EN 14308:2009

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Toplotnoizolacijski proizvodi za opremo stavb in industrijske inštalacije - Proizvodi iz trde poliuretanske pene (PUR) in poliizocianuratne pene (PIR) - SpecifikacijaWärmedämmstoffe für die technische Gebäudeausrüstung und für betriebstechnische Anlagen in der Industrie - Werkmäßig hergestellte Produkte aus Polyurethan-Hartschaum (PUR) und Polyisocyanurat-Schaum (PIR) - SpezifikationProduits isolants thermiques pour l'équipement du bâtiment et les installations industrielles - Produits manufacturés de rigide polyuréthane (PUR) et en mousse polyisocyanurate (PIR) - SpécificationThermal insulation products for building equipment and industrial installations - Factory made rigid polyurethane foam (PUR) and polyisocyanurate foam (PIR) products - Specification91.100.60Thermal and sound insulating materialsICS:Ta slovenski standard je istoveten z:EN 14308:2009SIST EN 14308:2010en,de01-april-2010SIST EN 14308:2010SLOVENSKI
STANDARD
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 14308
November 2009 ICS 91.100.60 English Version
Thermal insulation products for building equipment and industrial installations - Factory made rigid polyurethane foam (PUR) and polyisocyanurate foam (PIR) products - Specification
Produits isolants thermiques pour l'équipement du bâtiment et les installations industrielles - Produits manufacturés en mousse rigide de polyuréthane (PUR) et en mousse polyisocyanurate (PIR) - Spécification
Wärmedämmstoffe für die technische Gebäudeausrüstung und für betriebstechnische Anlagen in der Industrie - Werkmäßig hergestellte Produkte aus Polyurethan-Hartschaum (PUR) und Polyisocyanurat-Schaum (PIR) - Spezifikation This European Standard was approved by CEN on 29 September 2009.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN Management Centre or to any CEN member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
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COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
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B-1000 Brussels © 2009 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 14308:2009: ESIST EN 14308:2010

Factory production control . 23 Annex B (normative)
Determination of minimum service temperature . 27 Annex C (normative)
Determination of the aged value of thermal conductivity and thermal resistance . 33 Annex D (informative)
Additional properties . 41 Annex ZA (informative)
Clauses of this European Standard addressing the provisions of the EU Construction Products Directive . 43 Bibliography . 51
Figures Figure B.1 — Dimensions of test specimens . 32Figure C.1 — Flow chart of the alternative ageing procedures . 34Figure ZA.1 — Example of CE marking information . 50Tables Table 1 — Dimensional tolerances . 12 Table 2 — Levels for dimensional stability . 13 Table 3 — Levels for compressive stress or compressive strength . 15 Table 4 — Test methods, test specimens and conditions. 18 Table A.1 — Minimum product testing frequencies . 23 Table A.2 — Minimum product testing frequencies for the reaction to fire characteristics . 25 Table C.1 — Increments for calculating the aged value of thermal conductivity . 36 Table C.2 — Increments for calculating the aged value of thermal conductivity Tmean = - 120 °C . 36 SIST EN 14308:2010

— Part 2: Single-flame source test (ISO 11925-2:2002) EN ISO 13787, Thermal insulating products for building equipment and industrial installations — Determination of declared thermal conductivity (ISO 13787:2003) 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. SIST EN 14308:2010

billet (insulation) product generally of rectangular cross-section and with a thickness not significantly smaller than the width NOTE In English, some industries define a large block as a billet. 3.1.1.2 board
slab (insulation) rigid or semi-rigid 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. 3.1.1.3 pipe section
section (insulation) product in the shape of a cylindrical annulus which may be split to facilitate application 3.1.1.4 lag
segment rigid or semi-rigid insulation product for application to large diameter cylindrical or spherical equipment 3.1.1.5 service temperature range temperature range between the maximum service temperature and the minimum service temperature (see 4.3.2 and 4.3.3) 3.1.2 Additional terms and definitions 3.1.2.1 rigid polyurethane foam (PU) family of rigid cellular plastic insulation products with a substantially closed cell structure including both polymer types based on PIR and PUR 3.1.2.2 PIR rigid cellular plastic insulation product with a substantially closed cell structure based on polymers mainly of polyisocyanurate groups 3.1.2.3 PUR rigid cellular plastic insulation product with a substantially closed cell structure based on polymers mainly of polyurethane groups NOTE Regarding the properties described in this standard PUR and PIR types are not distinguished between. 3.1.2.4 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. SIST EN 14308:2010

F is the symbol of the declared value for soluble fluoride ions MU is the symbol of the declared value for water vapour diffusion resistance factor NA is the symbol of the declared value for soluble sodium ions pH is the symbol of the declared value for the pH-value SI is the symbol of the declared value for soluble silicate ions ST(+) is the symbol of the declared level for maximum service temperature ST(–) is the symbol of the declared level for minimum service temperature WVT is the symbol of the declared level for water vapour transmission WVP is the symbol of the declared level for water vapour permanence WVPE is the symbol of the declared level for water vapour permeability Z is the symbol of the declared value for water vapour resistance 3.2.2 Abbreviated terms used in this standard PU is rigid PolyUrethane foam including PUR and PIR ITT is Initial Type Test ML is Manufacturer's Literature FPC is Factory Production Control SIST EN 14308:2010

D. One test result for a product property is the average of the measured values on the numbers of test specimens given in Table 4. 4.2 For all applications 4.2.1 Thermal resistance and thermal conductivity For flat specimens, the thermal conductivity shall be based upon measurements carried out in accordance with EN 12667 or EN 12939 for thick products. For cylindrical specimens, EN ISO 8497 shall be used as specified in Subclause 5.3.2. In both cases, the thermal conductivity values shall be determined by the manufacturer and verified in accordance with EN ISO 13787 and Annex C of this product standard. They shall be declared by the manufacturer according to measuring standards mentioned above, covering the product service temperature range. The following conditions apply:  the measured values shall be expressed with three significant figures;  the declared thermal conductivity curve shall be given as a limit curve, defined in EN ISO 13787;  the value of the declared thermal conductivity, λD, shall be rounded upwards to the nearest 0,001 W/(m · K);  the lowest reference mean test temperature required is - 170 °C. The declared equation/limit curve is the “declared reference” with three significant figures, that is to
0,000 1 W/(m.K) for λ values below 0,1 W/(m.K) and in 0,001 W/(m.K) for λ values above 0,1 W/(m.K). This shall be used as a reference for the verification of the declaration. When thermal conductivity is declared as a table derived from the equation, rounding upwards to the next 0,001 W/(m.K) has to be done for the full range of the thermal conductivity. NOTE Determinations of the declared thermal conductivity of pipe sections, following EN ISO 8497, having joints in the metering area, include the effects of these joints as defined in EN ISO 23993. 4.2.2 Dimensions and tolerances 4.2.2.1 Linear dimensions The length, l, width, b, and thickness, d, of boards shall be determined in accordance with EN 822 and EN 823. The length, l, thickness, d, and inside diameter, Di, of pipe sections, segments and prefabricated ware shall be determined in accordance with EN 13467. No test result shall deviate from the declared values by more than the tolerances given in Table 1. Products with a surface facing or natural skin shall be tested without removing them. SIST EN 14308:2010

5 mm ± 1,5 mm — Pipe section ± 3 mm — ± 2 mm – 0 mm + 2 mma
– 0 mm + 3 mmb Segments + 3 mm ± 2 mm ± 2 mm – 0 mm + 4 mm Prefabricated ware + 3 mm — ± 2 mm — a Applies to inside diameter less than 170 mm. b Applies to inside diameter of 170 mm and greater.
NOTE Smaller tolerances may be declared by the manufacturer. 4.2.2.2 Squareness Deviation from squareness, Sb, of boards and slabs shall be determined in accordance with EN 824. Deviation from squareness, v, of pipe sections shall be determined in accordance with EN 13467. For boards the deviation from squareness on length and width, Sb, shall not exceed 6 mm/m and the deviation from squareness on thickness, Sd, shall not exceed 2 mm. For pipe sections and segments the deviation from squareness, v, shall not exceed 3 mm. Products with a surface facing or natural skin shall be tested without removing them. 4.2.2.3 Flatness Deviation from flatness, Smax, shall be determined in accordance with EN 825. The deviation from flatness, Smax, shall not exceed 10 mm. Products with a surface facing or natural skin shall be tested without removing them. 4.2.2.4 Pipe section linearity Deviation from linearity, L, shall be determined for pipe sections in accordance with EN 13467. The deviation from linearity, L, shall not exceed 6 mm. Products with a surface facing or natural skin shall be tested without removing them. 4.2.3 Dimensional stability under specified conditions Dimensional stability under specified temperature and humidity conditions shall be determined in accordance with EN 1604; the tests, each on different sets of specimens, shall be carried out under the following test conditions: 1) (48 ± 1) h at (70 ± 2) °C and a relative humidity of (90 ± 5) %; 2) (48 ± 1) h at (- 20 ± 3) °C. SIST EN 14308:2010

4.2.4 Reaction to fire of the product as placed on the market Reaction to fire classification of the product, as placed on the market, shall be determined in accordance with EN 13501-1, and the basic Mounting and Fixing rules given in EN 15715:2009.
NOTE This classification is compulsory and always included in the CE Marking label. EN 13501-1:2007, Table 1, is applicable to products applied to flat surfaces or to curved surfaces with a diameter greater than 300 mm. If a flat product which has a classification according to EN 13501-1:2007, Table 1, is used in a linear application, it does not require further classification. EN 13501-1:2007, Table 3, is applicable for products applied on linear objects or with a diameter below or equal 300 mm. Detailed information about the test conditions and the field of application of the classification as stated in the reaction to fire classification report shall be given in the manufacturer’s literature. 4.2.5 Durability characteristics 4.2.5.1 General The appropriate durability characteristics have been considered and are covered in Subclauses 4.2.5.2, 4.2.5.3 and 4.2.5.4. 4.2.5.2 Durability of reaction to fire against ageing/degradation and high temperature The reaction to fire performance of PU products does not change with time or when subjected to the declared maximum service temperature. 4.2.5.3 Durability of thermal resistance against ageing/degradation Any change of the thermal conductivity is covered and considered for declaration by Subclause 4.2.1 and Annex C. SIST EN 14308:2010

5 % and the relative change in thickness, ∆εd, shall not exceed ± 2 %. The maximum service temperature, ST(+), shall be declared in levels with steps of 10 °C. The rate of increase of temperature shall be 50 °C/h. Pipe sections and prefabricated ware can be sawed or milled from flat boards or blocks. In this case the maximum service temperature should be determined only on flat boards, in accordance with EN 14706.
4.3.3 Minimum service temperature The minimum service temperature, ST(-), shall be declared in levels with steps of 10 °C. The minimum service temperature, ST(-), shall be determined in accordance with Annex B. If a minimum service temperature is declared by the manufacturer, the following physical properties have to be declared at + 20 °C and at the declared minimum service temperature and shall be confirmed by testing in accordance with European test standards: a) thermal conductivity as a function of the temperature; b) coefficient of thermal expansion as a function of the temperature; c) tensile strength and/or compressive strength and Young’s modulus as a function of the temperature. Using these temperature-dependent physical data, the suitability of any specific insulation can be estimated at a given low operational temperature for industrial installations in relation to application-related design features. A low operational temperature can be below the minimum service temperature. Minimum service temperature within the scope of the standard, but above 0 °C need not be tested. At the minimum service temperature, ST(–), the relative changes in length, ∆εl, and width, ∆εb, shall not exceed 2 % and the relative change in thickness, ∆εd, shall not exceed 2 %. The factor ‘f’ as defined in Clause B.9 shall be > 1,5 where required (service temperature < - 150 °C, as reported in Clause B.9) NOTE Factor f qualifies the resistance of the product to cracking due to thermal stress. SIST EN 14308:2010

4.3.4.2 Point load The effects of point loads shall be assessed by means of the determination of compressive stress or compressive strength in accordance with EN 826 (see Subclause 4.3.4.1). 4.3.4.3 Compressive creep Compressive creep (relative), 0ct and relative deformation, 0t shall be determined after at least one hundred and 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 corresponding to at least 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 0,5 % at the declared stress. No test result shall exceed the declared levels at the declared stress. SIST EN 14308:2010

NOTE 1 Examples for declaration of levels for compressive creep. Level Test time Extrapolation timeDeclared stressRequirement
days years kPa % CC (i1/i2/10) σc 122 10 σc i1,i2
CC (i1/i2/25) σc 304 25 σc i1,i2 CC (i1/i2/50) σc 608 50 σc i1,i2
NOTE 2 Referring to the designation code CC(i1/i2/y)σc, according to Clause 6, a declared level (CC(3/2/25)40, for example, indicates a value not exceeding 2 % for compressive creep and 3 % for total thickness reduction after extrapolation at twenty-five years (i.e. thirty times three hundred and four days of testing) under a declared stress of 40 kPa. 4.3.5 Water vapour diffusion resistance Water vapour transmission properties shall be determined in accordance with EN 12086 and declared as the water vapour diffusion resistance factor, MU, for homogeneous products and the water vapour resistance, Z, for faced or non-homogeneous products. No test result shall be less than the declared value for the water vapour diffusion resistance factor, MU, and for the water vapour resistance Z. Alternatively, for the declaration of water vapour transmission properties, the values quoted in EN ISO 10456 may be used. NOTE The manufacturer can declare the water vapour transmission as given in Subclauses 8.2, 8.3 or 8.5 of EN 12086 instead of the water vapour diffusion resistance factor if needed. In this case the MU must be replaced by WVT, WVP or WVPE respectively in the designation code as given in Clause 6. If values are declared in accordance with this note the test results shall not be higher than the declared values. 4.3.6 Water absorption 4.3.6.1 Long-Term Long-term water absorption by total immersion, Wlt, shall be determined in accordance with EN 12087. No test result shall exceed the declared value. 4.3.6.2 Short-Term Short-term water absorption by partial immersion, WP, shall be determined in accordance with EN 1609. No test result shall exceed the declared value. 4.3.7 Closed cell content Closed cell content (corrected), ψ0, shall be determined in accordance with EN ISO 4590. Surface facings or natural skins shall be removed. No test result shall be less than 90 %. 4.3.8 Trace quantities of water soluble ions and the pH-value Trace quantities of water soluble chloride, fluoride, silicate and sodium ions and the pH-value shall be determined in accordance with EN 13468. The manufacturer shall declare one or more as appropriate as levels in mg per kg of product, and the pH-value as levels in steps of 0,5. For chloride and fluoride no test SIST EN 14308:2010

4.2.1 Thermal conductivity EN 12667 EN ISO 8497 See 1 b or
EN 12667 or EN 12939
EN 12939 4.2.2
4.2.2.1
Dimensions and tolerances
length and width EN 822 EN 13467 Full size 1 — Thickness EN 823 EN 13467 Full size 1 — inside diameter
EN 13467 Full size 1 — 4.2.2.2 Squareness EN 824 EN 13467 Full size 1 — 4.2.2.3 Flatness EN 825 — Full size 1 — 4.2.2.4 Pipe section linearity — EN 13467 Full size 1 — 4.2.3 Dimensional stability under specified conditions EN 1604 — 200 × 200 × 25 or product thickness 3 b 4.2.4 Reaction to fire See EN 13501-1 for mounting and fixing see EN 15715:2009
4.3.2 Maximum service temperature EN 14706 EN 14707 100 × 100 × 50
For pipe sections see EN 14707 1 b,c 4.3.3 Minimum service temperature Annex C — Annex C 2h b,d 4.3.4.1 Compressive stress or compressive strength EN 826 — 50 × 50 × 50 or product thickness 3 b
EN 826 50 × 50 × 50 or product thickness 3 e 4.3.4.2 Point load See Subclause 4.3.4.2 — — — — 4.3.4.3 Compressive creep EN 1606 — 50 × 50 or 100 × 100 2 e 4.3.5 Water vapour transmission EN 12086 — See Subclause 6.1 in EN 12086 3 b
Table 4 (continued) Clause Test method Test specimen dimensionsa Minimum number of measurements to get one test Specific conditions No. Title Flat Cylindrical result
4.3.6.1 Long Term Water absorption EN 12087 — 200 x 200
4.3.6.2 Short Term Water absorption EN 1609 — 200 x 200
4.3.7 Closed cell content EN ISO 4590 —
g 3
4.3.8 Trace quantities of water soluble ions and the pH-value EN 13468 — — 3 7,5 g 4.3.9 Release of dangerous substancesf
4.3.10 Continuous glowing combustion
f f
a Always full size product thickness unless specified. b Test with specimen thickness in direction of foam rise. c If the manufacturer's declared maximum service temperature is lower than that given by the test, the manufacturer's value shall be
used. d If the manufacturer's declared minimum service temperature is higher than that given by the test, the manufacturer's value shall be
used. e Test with specimen thickness in direction of right angles to foam rise. f Not yet available. g Size depending on used method of EN ISO 4590. h Number of measurement will be 1 if procedure B.9 applies. SIST EN 14308:2010

5.3.2 Thermal conductivity For flat test specimens, thermal conductivity shall be determined in accordance with EN 12667 or EN 12939 for thick products. For cylindrical test specimens, thermal conductivity shall be determined in accordance with EN ISO 8497. The tests in accordance with EN ISO 8497 may be replaced by tests in accordance with EN 12667 or
EN 12939, provided it has been demonstrated that the results give safe (higher) values. (This means that for PUR/PIR products the measurement of the thermal conductivity shall be performed in the rise direction of the product.) The thermal conductivity shall be determined for the full service temperature range of the product. For factory production control see Annex A. For the construction of the thermal conductivity curve from the minimum to the maximum service temperature, the test sample shall be aged and conditioned in accordance with Annex C. An alternative procedure is to calculate the curve using the information contained in Clause C.4 (fixed increments). Initial measurements at + 10 °C shall be taken for determination of the statistical variation and this statistical variation shall be used over the whole temperature range for the declaration of the thermal conductivity curve. The thermal conductivity shall be determined directly at the measured thickness. If this is not possible, it shall be determined by measurements on other thicknesses of the product providing that:  the product is of similar chemical and physical characteristics and is produced on the same production unit/line;  and it can be demonstrated in accordance with EN 12939 that the thermal conductivity, λ, does not vary more than 2 % over the range of thicknesses where the calculation is applied. 5.3.3 Reaction to Fire The tests shall be carried out in accordance with the rules given in EN 13501-1. Rules for mounting and fixing are given in EN 15715:2009. Annex A of EN 15715:2009 gives tables for product and installation parameters for flat products and pipe insulation products as placed on the market. Installation parameters for standardized assemblies are only given for flat products. 6 Designation code A designation code for the product shall be given by the manufacturer. The following shall be included except when there is no requirement for a property described in Subclause 4.3: The polyurethane abbreviated term PU This European Standard number EN 14308 Maximum service temperature ST(+)i Minimum service temperature ST(–)i Dimensional stability DS(TH)i Compressive stress or compressive strength CS(10\Y)i Compressive creep CC(i1/i2/y) σc SIST EN 14308:2010
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