CEN/TR 17304:2018

SLOVENSKI STANDARD
01-marec-2019
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Construction products - Assessment of release of dangerous substances - Determination
of emissions into indoor air of ammonia from cellulose insulation at 90 % RH
Bauprodukte - Bewertung der Freisetzung gefährlicher Stoffe - Bestimmung der
Ammoniakemissionen von Zellulosedämmstoffen bei einer relativen Luftfeuchtigkeit von
90%
Produits de construction - Évaluation de l'émission de substances dangereuses -
Détermination des émissions d'ammoniac dans l'air intérieur provenant des isolants
cellulosiques à 90 % HR
Ta slovenski standard je istoveten z: CEN/TR 17304:2018
ICS:
13.020.99 Drugi standardi v zvezi z Other standards related to
varstvom okolja environmental protection
91.100.60 0DWHULDOL]DWRSORWQRLQ Thermal and sound insulating
]YRþQRL]RODFLMR materials
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

CEN/TR 17304
TECHNICAL REPORT
RAPPORT TECHNIQUE
November 2018
TECHNISCHER BERICHT
ICS 91.100.60
English Version
Construction products - Assessment of release of
dangerous substances - Determination of emissions into
indoor air of ammonia from cellulose insulation at 90 %
RH
Produits de construction - Évaluation de l'émission de Bauprodukte - Bewertung der Freisetzung gefährlicher
substances dangereuses - Détermination des émissions Stoffe - Bestimmung der Ammoniakemissionen von
d'ammoniac dans l'air intérieur provenant des isolants Zellulosedämmstoffen bei einer relativen
cellulosiques à 90 % HR Luftfeuchtigkeit von 90%

This Technical Report was approved by CEN on 5 November 2018. It has been drawn up by the Technical Committee CEN/TC
351.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2018 CEN All rights of exploitation in any form and by any means reserved Ref. No. CEN/TR 17304:2018 E
worldwide for CEN national Members.

Contents Page
European foreword . 4
Introduction . 5
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 6
3.1 Terms relating to sampling and products . 6
3.2 Terms relating to emissions into indoor air and associated laboratory testing . 7
3.3 Terms relating to determination of emitted substances . 9
4 Intended conditions of use, emission scenarios and European reference room . 9
4.1 Intended conditions of use and emission scenario . 9
4.2 Reference room and emission scenario . 9
4.2.1 General . 9
4.2.2 Dimensions and loading factors in the reference room . 10
4.2.3 Ventilation in the reference room. 11
4.2.4 Climate conditions in the reference room . 11
4.3 Time schedule of emission(s) determination . 11
5 Product sampling and transport to the laboratory . 11
6 Handling of product samples in the laboratory . 12
6.1 Storage of sample in the testing laboratory . 12
6.2 Preparation of the test specimen . 12
7 Test chamber conditions . 12
7.1 Principles . 12
7.2 Dimensions of test specimen . 13
7.3 Loading factor . 13
7.4 Ventilation . 13
7.5 Air velocity . 13
7.6 Cleanliness of test chamber . 13
7.7 Testing climate (temperature, relative humidity of supply air) . 13
7.8 Storage of test specimen . 14
7.9 Large products . 14
7.10 Volume of test chamber . 14
7.11 Placement of test specimen in test chamber . 14
8 Determination of ammonia in test chamber air . 15
9 Calculation of specific emission rates and expression of results at the reference
room . 15
10 Reporting for the reference method . 17
10.1 General . 17
10.2 Sampling . 17
10.3 Handling of samples in the laboratory, preparation of test specimen . 17
10.4 Test chamber conditions . 17
10.5 Determination of ammonia in test chamber air . 17
11 Indirect methods . 18
Annex A (informative) Examples of indirect methods (also called simplified, screening,
secondary, derived or alternative methods) . 19
A.1 General . 19
A.2 Indirect methods‐emissions testing . 19
Bibliography . 20

European foreword
This document (CEN/TR 17304:2018) has been prepared by Technical Committee CEN/TC 351
“Construction products: Assessment of release of dangerous substances”, the secretariat of which is held
by NEN.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document has been prepared under a standardization request given to CEN by the European
Commission and the European Free Trade Association.
Introduction
This document was developed under the remit of Commission Regulation (EU) 2016/1017 of
23 June 2016 amending Annex XVII to Regulation (EC) No 1907/2006 of the European Parliament and of
the Council concerning the Registration, Evaluation, Authorization and Restriction of Chemicals (REACH)
as regards inorganic ammonium salts [1].
This document is derived from the horizontal standard EN 16516 [2] which specifies the horizontal
reference method for testing the emission (release) of dangerous substances from construction products
into indoor air.
This method uses a test chamber in which emissions are generated under conditions which are kept
constant during the test.
1 Scope
This document specifies a method for the determination of emissions of ammonia from cellulose
insulation products into indoor air at 90 % relative humidity (RH). It is based on the use of an emission
test chamber and subsequent analysis of ammonia in test chamber air.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements 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 16687, Construction products - Assessment of release of dangerous substances - Terminology
3 Terms and definitions
For the purposes of this document, the terms and definitions given in EN 16687 and the following apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at https://www.iso.org/obp
3.1 Terms relating to sampling and products
3.1.1
laboratory sample
sample or sub-sample(s) sent to or received by the laboratory
Note 1 to entry: The laboratory sample is the final sample from the point of view of sample collection but it is the
initial sample from the point of view of the laboratory.
[SOURCE: IUPAC, 2.5.5 [3]]
3.1.2
population
totality of products under consideration
[SOURCE: adapted from ISO 11074:2005, 4.1.11 as in CEN/TR 16220:2011, 2.4.3 [4]]
3.1.3
sample
representative portion of product or material selected from a larger quantity of product or material
[SOURCE: IUPAC, 2.1.1 [3]]
3.1.4
sampling plan
predetermined procedure for the selection, withdrawal, preservation and transportation of product
samples
[SOURCE: CEN/TR 16220:2011, 2.3 [4]]
3.1.5
scale
minimum quantity (mass, volume or units) of the product for which representative test results can be
obtained
[SOURCE: CEN/TR 16220:2011, 2.4.4 [4]]
3.2 Terms relating to emissions into indoor air and associated laboratory testing
3.2.1
air change rate
ratio of the volume of air brought into the test chamber per hour and the volume of the empty test
chamber
−1
Note 1 to entry: Air change rate is expressed as h .
[SOURCE: adapted from EN ISO 16000-9:2006+AC:2007, 3.1 [5]]
3.2.2
air flow rate ventilation rate
air volume entering into the emission test chamber per unit of time
[SOURCE: adapted from EN ISO 16000-9:2006+AC:2007, 3.2 [5]]
3.2.3
chamber blank value
test result obtained by carrying out the test procedure in the absence of a test portion/specimen
3.2.4
emission
liberation of chemical substances (ammonia) from a construction product (cellulose insulation product)
into air
3.2.5
emission test chamber
enclosure with controlled operational parameters for the determination of vapour phase organic
compounds emitted from construction products
[SOURCE: adapted from EN ISO 16000-9:2006+AC:2007, 3.6 [5]]
3.2.6
emission test chamber concentration
mass concentration of ammonia in test chamber air measured at the emission test chamber outlet
[SOURCE: EN ISO 16000-9:2006+AC:2007, 3.7 [5]]
3.2.7
intended conditions of use
conditions that a product is expected to experience during service life and that influence its emission
behaviour
3.2.8
mass concentration of the compound in the reference room air
calculated concentration of ammonia in the reference room
3.2.9
product loading factor
ratio of exposed dimension of the test specimen to the empty test chamber volume
[SOURCE: adapted from EN ISO 16000-9:2006+AC:2007, 3.8 [5]]
3.2.10
product coverage
ratio of mass of the insulation product per unit area
[SOURCE: adapted from EN 15101-1:2013, 3.1.7 [6]]
3.2.11
reference room
room with specified dimensions, climate and ventilation used as a reference for calculating and reporting
product emissions, assuming inert surfaces
Note 1 to entry: In EN 16516:2017 [2], a reference room is specified in 4.2.
Note 2 to entry: The reference room serves as a convention and is a model that does not represent a real room.
3.2.12
specific air flow rate
q
ratio of air change rate and product loading factor
Note 1 to entry: Specific air flow rate can be expressed as the area specific air flow rate qA, equivalent to ratio of
3 2
the air flow rate and the surface area of the test specimen in [m /m *h], which is equivalent to the expression [m/h].
3 3
Note 2 to entry: Specific air flow rates can alternatively be volume specific (q expressed in m /(m *h)), length
v
3 3
specific (q expressed in m /(m*h)), mass specific (q expressed in m /(kg*h)), or unit specific (q expressed in
L m u
m /(unit*h)).
[SOURCE: adapted from EN ISO 16000-9:2006+AC:2007, 3.4 [5]]
3.2.13
specific emission rate SER (emission factor)
mass of ammonia per unit of product per unit of time at a given time from the start of the test
Note 1 to entry: This definition is intended to avoid confusion between the terms q (in 3.1.2.13) and qx with a
subscript (qA, qL, qv, qm, qu used for specific air flow rate in EN ISO 16000-9). The specific emission rate can be
2 3
related to area, length, volume, mass or unit, expressed as SERA in µg/(m *h), SERL in µg/(m*h), SERV in µg/(m *h),
SERm in µg/(kg*h), or SERU expressed in µg/(u*h).
[SOURCE: adapted from EN ISO 16000-9:2006+AC:2007, 3.11 [5]]
3.2.14
test portion
quantity or volume removed from the test sample for analysis purposes, generally of known weight, area
or volume
[SOURCE: IUPAC, 2.5.7 [3]]
3.2.15
test sample
sample, prepared from the laboratory sample from which test portions are removed for testing or for
analysis
[SOURCE: IUPAC, 2.5.6 [3]]
3.2.16
test specimen
test portion specially prepared for emission testing in an emission test chamber in order to simulate the
emission behaviour of the product under testing conditions
[SOURCE: adapted from EN ISO 16000-9:2006+AC:2007, 3.13 [5]]
3.3 Terms relating to determination of emitted substances
3.3.1
limit value
numerical limit derived from national, European or contractual provisions
4 Intended conditions of use, emission scenarios and European reference room
4.1 Intended conditions of use and emission scenario
The intended conditions of use describe the purpose, place and circumstances of typical application(s) of
a construction product as defined in a product standard. This includes the intended use, (e.g. for what
purpose, how the product typically is installed, etc.), and an emission scenario.
When determining emission into indoor air, the emission scenario specifies the climate and ventilation
conditions of the air surrounding the product in the reference room. The actual condition(s) of use in
reality may be different. It is not possible to evaluate emissions under all possible use scenarios.
Therefore, this document specifies a set of conditions, such that all cellulose insulation products can be
evaluated under comparable conditions.
These defined conditions assume a standardized installation of the product in the reference room with
standardized dimensions, climate and ventilation.
4.2 Reference room and emission scenario
4.2.1 General
In this document, only one reference room and one set of conditions are specified and used as
conventional references for any specification of emission rates and any calculation of the related
concentrations of ammonia in indoor air.
If any piece of legislation or a particular application of the test requires a different reference room then
the results may be transformed by calculations within the ranges where such calculations are valid
(see Clause 7 and Clause 9).
The reference room serves as a convention and is a model that does not represent a real room.
4.2.2 Dimensions and loading factors in the reference room
The dimensions of the reference room are listed below:
— the walls are 2,5 m high;
— floor and ceiling both measure 3 m × 4 m resulting in surfaces of 12 m each;
— there is one door of 0,8 m (width) × 2 m (height) (1,6 m );
— there is one window of 2 m .
2 3
The total wall area (minus door and window) is 31,4 m . The total air volume is 30 m .
Using those dimensions, following loading factors (L) in the reference room are calculated, depending on
the product types:
2 3
— 1,0 m /m – walls;
2 3
— 0,4 m /m – floor, ceiling;
Products standards or European Assessment Documents (EAD) relevant for cellulose insulation products
do not specify loading factors L, using these reference room dimensions.
Cellulose insulation products can be used in open blow applications, which are horizontal applications
where the final surface of the installed products remains uncovered (e.g. in attics), or in cavity
applications where the installed insulation product is created in an enclosed space (e.g. frame wall, floor,
etc.).
For the characterization of ammonia emissions from cellulose insulation products, two loading factors
(L) can be used:
2 3
— 1,0 m /m – walls: for applications corresponding to wall insulation;
2 3
— 0,4 m /m – floor, ceiling; for application to floor, ceiling or attics insulation.
If a cellulose insulation product can be used for both wall and floor or ceiling applications, it should be
2 3
tested with the highest loading factor: L = 1, 0 m /m .
Depending on the thermal conductivity (λD, in W/m.K) and on the density of the insulation product (k, in
kg/m ), the producer declares a range of minimal insulation thicknesses corresponding to the range of
declared thermal resistances (R, in m .K/W).
For a relevant comparison of product emissions, testing should be performed under one specified
condition of installed product thickness and density. Three specific testing conditions are described
below for open blow applications and cavity applications.
For open blow applications, testing conditions specified in the restriction report [7] for which the
emission limit value has been determined are recommended:
— density = 40 kg/m ;
— product thickness = 0,30 m.
This results in an installed product coverage of 12 kg/m .
Depending on the product characteristics declared by cellulose insulation producers, those values
correspond to a thermal resistance in the range 7,00 – 8,00 m .K/W.
For cavity applications, testing conditions specified below are recommended:
— density = 50 kg/m ;
— product thickness = 0,25 m.
This results in an installed product coverage of 12,5 kg/m .
Depending on the product characteristics declared by cellulose insulation producers, t
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