SIST EN 13170:2002

Thermal insulation products for buildings - Factory made products of expanded cork (ICB) - Specification

This European Standard specifies the requirements for factory made products from expanded cork, agglomerated without additional binders, which are used for the thermal insulation of buildings. The products are delivered in the form of boards, with or without facings. The standard describes product characteristics and gives the test methods and procedures for marking, labelling and packaging. Products covered by this European Standard are also used in thermal insulation systems and composite panels; the structural performance of systems incorporating these products is not covered.

Wärmedämmstoffe für Gebäude - Werkmäßig hergestellte Produkte aus expandiertem Kork (ICB) - Spezifikation

Diese Europäische Norm legt die Anforderungen für werkmäßig hergestellte Produkte aus expandiertem, ohne zusätzliche Bindemittel gebundenem Kork fest, die für die Wärmedämmung von Gebäuden benutzt werden. Die Product werden in der Form von Platten geliefert, mit und ohne Kaschierungen. Diese Norm beschreibt die Stoffeigenschaften und enthält die Prüfverfahren und Festlegungen für die Konformitätsbewertung, die Kennzeichnung, die Etikettierung und die Verpackung. In dieser Norm beschriebene Produkte werden auch in vorgefertigten Wärmedämmsystemen und Mehrschicht-Verbundplatten 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 erreichen 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 Produkt, deren Nennwert des Wärmedurchlasswiderstandes niedriger als 0,25 m2 . K/W ist oder deren Nennwert der Wärmeleitfähigkeit größer als 0,060 W/(m.K) bei 10°C ist.

Produits isolants thermiques pour le bâtiment - Produits manufacturés en liege expansé (ICB) - Spécification

La présente Norme européenne spécifie les exigences auxquelles doivent satisfaire les produits manufacturés en liege expansé utilisés pour l'isolation thermique des bâtiments. Les produits sont agglomérés sans addition de liants et sont livrés sous forme de panneaux, avec ou sans parements.
La présente norme décrit les caractéristiques du produit et inclut les procédures d'essai, d'évaluation de la conformité, de marquage, d'étiquetage et d'emballage.
Les produits du domaine d'application de la présente norme sont également utilisés dans des systemes d'isolation thermique et dans des panneaux composites préfabriqués; la performance des systemes incorporant 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 sont aptitude a l'emploi dans une application particuliere. Les niveaux requis pour une application donnée figurent dans les réglementations ou normes non conflictuelles.
Les produits dont la résistance thermique déclarée, a une température de 10 °C, est inférieure a 0,25 m2 K/W ou dont la conductivité thermique déclarée, a une température de 10 °C, est supérieure a 0,060 W/(m K) ne sont pas du domaine d'application de la présente norme.

Toplotnoizolacijski proizvodi za stavbe - Proizvodi iz ekspandirane plute (ICB) - Specifikacija

General Information

• Status: Withdrawn
• Publication Date: 28-Feb-2002
• Withdrawal Date: 08-Jan-2009
• ICS: 91.100.60 - Thermal and sound insulating materials
• Technical Committee: IGFI - Construction physics
• Current Stage: 9900 - Withdrawal (Adopted Project)
• Start Date: 07-Jan-2009
• Due Date: 30-Jan-2009
• Completion Date: 09-Jan-2009
• Directive: 89/106/EEC - Construction products
• Mandate: M/103 - Mandate to CEN/CENELEC concerning the execution of standardization work for harmonized standards on thermal insulating products
• Ref Project: EN 13170:2001 - Thermal insulation products for buildings - Factory made products of expanded cork (ICB) - Specification

Relations

• Corrected By: SIST EN 13170:2002/AC:2006 - Thermal insulation products for buildings - Factory made products of expanded cork (ICB) - Specification
• Effective Date: 01-May-2006
• Replaced By: SIST EN 13170:2009 - Thermal insulation products for buildings - Factory made products of expanded cork (ICB) - Specification
• Effective Date: 01-Feb-2009

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 cork (ICB) - SpecificationToplotnoizolacijski proizvodi za stavbe - Proizvodi iz ekspandirane plute (ICB) - SpecifikacijaProduits isolants thermiques pour le bâtiment - Produits manufacturés en liege expansé (ICB) - SpécificationWärmedämmstoffe für Gebäude - Werkmäßig hergestellte Produkte aus expandiertem Kork (ICB) - Spezifikation91.100.60Thermal and sound insulating materialsICS:SIST EN 13170:2002enTa slovenski standard je istoveten z:EN 13170:200101-marec-2002SIST EN 13170:2002SLOVENSKI
STANDARD







EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 13170May 2001ICS 91.100.60English versionThermal insulation products for buildings - Factory madeproducts of expanded cork (ICB) - SpecificationProduits isolants thermiques pour le bâtiment - Produitsmanufacturés en liège expansé (ICB) - SpécificationWärmedämmstoffe für Gebäude - Werkmäßig hergestellteProdukte aus expandiertem Kork (ICB) - 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 13170:2001 E



Page 2EN 13170:2001ContentsPageForeword.31Scope.42Normative references.43Terms, definitions, symbols, units and abbreviated terms.54Requirements.75Test methods.126Designation code.147Evaluation of conformity.148Marking and labelling.159Packaging and storage.15Annex A.16(normative)
Determination of the declared values of thermal resistance and thermal conductivity.16Annex B.18(normative)
Factory production control.18Annex C.21(informative)
Examples for the determination of the declared values of thermal resistance and thermalconductivity for a product or product group.21Annex ZA.23(informative)
Clauses of this European Standard addressing the provisions of the EU Construction ProductsDirective.23TablesTable 1 - Classes for length tolerances.8Table 2 - Classes for width tolerances.8Table 3 - Classes for thickness tolerances.8Table 4 - Levels for compressive stress at 10 % deformation.10Table 5 - Levels for tensile strength perpendicular to faces.10Table 6 - Test methods, test specimens and specific conditions.13Table A.1 - Values for k for one-sided 90% tolerance interval with a confidence level of 90 %.17Table B.1 - Minimum product testing frequencies.18Table B.2 - Minimum product testing frequencies for the reaction to fire characteristics.19Table C.1 -
test results.21Table C.2 – R test results.22Table ZA.1 - Relevant clauses.24Table ZA.2.1 – Systems of attestation of conformity of factory made products for any intended use.25Table ZA.2.2 – Systems of attestation of conformity of factory made products for uses subject to regulationson reaction to fire.26Table ZA.3 – Example CE marking information.28



Page 3EN 13170:2001ForewordThis European Standard has been prepared by 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 identicaltext or by endorsement, at the latest by November 2001, and conflicting national standards shall be withdrawnat the latest by March 2003.This European Standard has been prepared under a mandate given to CEN by the European Commissionand the 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 four annexes:Annex A (normative)
–
Determination of the declared values of thermal resistance and thermalconductivity;Annex B (normative)
–
Factory production control;Annex C (informative)
–
Examples for the determination of the declared values of thermal resistanceand thermal conductivity for a product or a product group;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 may beused in other areas where appropriate.In pursuance of Resolution BT 20/1993 revised, CEN/TC 88 have proposed defining the standards listedbelow as a «package» of European Standards, setting (21 months after availability) as the date of withdrawal(dow) of national standards which conflict with the European Standards of this package.The package of standards comprises the following group of interrelated standards for the specifications of factorymade 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 products (PUR)– 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.According 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.



Page 4EN 13170:20011ScopeThis European Standard specifies the requirements for factory made products of expanded cork, which are usedfor the thermal insulation of buildings. The products are made with granulated cork agglomerated withoutadditional binders and are delivered as boards without facings.The standard describes product characteristics and includes procedures for testing, evaluation of conformity,marking, labelling and packaging.Products covered by this standard are also used in prefabricated thermal insulation 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 0,25 m2.K/W, at 10 C, or a declared thermalconductivity greater than 0,060 W/(mK), at 10 C, are not covered by this standard.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 ISO 354:1993/A1, Acoustics – Measurement of sound absorption in a reverberation room - Amendment 1:Test specimen mountings for sound absorption tests (ISO 354:1985/AMD 1:1997).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 test for building products – Non-combustibility test (ISO/DIS 1182:1998).EN 1602, Thermal insulating products for building applications - Determination of apparent density.EN 1603, Thermal insulating products for building applications - Determination of dimensional stability underconstant normal laboratory conditions (23 °C/50 % relative humidity).EN 1604, Thermal insulating products for building applications - Determination of dimensional stability underspecified temperature and humidity conditions.EN 1605, Thermal insulating products for building applications - Determination of deformation under specifiedcompressive 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 strengthperpendicular to faces.EN 1609, Thermal insulating products for building applications - Determination of short term water absorptionby partial immersion.prEN ISO 1716, Reaction to fire test for building products – Determination of calorific value (ISO/DIS1716:1998).prEN ISO 9229, Thermal insulation - Definitions of terms (ISO/DIS 9229:1997).EN ISO 11654, Acoustics - Sound absorbers for use in buildings - Rating of sound absorption (ISO11654:1997).



Page 5EN 13170:2001prEN ISO 11925-2, Reaction to fire test for building products – Part 2: Ignitability when subject to directimpingement of flame (ISO/DIS 11925-2:1998).EN 12086, Thermal insulating products for building applications - Determination of water vapour transmissionproperties.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 12105, Resilient floor coverings - Determination of moisture content of agglomerated composition cork.EN 12430, Thermal insulating products for building application – Determination of the behaviour under point load.EN 12431, Thermal insulating products for building applications – Determination of thickness for floating floorinsulation 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 thermal resistance.EN 13172:2001, Thermal insulating products - Evaluation of conformity.prEN 13501-1, Fire classification of construction products and building elements – Part 1: Classification usingtest data from reaction to fire test.prEN 13820, Thermal insulating products for building applications – Determination of organic content.prEN 13823, Reaction to fire test 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 9052-1:1989).EN 29053, Acoustics - Determination of air flow resistance (ISO 5053:1991).ISO 12491, Statistical methods for quality control of building materials and components.3Terms, definitions, symbols, units and abbreviated terms3.1Terms and definitionsFor the purposes of this standard, the following terms and definitions apply.3.1.1Terms and definitions as given in prEN ISO 92293.1.1.1corkprotective layer of the cork oak tree (Quercus suber L.) which may be periodically removed from its trunk andbranches to provide the raw material for cork products3.1.1.2granulated corkfragments of cork obtained by grinding and/or milling raw or manufactured corkNOTE
Usually, the size of granules is between 4 mm and 22 mm.3.1.1.3expanded cork board (cork board)pre-formed product made from ground granulated cork expanded and bonded exclusively with its own naturalbinder exuded from cork cell walls by heating under pressure3.1.1.4board; slabrigid or semi-rigid (insulation) product of rectangular shape and cross-section in which the thickness is uniformand substantially smaller than the other dimensionsNOTE
Boards are usually thinner than slabs. They may also be supplied in tapered form.



Page 6EN 13170:20013.1.2Additional terms and definitions3.1.2.1levelthe given value which is the upper or lower limit of a requirement. The level is given by the declared value ofthe characteristic concerned3.1.2.2classA combination of two levels of the same property between which the performance shall fall3.2
Symbols, units and abbreviated termsSymbols and units used in this standard:pis the practical sound absorption coefficient-wis the weighted sound absorption coefficient-bis the widthmmcis the compressibilitymmdis the thickness under a load of (2,5 ± 0,5) kPammdBis the thickness under a load of 2 kPa after removal of an additional loadof 48 kPammdLis the thickness under a load of 250 PammdNis the nominal thickness of the productmmdSis the thickness of the test specimenmmbis the relative change in width%dis the relative change in thickness%lis the relative change in length%sis the relative change in flatnessmm/mis the deformation under specified compressive load and temperaturemmctis the compressive creep%tis the total relative thickness reduction%Fpis the compressive force at critical pointkNHis the moisture content%kis a factor related to the number of test results available–lis the lengthmm90/90is the 90 % fractile with a confidence level of 90 % for the thermalconductivityW/(mK)Dis the declared thermal conductivityW/(mK)iis one test result of thermal conductivityW/(mK)meanis the mean thermal conductivityW/(mK)nis the number of test results–R90/90is the 90 % fractile with a confidence level of 90 % for the thermalresistancem2K/WRDis the declared thermal resistancem2K/WRiis one test result of thermal resistancem2K/WRmeanis the mean thermal resistancem2K/Wais the apparent densitykg/m3Sbis the deviation from squareness on length and widthmm/mSdis the deviation from squareness on thicknessmmSmaxis 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/m310is the compressive stress at 10 % deformationkPabis the bending strengthkPacis the declared compressive stress (for compressive creep)kPamtis the tensile strength perpendicular to faceskPaWpis the short-term water absorptionkg/m²is the shear strengthkPaZis the water vapour resistancem2hPa/mg



Page 7EN 13170:2001AFis the symbol of the declared level of air flow resistanceAPis the symbol of the declared level of practical sound absorption coefficientAWis the symbol of the declared level of weighted sound absorption coefficientCC(i1 /i2 %,y) cis the symbol of the declared level for compressive creepCPis the symbol of the declared level for compressibilityCS(10)is the symbol of the declared level for compressive stress at 10%deformationDS(TH)is the symbol of the level for dimensional stability under specifiedtemperature and humidity conditionsDS(T+)is the symbol of the declared value for dimensional stability at specifiedtemperatureDLTis the symbol of the declared value for the deformation under specified loadand temperatureLis the symbol of the declared class for length tolerancesPL(P)is the symbol of the declared level of point load at the critical pointSDis the symbol of the declared level for dynamic stiffnessTis the symbol of the declared class for thickness tolerancesTRis the symbol of the declared level for tensile strength perpendicular to facesWis the symbol of the declared class for width tolerancesWSis the declared value for short term water absorptionZis the symbol of the declared value for water vapour resistanceiis the symbol used in the designation code to indicate the relevant class orlevel of a declared propertycis the symbol used in the designation code to indicate the declaredcompressive stress for compressive creepyis the symbol used in the designation code to indicate the number of yearsfor extrapolation (compressive creep)Abbreviated terms used in this standard:ICBis Expanded (Insulation) Cork 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 of 4.3, as appropriate.One test result for a product property is the average of the measured values on the number of test specimens givenin 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.The thermal resistance and thermal conductivity shall be determined in accordance with procedures given in annexA and declared by the manufacturer according to the following:



Page 8EN 13170:2001– the reference mean temperature shall be 10 ºC;– 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 the 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 the 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 the 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 m2 K/W, anddeclared as RD in levels with steps of 0,05 m2 K/W;– the value of R90/90, for those products for which only the thermal resistance is measured directly, shall berounded downwards to the nearest 0,05 m2 K/W and declared as RD in levels with steps of 0,05 m2K/W.Examples of determination of declared values of thermal resistance, RD, and thermal conductivity, D, are givenin annex C.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 tolerances given in Table 1 and Table 2 for the declared classes.Table 1 - Classes for length tolerancesClassTolerancesmmL1± 3L2± 5Table 2 - Classes for width tolerancesClassTolerancesmmW1± 2W2± 3NOTE
The commonly linear dimensions of ICB boards are:Length: 1000 mmWidth:
500 mm4.2.3ThicknessThickness, d, shall be determined in accordance with EN 823, method B.2, under a pressure of(2,5 ± 0,5) kPa. No test result shall deviate from the nominal thickness, dN, by more than the tolerances givenin Table 3 for the declared class.Table 3 - Classes for thickness tolerancesClassThicknessTolerancesT120 mm d ± 1 mmT2d > 50 mm± 2 %, maximum ± 2 mm



Page 9EN 13170:20014.2.4SquarenessSquareness shall be determined in accordance with EN 824. The deviation from squareness on length and width,Sb, shall not exceed 4 mm/m. The deviation from squareness on thickness, Sd, shall not exceed 2 mm.4.2.5FlatnessFlatness shall be measured according to EN 825. The deviation from flatness, Smax, shall not exceed 2 mm.4.2.6Dimensional stability4.2.6.1
Dimensional stability under constant normal laboratory conditionsDimensional stability under constant normal laboratory conditions (23 C/50 % relative humidity) shall bedetermined in accordance with EN 1603 after storage for 48 h. The relative changes in length, l, and width,b, shall not exceed 0,5 %; the relative deviation in flatness, s, shall not exceed 1 mm/m.4.2.6.2
Dimensional stability under specified temperature and humidity conditionsDimensional stability under temperature and humidity conditions shall be determined in accordance with EN1604.The test shall be carried out after storage for 48 h at (23 ± 2) C and (90 ± 5) % relative humidity. Therelative changes in length, l, and width, b, shall not exceed 0,5 %; the relative deviation from thickness,d, shall not exceed 1 %.This test shall not be performed when the more severe test described in 4.3.2.2 is used.4.2.7Bending strengthBending strength, b, shall be determined in accordance with EN 12089, method B. For handling purposes,the bending strength shall not be lower than 130 kPa.4.2.8Reaction to fireReaction to fire classification (Euroclasses) shall be determined in accordance with prEN 13501-1.4.2.9Moisture contentMoisture content, H, shall be determined in accordance with EN 12105. The product shall be protected fromrain during storage. Under these conditions, no test result shall exceed a mass fraction of 8 %.4.2.10 Apparent densityApparent density, a, shall be determined in accordance with EN 1602. The product shall be protected fromrain during storage. Under these conditions, no test result shall exceed 130 kg/m3.4.3For 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 tobe determined and declared by the manufacturer.4.3.2Dimensional stability under specified conditions4.3.2.1
Dimensional stability at specified temperatureDimensional stability at specified temperature shall be determined in accordance with EN 1604. The test shall becarried ou
after storage for 48 h at (70 ± 2) C. The relative changes in length, l, and width, b, shall notexceed 0,5 %. The relative change in thickness, d, shall not exceed 1 %.4.3.2.2 Dimensional stability under specified temperature and humidity conditionsDimensional stability under specified temperature and humidity conditions shall be determined in accordancewith EN 1604. The test shall be carried out after storage for 48 h at (70 ± 2) °C and (90 ± 5) % relative humidity.The relative changes in length, l, and width, b, shall not exceed 0,5 %. The relative change in



Page 10EN 13170:2001thickness, d, shall not exceed 1 %.4.3.3Deformation under specified compressive load and temperatureDeformation under specified load and temperature conditions, , shall be carried out in accordance with EN1605. No test result shall be greater than the declared level, DLT.4.3.4Compressive stress at 10 % deformationCompressive stress at 10 % deformation, 10, shall be determined in accordance with EN 826. No test resultshall be lower than the value given in Table 4 for the declared level.Table 4 - Levels for compressive stress at 10 % deformationLevelRequirementkPaCS(10)90CS(10)100CS(10)1104.3.5Tensile strength perpendicular to facesTensile strength perpendicular to the faces, mt, shall be determined in accordance with EN 1607. The value oftensile strength shall be declared in steps of 10 kPa. No test result shall be lower than the value given in Table 5for the declared level.Table 5 - Levels for tensile strength perpendicular to facesLevelRequirementkPaTR40TR50TR604.3.6Point loadCompressive force at the critical point, Fp, shall be determined in accordance with EN 12430 and declared inlevels with steps of 50 N. No test result shall be lower than the declared level, PL(P).4.3.7Compressive creepCompressive creep, ct, and total relative thickness reduction, t, shall be determined after at least onehundred twenty two days of testing at a declared compressive stress, c, given in steps of at least 1 kPa, andthe results extrapolated thirty times to obtain the declared levels in accordance with EN 1606. Compressivecreep shall be declared in levels, i2, and the total thickness reduction shall be declared in levels, i1, with
steps of0,5 % at the declared stress. No test result shall exceed the declared levels at the declared stress.NOTE 1
Examples for declaration of levels for compressive creep:LevelTest timedaysExtrapolation timeyearsDeclared stresskPaRequirement%CC(i 1/ i2 %/10)c12210ci 1/ i2
iCC(i1/ i2 %/25)c30425ci 1/ i2
iCC(i1/ i2 %/50)c60850ci 1/ i2
iNOTE 2
Referring to the designation code CC(i1/i2/y)c, clause 6, a declared level CC(2,5/2/10)50, as for example,indicates a value not exceeding 2 % for compressive creep and 2,5 % for total relative thickness reduction afterextrapolation at 10 years (i.e. 30 times one hundred twenty two days of testing) under a declared stress of 50 kPa.



Page 11EN 13170:20014.3.8Shear strengthShear strength, , shall be determined in accordance with EN 12090. No test result shall be lower than 50 kPa.4.3.9Water absorptionShort-term water absorption
...