SIST EN 13170:2009
(Main)Thermal insulation products for buildings - Factory made products of expanded cork (ICB) - Specification
Thermal insulation products for buildings - Factory made products of expanded cork (ICB) - Specification
This European Standard specifies the requirements for factory made products of expanded cork, which are used for the thermal insulation of buildings. The products are made with granulated cork agglomerated without additional binders and are delivered as boards without facings.
This European Standard describes product characteristics and includes procedures for testing, evaluation of conformity, marking, labelling and packaging.
Products covered by this European Standard are also used in prefabricated thermal insulation systems and composite panels; the performance of systems incorporating these products is not covered.
This European Standard does not specify the required level of a given property to be achieved by a product to demonstrate fitness for purpose in a particular application. The levels required for a given application are to be found in regulations or non conflicting standards.
Products with a declared thermal resistance lower than 0,25 m2K/W, at 10 °C, or a declared thermal conductivity greater than 0,060 W/(mK), at 10 °C, are not covered by this European Standard.
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 Produkte werden in der Form von Platten geliefert, mit und ohne Kaschierungen.
Diese Europäische Norm beschreibt die Stoffeigenschaften und enthält die Prüfverfahren und Festlegungen
für die Konformitätsbewertung, die Kennzeichnung, die Etikettierung und die Verpackung.
In dieser Europäischen 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 Europäische 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 Europäische Norm gilt nicht für Produkte, 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 liège expansé (ICB) - Spécification
La présente Norme européenne spécifie les exigences auxquelles doivent satisfaire les produits manufacturés en liège 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 européenne 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 couverts par la présente norme européenne sont également utilisés dans des systèmes d’isolation thermique et dans des panneaux composites préfabriqués ; la performance des systèmes incorporant ces produits n’y est pas définie.
La présente norme européenne 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 la température de 10 °C, est inférieure à 0,25 m².K/W ou dont la conductivité thermique déclarée, à la température de 10 °C, est supérieure à 0,060 W/(m.K) ne sont pas du domaine d’application de la présente norme européenne.
Toplotnoizolacijski proizvodi za stavbe - Proizvodi iz ekspandirane plute (ICB) - Specifikacija
General Information
Relations
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Toplotnoizolacijski proizvodi za stavbe - Proizvodi iz ekspandirane plute (ICB) - SpecifikacijaWärmedämmstoffe für Gebäude - Werkmäßig hergestellte Produkte aus expandiertem Kork (ICB) - SpezifikationProduits isolants thermiques pour le bâtiment - Produits manufacturés en liège expansé (ICB) - SpécificationThermal insulation products for buildings - Factory made products of expanded cork (ICB) - Specification91.100.60Thermal and sound insulating materialsICS:Ta slovenski standard je istoveten z:EN 13170:2008SIST EN 13170:2009en,de01-februar-2009SIST EN 13170:2009SLOVENSKI
STANDARDSIST EN 13170:2002/AC:2006SIST EN 13170:20021DGRPHãþD
SIST EN 13170:2009
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 13170November 2008ICS 91.100.60Supersedes EN 13170:2001
English 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 25 October 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 nationalstandards 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 notified 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, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2008 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 13170:2008: ESIST EN 13170:2009
EN 13170:2008 (E) 2 Contents Page Foreword .3 1 Scope .5 2 Normative references .5 3 Terms, definitions, symbols, units and abbreviated terms .7 4 Requirements . 10 5 Test methods . 16 6 Designation code . 18 7 Evaluation of conformity . 18 8 Marking and labelling . 19 9 Packaging and storage . 19 Annex A (normative)
Determination of the declared values of thermal resistance and
thermal conductivity . 20 Annex B (normative)
Factory production control . 22 Annex C (informative)
Examples for the determination of the declared values of thermal resistance and thermal conductivity for a product or product group . 26 Annex ZA (informative)
Clauses of this European Standard addressing the provisions of the EU Construction Products Directive. 29
Tables Table 1 — Classes for length tolerances . 11 Table 2 — Classes for width tolerances . 11 Table 3 — Classes for thickness tolerances . 11 Table 4 — Levels for compressive stress at 10 % deformation . 13 Table 5 — Levels for tensile strength perpendicular to faces . 13 Table 6 — Test methods, test specimens and specific conditions . 17 Table A.1 — Values for k for one sided 90 % tolerance interval with a confidence level of 90 % . 21 Table B.1 — Minimum product testing frequencies . 22 Table B.2 — Minimum product testing frequencies for the reaction to fire characteristics . 24 Table C.1 — λ test results . 26 Table C.2 — R test results . 27 Table ZA.1 — Relevant clauses for expanded cork and intended use . 30 Table ZA.2 — Systems of attestation of conformity . 31 Table ZA.3 — Assignment of evaluation of conformity tasks for products under system 1 . 32 Table ZA.4 — Assignment of evaluation of conformity tasks for products under system 3 or system 3 combined with system 4 for reaction to fire . 33
SIST EN 13170:2009
EN 13170:2008 (E) 3 Foreword This document (EN 13170:2008) 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 latest by May 2009, and conflicting national standards shall be withdrawn at the latest by May 2009. 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 has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EC Directive(s). For relationship with EC Directive(s), see informative Annex ZA, which is an integral part of this document. This document supersedes EN 13170:2001. This document is one of a series of standards for insulation products used in buildings, but 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 below as a “package” of documents. The package of standards comprises the following group of interrelated standards for the specifications of factory 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 SIST EN 13170:2009
EN 13170:2008 (E) 4 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 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, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. SIST EN 13170:2009
EN 13170:2008 (E) 5
1 Scope This European Standard specifies the requirements for factory made products of expanded cork, which are used for the thermal insulation of buildings. The products are made with granulated cork agglomerated without additional binders and are delivered as boards without facings. This European Standard specifies product characteristics and includes procedures for testing, evaluation of conformity, marking, labelling and packaging. Products covered by this European Standard are also used in prefabricated thermal insulation systems and composite panels; the performance of systems incorporating these products is not covered. This European Standard does not specify the required level of a given property to be achieved by a product to demonstrate fitness for purpose in a particular application. The levels required for a given application are to be found in regulations or non-conflicting standards. Products with a declared thermal resistance lower than 0,25 m2⋅K/W, at 10 °C, or a declared thermal conductivity greater than 0,060 W/(m⋅K), at 10 °C, are not covered by this European Standard. 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 (including any amendments) applies.
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 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 % 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 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 perpendicular to faces EN 1609, Thermal insulating products for building applications — Determination of short term water absorption by partial immersion SIST EN 13170:2009
EN 13170:2008 (E) 6 EN 12086:1997, Thermal insulating products for building applications — Determination of water vapour transmission properties 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 applications — Determination of behaviour under point load EN 12431, Thermal insulating products for building applications — Determination of thickness for floating floor insulating products EN 12667, Thermal performance of building materials and products — Determination of thermal resistance by means 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 by means of guarded hot plate and heat flow meter methods — Thick products of high and medium thermal resistance EN 13172:2008, Thermal insulating products — Evaluation of conformity1 EN 13501-1, Fire classification of construction products and building elements — Part 1: Classification using data from reaction to fire test EN 13823, Reaction to fire test for building products — Building products excluding floorings exposed to the thermal attack by a single burning item EN 29052-1, Acoustics — Determination of dynamic stiffness — Part 1: Materials used under floating floors in dwellings
EN 29053, Acoustics — Materials for acoustical applications - Determination of air flow resistance (ISO 9053:1991) EN ISO 354, Acoustics — Measurement of sound absorption in a reverberation room (ISO 354:2003) EN ISO 1182, Reaction to fire tests for building products — Non-combustibility test (ISO 1182:2002) EN ISO 1716, Reaction to fire tests for building products — Determination of the heat of combustion (ISO 1716:2002)
EN ISO 9229:2007, Thermal insulation — Vocabulary (ISO 9229:2007)
EN ISO 11654, Acoustics — Sound absorbers for use in buildings — Rating of sound absorption (ISO 11654:1997) EN ISO 11925-2, Reaction to fire tests — Ignitability of building products subjected to direct impingement of flame – Part 2: Single-flame source test (ISO 11925-2:2002) ISO 12491, Statistical methods for quality control of building materials and components
1 Under review SIST EN 13170:2009
EN 13170:2008 (E) 7 3 Terms, definitions, symbols, units and abbreviated terms 3.1 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1.1 Terms and definitions as given in EN ISO 9229:2007 3.1.1.1 cork protective layer of the cork oak tree (Quercus suber L.) which may be periodically removed from its trunk and branches to provide the raw material for cork products 3.1.1.2 granulated cork fragments of cork obtained by grinding and/or milling raw or manufactured cork NOTE Usually, the size of granules is between 4 mm and 22 mm. 3.1.1.3 expanded cork board (cork board) pre-formed product made from ground granulated cork expanded and bonded exclusively with its own natural binder exuded from cork cell walls by heating under pressure 3.1.1.4 board slab rigid or semi-rigid (insulation) product of rectangular shape and cross-section in which the thickness is uniform and substantially smaller than the other dimensions NOTE Boards are usually thinner than slabs. They may also be supplied in tapered form. 3.1.2 Additional terms and definitions 3.1.2.1 level given value which is the upper or lower limit of a requirement
NOTE The level is given by the declared value of the characteristic concerned. 3.1.2.2 class combination of two levels of the same property between which the performance shall fall 3.2 Symbols, units and abbreviated terms 3.2.1 Symbols and units used in this standard: αp is the practical sound absorption coefficient – αw is the weighted sound absorption coefficient – b is the width mm c is the compressibility mm d is the thickness under a load of (2,5 ± 0,5) kPa mm SIST EN 13170:2009
EN 13170:2008 (E) 8 dB is the thickness under a load of 2 kPa after removal of an additional load of 48 kPa mm dL is the thickness under a load of 250 Pa mm dN is the nominal thickness of the product mm dS is the thickness of the test specimen mm ∆εb is the relative change in width % ∆εd is the relative change in thickness % ∆εl is the relative change in length % ∆εs is the relative change in flatness mm/m ε is the deformation under specified compressive load and temperature mm εct is the compressive creep % εt is the total relative thickness reduction % Fp is the compressive force at critical point kN H is the moisture content % k is a factor related to the number of test results available – l is the length mm λ90/90 is the 90 % fractile with a confidence level of 90 % for the thermal conductivity W/(m⋅K) λD is the declared thermal conductivity W/(m⋅K) λi is one test result of thermal conductivity
W/(m⋅K) λmean is the mean thermal conductivity
W/(m⋅K) n is the number of test results
– R90/90 is the 90 % fractile with a confidence level of 90 % for the thermal resistance m2⋅K/W RD is the declared thermal resistance m2⋅K/W Ri is one test result of thermal resistance
m2⋅K/W Rmean is the mean thermal resistance
m2⋅K/W ρa is the apparent density kg/m3 Sb is the deviation from squareness on length and width mm/m Sd is the deviation from squareness on thickness mm Smax is the deviation from flatness mm sR is the estimate of the standard deviation of the thermal resistance m2⋅K/W sλ is the estimate of the standard deviation of the thermal conductivity W/(m⋅K) s′ is the dynamic stiffness MN/m3 σ10 is the compressive stress at 10 % deformation kPa σb is the bending strength kPa σc is the declared compressive stress (for compressive creep) kPa SIST EN 13170:2009
EN 13170:2008 (E) 9 σmt is the tensile strength perpendicular to faces kPa Wp is the short-term water absorption kg/m2 τ is the shear strength kPa Z is the water vapour resistance m2⋅h⋅Pa/mg AFri is the symbol of the declared level of air flow resistivity* APi is the symbol of the declared level of practical sound absorption coefficient* AWi is the symbol of the declared level of weighted sound absorption coefficient* CC(i1/i2 %,y) σc is the symbol of the declared level for compressive creep* CP is the symbol of the declared level for compressibility CS(1\y)i is the symbol of the declared level for compressive stress at 10 % deformation* DS(TH) is the symbol of the level for dimensional stability under specified temperature and humidity conditions DS(T+) is the symbol of the declared value for dimensional stability at specified temperature DLT is the symbol of the declared value for the deformation under specified load and temperature L is the symbol of the declared class for length tolerances PL(P) is the symbol of the declared level of point load at the critical point SDi is the symbol of the declared level for dynamic stiffness* Ti is the symbol of the declared class for thickness tolerances* TRi is the symbol of the declared level for tensile strength perpendicular to faces* W is the symbol of the declared class for width tolerances WS is the declared value for short term water absorption Zi is the symbol of the declared value for water vapour resistance* i is the symbol used in the designation code to indicate the relevant class or level of a declared property σc is the symbol used in the designation code to indicate the declared compressive stress for compressive creep y is the symbol used in the designation code to indicate the number of years for extrapolation (compressive creep) * "i” is the relevant class or level, "1c” is the compressive stress, and "y” is the number of years 3.2.2 Abbreviated terms used in this standard: ICB Expanded (Insulation) Cork Board ITT Initial Type Test RTF Reaction To Fire FPC Factory Production Control SIST EN 13170:2009
EN 13170:2008 (E) 10 4 Requirements 4.1 General Product properties shall be assessed in accordance with Clause 5. To comply with this standard, products shall meet 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 given in Table 6. 4.2 For all applications 4.2.1 Thermal resistance and thermal conductivity Thermal resistance and thermal conductivity shall be based upon measurements carried out in accordance with EN 12667 or EN 12939 for thick products. The thermal resistance and thermal conductivity shall be determined in accordance with procedures given in Annex A 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; for products of uniform thickness, the thermal resistance, RD, shall always be declared. The thermal conductivity, λD, shall be declared where possible. Where appropriate, for products of non-uniform thickness (e.g for sloped and tapered products) only the thermal conductivity, λD, shall be declared. the declared thermal resistance, RD, and the thermal conductivity, λD, shall be given as limit values representing at least 90 % of the production, determined with a confidence level of 90 %; the value of the thermal conductivity, λ90/90, shall be rounded upwards to the nearest 0,001 W/(m⋅K) and declared as λD in levels with steps of 0,001 W/(m⋅K); the declared thermal resistance, RD, shall be calculated from the nominal thickness, dN, and the corresponding thermal conductivity, λ90/90. the value of the thermal resistance, R90/90, when calculated from the nominal thickness, dN, and the corresponding thermal conductivity, λ90/90, shall be rounded downwards to the nearest 0,05 m2⋅K/W, and declared 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 be rounded downwards to the nearest 0,05 m2⋅K/W and declared as RD in levels with steps of 0,05 m2⋅K/W. Examples of determination of declared values of thermal resistance, RD, and thermal conductivity, λD, are given in Annex C. 4.2.2 Length and width Length, l, and width, b, shall be determined in accordance with EN 822. No test result shall deviate from the nominal values by more than the tolerances given in Table 1 and Table 2 for the declared classes. SIST EN 13170:2009
EN 13170:2008 (E) 11 Table 1 — Classes for length tolerances Class Tolerances mm L1 ± 3 L2 ± 5
Table 2 — Classes for width tolerances Class Tolerances mm W1 ± 2 W2 ± 3
NOTE The commonly linear dimensions of ICB boards are: Length:
1000 mm Width:
500 mm 4.2.3 Thickness Thickness, 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 given in Table 3 for the declared class. Table 3 — Classes for thickness tolerances Class Thickness Tolerances T1 20 mm ≤ d ≤ 50 mm ± 1 mm T2 d > 50 mm ± 2 %, maximum ± 2 mm
4.2.4 Squareness Squareness 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. 4.2.5 Flatness Flatness shall be measured according to EN 825. The deviation from flatness, Smax, shall not exceed 2 mm. 4.2.6 Dimensional stability 4.2.6.1 Dimensional stability under constant normal laboratory conditions Dimensional stability under constant normal laboratory conditions (23 °C/50 % relative humidity) shall be determined in accordance with EN 1603 after storage for 48 h. The relative changes in length, ∆εl, and width, ∆εb, shall not exceed 0,5 %; the relative deviation in flatness, ∆εs, shall not exceed 1 mm/m. SIST EN 13170:2009
EN 13170:2008 (E) 12 4.2.6.2 Dimensional stability under specified temperature and humidity conditions Dimensional stability under temperature and humidity conditions shall be determined in accordance with EN 1604.The test shall be carried out after storage for 48 h at (23 ± 2) °C and (90 ± 5) % relative humidity. The relative changes in length, ∆εl, and width, ∆εb, shall not exceed 0,5 %; the relative deviation from thickness, ∆εd, shall not exceed 1 %. This test shall not be performed when the more severe test described in 4.3.2.2 is used. 4.2.7 Bending strength Bending strength, σb, shall be determined in accordance with EN 12089, method B. For handling purposes, the bending strength shall not be lower than 130 kPa. 4.2.8 Reaction to fire Reaction to fire classification (Euroclasses) shall be determined in accordance with EN 13501-1. 4.2.9 Durability characteristics 4.2.9.1 General The appropriate durability characteristics have been considered and are covered in 4.2.9.2, 4.2.9.3 and 4.2.9.4. 4.2.9.2 Durability of reaction to fire against ageing/ degradation The reaction to fire performance of products of expanded cork does not change with time. 4.2.9.3 Durability of thermal resistance and thermal conductivity against ageing/ degradation The thermal conductivity of products of expanded cork does not change with time. This is covered by 4.2.1 Thermal conductivity, 4.2.2 Length and width and 4.2.6 Dimensional stability or 4.3.2 Dimensional stability. 4.2.9.4 Durability of compressive strength against ageing/degradation The durability of compressive strength is covered by 4.3.7 Compressive creep. 4.2.10 Moisture content Moisture content, H, shall be determined in accordance with EN 12105. The product shall be protected from rain during storage. Under these conditions, no test result shall exceed a mass fraction of 8 %. 4.2.11 Apparent density Apparent density, ρa, shall be determined in accordance with EN 1602. The product shall be protected from rain during storage. Under these conditions, no test result shall exceed 130 kg/m3. 4.3 For specific applications 4.3.1 General If there is no requirement for a property described in 4.3 for a product in use, then the property does not need to be determined and declared by the manufacturer. SIST EN 13170:2009
EN 13170:2008 (E) 13 4.3.2 Dimensional stability under specified conditions 4.3.2.1 Dimensional stability at specified temperature Dimensional stability at specified temperature shall be determined in accordance with EN 1604. The test shall be carried out after storage for 48 h at (70 ± 2) °C. The relative changes in length, ∆εl, and width, ∆εb, shall not exceed 0,5 %. The relative change in thickness, ∆εd, shall not exceed 1 %. 4.3.2.2 Dimensional stability under specified temperature and humidity conditions Dimensional stability under specified temperature and humidity conditions shall be determined in accordance with 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, ∆εl, and width, ∆εb, shall not exceed 0,5 %. The relative change in thickness, ∆εd, shall not exceed 1 %. 4.3.3 Deformation under specified compressive load and temperature Deformation under specified load and temperature conditions, ε, shall be carried out in accordance with EN 1605. No test result shall be greater than the declared level, DLT. 4.3.4 Compressive stress at 10 % deformation Compressive stress at 10 % deformation, σ10, shall be determined in accordance with EN 826. No test result shall be lower than the value given in Table 4 for the declared level. Table 4 — Levels for compressive stress at 10 % deformation Level Requirement kPa CS(10)90 ≥ 90 CS(10)100 ≥ 100 CS(10)110 ≥ 110
4.3.5 Tensile strength perpendicular to faces Tensile strength perpendicular to the faces, σmt, shall be determined in accordance with EN 1607. The value of tensile strength shall be declared in steps of 10 kPa. No test result shall be lower than the value given in Table 5 for the declared level. Table 5 — Levels for tensile strength perpendicular to faces Level Requirement kPa TR40 ≥ 40 TR50 ≥ 50 TR60 ≥ 60
SIST EN 13170:2009
EN 13170:2008 (E) 14 4.3.6 Point load Compressive force at the critical point, Fp, shall be determined in accordance with EN 12430 and declared in levels with steps of 50 N. No test result shall be lower than the declared level, PL(P). 4.3.7 Compressive creep Compressive creep, εct, and total relative thickness reduction, εt, shall be determined after at least one hundred twenty two days of testing at a declared compressive stress, σc, given in steps of at least 1 kPa, and the results extrapolated thirty times 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 0,5 % at the declared stress. No test result shall exceed the declared levels at the declared stress. NOTE
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