EN 13442:2023

SLOVENSKI STANDARD
01-junij-2023
Nadomešča:
SIST EN 13442:2013
Lesene in parketne talne obloge ter leseni stenski in stropni opaži - Ugotavljanje
odpornosti proti kemijskim snovem
Wood and parquet flooring and wood panelling and cladding - Determination of the
resistance to chemical agents
Holz- und Parkettfußböden und Wand- und Deckenbekleidungen aus Holz - Bestimmung
der chemischen Widerstandsfähigkeit
Planchers et parquets en bois et lambris et bardages en bois - Determination de la
résistance aux agents chimiques
Ta slovenski standard je istoveten z: EN 13442:2023
ICS:
79.080 Polizdelki iz lesa Semi-manufactures of timber
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 13442
EUROPEAN STANDARD
NORME EUROPÉENNE
April 2023
EUROPÄISCHE NORM
ICS 79.080 Supersedes EN 13442:2013
English Version
Wood and parquet flooring and wood panelling and
cladding - Determination of the resistance to chemical
agents
Planchers et parquets en bois et lambris et bardages en Holz- und Parkettfußböden und Wand- und
bois - Determination de la résistance aux agents Deckenbekleidungen aus Holz - Bestimmung der
chimiques chemischen Widerstandsfähigkeit
This European Standard was approved by CEN on 3 March 2023.

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-CENELEC 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-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye 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
© 2023 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 13442:2023 E
worldwide for CEN national Members.

Contents Page
European foreword . 3
Introduction . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Principle . 6
5 Test pieces and test specimens . 7
5.1 Dimensions . 7
5.2 Sampling . 7
6 Equipment and materials . 8
6.1 Apparatus . 8
6.1.1 Conditining . 8
6.1.2 Diffused light source . 8
6.2 Test equipment . 8
6.3 Chemical agents . 8
6.3.1 Test agents . 8
6.3.2 Cleaning agents . 10
7 Procedure. 10
7.1 Test pieces and test specimen . 10
7.2 Chemical test . 10
8 Examination of the test piece . 11
8.1 Rating code . 11
8.2 Procedure. 11
9 Expression of results . 11
9.1 For each test area . 11
9.2 For each test agent . 11
10 Test report . 12
Bibliography . 13

European foreword
This document (EN 13442:2023) has been prepared by Technical Committee CEN/TC 175 “Round and
sawn timber”, the secretariat of which is held by AFNOR.
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 October 2023, and conflicting national standards shall
be withdrawn at the latest by October 2023.
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 supersedes EN 13442:2013.
The main changes compared to the previous edition are listed below:
— 3.6 and 3.7, new definitions;
— 6.1.2, light sources has been modified;
— 6.2, Test equipment has been modified;
— Table 1, test agent has been modified;
— Table 2, has been added;
— 8.2, Procedure has been clarified;
— 9.3, has been deleted;
— Figure 2, has been deleted.
Any feedback and questions on this document should be directed to the users’ national standards body.
A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organisations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia,
Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland,
Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of North
Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and the United
Kingdom.
Introduction
This document is one of a series of standards about wood floorings (including parquet) and wood
panelling and cladding.
1 Scope
This document specifies a test method to determine the resistance of the surface of an element of wood
flooring, panelling and cladding, to a predetermined list of chemical agents they may be exposed to during
their service life.
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 13756, Wood flooring and parquet - Terminology
3 Terms and definitions
For the purposes of this document, the terms and definitions given in EN 13756 and the following apply.
ISO and IEC maintain terminology databases for use in standardization at the following addresses:
— IEC Electropedia: available at https://www.electropedia.org/
— ISO Online browsing platform: available at https://www.iso.org/obp
3.1
test piece
part, of a size suitable for testing, taken from an element
3.2
test specimen
either a full element or an assembly of elements to be tested
3.3
test surface
part of the test piece, where the test area is located
Note 1 to entry: For products made from small elements the test piece can be the same as the test specimen.
3.4
test area
area under the Petri dish
3.5
reference area
any unexposed surface of the test specimen close to the test area but outside the Petri dish
3.6
film-forming coating
coating that forms a continuous, perceivable and measurable film on a wood surface
Note 1 to entry: A continuous coating film can be produced in planed surfaces of coniferous wood species (e.g.
spruce, pine and larch) and ring porous hardwood species (e.g. oak, ash and elm) above a dry film thickness of
approximately 20 μm. On diffuse-porous hardwood species (e.g. maple, beech and birch) lower dry film thicknesses
can result in continuous coating films.
Note 2 to entry: On structured surfaces the dry film thickness can be up to 30 μm.
[SOURCE: ISO 5323:2019, 3.47, modified —adding note 2 to entry]
3.7
non-film-forming coating
coating which does not form a continuous physical film
Note 1 to entry: Oiled and waxed surfaces or combinations of both with a thickness of the dry coating
film < 20 µm are examples for non-film-forming coatings.
4 Principle
A liquid test agent impregnating a saturated paper is laid on a surface, which is then covered by a glass
Petri dish. After a specified period of time, removal of the paper, washing and drying of the surface and
examination for visible change. Assessment of the test results in terms of a numerical rating code.
5 Test pieces and test specimens
5.1 Dimensions
A test piece shall have a minimum size of 80 mm by 80 mm by the thickness of the element, see Figure 1.
Dimensions in millimetres
Key
1 test surface
2 test area
3 Petri dish
l ≥ 80 + 60 (n - 1) mm, minimum distance between the edge and the next test area(s) according to the
number of test areas
l2 20 mm, minimum distance between any test area and the edge or another test area
n number of test areas
Figure 1 — Dimensions of a test piece
If the size of the element delivered by the manufacturer does not allow the cutting of a test piece, a test
specimen shall be assembled in accordance with the manufacturer's specification, which allows to cut the
necessary test pieces.
5.2 Sampling
Three test pieces or test specimens shall be tested for each agent to be applied.
6 Equipment and materials
6.1 Apparatus
6.1.1 Conditining
If a conditioning system is available, the following climate shall be used:
— temperature  (23 ± 2) °C;
— relative humidity (50 ± 5) %.
6.1.2 Diffused light source
This source provides evenly diffused light, giving an illumination on the test area of between
(1 200 ± 400) Ix.
The light source should have a correlated colour temperature of (6 500 ± 50) K and an R (colour
a
rendering index) greater than 92, by using a colour matching booth in accordance with EN ISO 3668.
6.2 Test equipment
6.2.1 Pieces of cellulose filter paper with a diameter of (25 ± 2) mm to apply each of the test agents,
2 2
free of dyes and of chemicals, with a grammage of 400 g/m to 500 g/m .
6.2.2 Glass Petri dishes with ground edges and without lips, external diameter between 40 mm and
60 mm.
6.2.3 Pair of tweezers.
6.2.4 Absorbent paper or tissue, with good absorbent properties, free of dyes and of chemicals.
6.2.5 White, soft, absorbent cotton cloths.
6.2.6 Vessels for containing test agents during soaking of filter paper.
6.3 Chemical agents
6.3.1 Test agents
The test agents for film-forming coatings are listed in Table 1. The test agents for non-film-forming
coating are listed in Table 2.
...