength perpendicular to facesWSis the symbol of the declared level for short term water absorption absorption by partialimmersionWS(T)is the symbol of the declared level of short term water absorption by total immersionZis the symbol of the declared value for water vapour resistanceAbbreviated terms used in this standard:EPBis Expanded Perlite BoardITTis Initial Type Test4Requirements4.1GeneralProduct properties shall be assessed in accordance with clause 5. To comply with this standard, products shallmeet the requirements of 4.2, and the requirements of 4.3 as appropriate.NOTEInformation on additional properties is given in annex E.One test result on a product property is the average of the measured values on the number of test specimensgiven in Table 6.4.2For all applications4.2.1Thermal resistance and thermal conductivityThermal resistance and thermal conductivity shall be based upon measurements carried out in accordance withprEN 12667 or EN 12939 for thick products.
Page 8EN 13169:2001The thermal resistance and thermal conductivity shall be determined in accordance with annex A and annex C,and declared by the manufacturer according to the following:– the reference mean temperature shall be 10 C;– the measured values shall be expressed with three significant figures;– the thermal resistance, RD, shall always be declared. The thermal conductivity, D, shall be declared wherepossible;– the declared thermal resistance, RD, and thermal conductivity, D, shall be given as limit valuesrepresenting at least 90 % of the production, determined with a confidence level of 90 %;– the value of thermal conductivity, 90/90, shall be rounded upwards to the nearest 0,001 W/(mK) anddeclared as D in levels with steps of 0,001 W/(mK);– the declared thermal resistance, RD, shall be calculated from the nominal thickness, dN, and thecorresponding thermal conductivity, 90/90;– the value of thermal resistance, R90/90, when calculated from the nominal thickness, dN, and thecorresponding thermal conductivity, 90/90, shall be rounded downwards to the nearest 0,05 m2K/W, anddeclared as RD in levels with steps of 0,05 m2K/W;– the value of R90/90, for those products for which only thermal resistance is measured directly, shall berounded downwards to the nearest 0,05 m2K/W, and declared as RD in levels with steps of 0,05 m2K/W.4.2.2Length and widthLength, l, and width, b, shall be determined in accordance with EN 822. No test result shall deviate from thenominal values by more than the following:± 3 mmfor length and width not exceeding 1200 mm;± 5 mmfor length and width exceeding 1200 mm.In the case of bonded boards, the offset on the edges shall not exceed 3 mm.4.2.3ThicknessThickness, d, shall be determined in accordance with EN 823, using a load equal to 250 Pa. No test result shalldeviate from the nominal thickness, dN, by more than the corresponding tolerances given in Table 1.Table 1 – Thickness tolerancesDimensions in millimetresNominal thicknessdN
3535 < dN
7070 < dN
120dN > 120Tolerance± 1± 2± 3± 4This test shall not be performed when the tests described in D.2.7 are used.4.2.4SquarenessSquareness shall be determined in accordance with EN 824. The deviation from squareness on length andwidth, Sb, shall not exceed 3 mm/m.4.2.5FlatnessFlatness shall be determined in accordance with EN 825. The deviation from flatness, Smax, shall not exceed thefollowing:3 mmfor length and width not exceeding 1200 mm;
Page 9EN 13169:20015 mmfor length and width exceeding 1200 mm.4.2.6Bending strengthBending strength, b, shall be determined in accordance with EN 12089. For handling purpose, the bendingstrength of boards shall not be less than 300 kPa.NOTEThe requirement for handling applies to individual boards. In the case of multi-layered boards, it may be assumedthat the requirement is satisfied when each of the individual layers fulfills this requirement.4.2.7Dimensional stability under specified temperature and humidity conditionsDimensional stability under specified humidity conditions shall be determined in accordance with EN 1604. Thetest shall be carried out for 48 h at (23 ± 2) C and (90 ± 5) % relative humidity. The relative changes in length,l, and width, b, shall not exceed 0,5 %. The relative changes in thickness, d, shall not exceed 1 %.4.2.8Reaction to fireReaction to fire classification (Euroclasses) shall be determined in accordance with prEN 13501-1.4.3For specific applications4.3.1GeneralIf there is no requirement for a property described in 4.3 for a product in use, then the property does not need to bedetermined and declared by the manufacturer.4.3.2Dimensional stability under specified temperature and humidity conditionsDimensional stability under specified temperature conditions shall be determined in accordance with EN 1604.The test shall be carried out for 48 h exposure at (70 ± 2) C and (50 ± 5) % relative humidity. The relativechanges in length, l, and width, b, shall not exceed 0,5 %. The relative changes in thickness, d, shall notexceed 1 %.4.3.3Compressive stress or compressive strengthCompressive stress at 10 % deformation, 10, or the compressive strength, m, shall be determined inaccordance with EN 826. No test result for either the compressive stress at 10 % deformation, 10, or thecompressive strength, m, whichever is the smaller, shall be less than the value given in Table 2, for thedeclared level.Table 2 – Levels for compressive stress or compressive strengthLevelRequirementkPaCS(10\Y)100100CS(10\Y)125125CS(10\Y)150150CS(10\Y)200200CS(10\Y)300300CS(10\Y)450450CS(10\Y)700700CS(10\Y)800800
Page 10EN 13169:20014.3.4Deformation under specified load and temperatureDeformation in thickness under specified load and temperature conditions shall be determined in accordancewith EN 1605. The relative deformation in thickness, d, shall not exceed the values given in Table 3 for thedeclared level.Table 3 – Levels for deformation under specified compressive load and temperatureLevelRequirement%Test conditionsDLT(1)5 5Load : 20 kPaTemperature : (80 ± 1) CTime : (48 ± 1) hDLT(2)5 5Load : 40 kPaTemperature : (70 ± 1) CTime : (168 ± 1) hDLT(3)5 5Load : 80 kPaTemperature : (60 ± 1) CTime : (168 ± 1) h4.3.5Tensile strength perpendicular to facesTensile strength perpendicular to faces, mt, shall be determined in accordance with EN 1607, using theadditional provisions of 5.3.3. No test result shall be lower than 20 kPa.4.3.6Water absorption4.3.6.1Short-term water absorption by partial immersionShort-term water absorption by partial immersion, Wp, shall be determined in accordance with EN 1609.No test result shall exceed the declared value.4.3.6.2Short-term water absorption by total immersionShort-term water absorption by total immersion, Wst, shall be determined in accordance with 5.3.4. No test resultshall exceed the value, given in Table 4, for the declared level.Table 4 – Levels for water absorption by total immersionLevelRequirement%WS(T) 8 0,08WS(T) 6 0,06WS(T) 4 0,04WS(T) 2 0,024.3.7Bending strength at a constant spanBending strength at a constant span of 250 mm, bc, shall be determined in accordance with EN 12089. No testresult shall be lower than the value given in Table 5, for the declared level.
Page 11EN 13169:2001Table 5 – Levels for bending strength at constant spanLevelRequirementkPaBS(250)700 700BS(250)900 900BS(250)1100 1100BS(250)1300 13004.3.8Point loadPoint load at 2 mm deformation shall be determined in accordance with EN 12430 and declared in levels withsteps of 50 N. No test result shall be less than the declared level.4.3.9Compressive creepCompressive creep, Xct, and total thickness reduction, Xt, shall be determined after at least one hundred twentytwo days of testing at a declared compressive stress, c, given in steps of at least 1 kPa, and the resultextrapolated thirty times corresponding to ten years to obtain the declared levels in accordance with EN 1606.Compressive creep shall be declared in levels, i2, and the total thickness reduction shall be declared in levels, i1,with steps of 0,1 mm at the declared stress. No test result shall exceed the declared levels at the declared stress.NOTEReferring to the designation code CC(i1/i2 /y)c, according to clause 6, a declared level CC(2,5/2/10)100, as forexample, indicates a value not exceeding 2 mm for compressive creep and 2,5 mm for total thickness reduction afterextrapolation at 10 years (i.e. 30 times one hundred twenty two days of testing) under a declared stress of 100 kPa.4.3.10Water vapour transmissionWater vapour transmission properties shall be determined in accordance with EN 12086, and declared as thewater vapour diffusion resistance factor, , for homogeneous products and as the water vapour resistance, Z,for faced or non-homogeneous products. No test result of
shall be greater than the declared value and no testresult of Z shall be less than the declared value.In the absence of measurements, the water vapour diffusion resistance factor, , of expanded perlite products,either unfaced, or faced with a fabric with an open structure may be assumed to be equal to 5.4.3.11Release of dangerous substancesNOTESee annex ZA.5Test methods5.1SamplingTest specimens shall be taken from the same sample which shall be at least one full board.5.2ConditioningFor test specimens consisting of full boards, no conditioning is needed unless otherwise specified in the teststandard. In case of dispute, the test specimens shall be stored at (23 ± 2) C and (50 ± 5) % relative humidityfor at least 6 weeks prior to testing.When cut from boards, except for 5.3.2, test specimens shall be stored in an atm
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