SIST EN 438-2:2016+A1:2019
(Amendment)High-pressure decorative laminates (HPL) - Sheets based on thermosetting resins (usually called laminates) - Part 2: Determination of properties
High-pressure decorative laminates (HPL) - Sheets based on thermosetting resins (usually called laminates) - Part 2: Determination of properties
This European Standard specifies the methods of test for determination of the properties of high-pressure decorative laminates as defined in Clause 3. These methods are primarily intended for testing the sheets specified in EN 438-3, EN 438-4, EN 438-5, EN 438-6, EN 438-8, and EN 438-9.
The precision of the test methods, specified in this European Standard, is not known because inter-laboratory data are not yet available. When inter-laboratory data will be obtained, precision statements will be added to the test method at the following revision. For those test methods having an end point determination based on subjective judgement, it is not meaningful to make a statement of precision.
Dekorative Hochdruck-Schichtpressstoffplatten (HPL) - Platten auf Basis härtbarer Harze (Schichtpressstoffe) - Teil 2: Bestimmung der Eigenschaften
Diese Europäische Norm legt die Prüfverfahren für die Bestimmung der Eigenschaften der im Abschnitt 3 de¬finierten dekorativen Hochdruck-Schichtpressstoffplatten (HPL) fest. Diese Verfahren sind vorzugsweise zur Prüfung der Schichtpressstoffplatten bestimmt, die in EN 438 3, EN 438 4, EN 438 5, EN 438 6, EN 438 8 und EN 438 9 beschrieben werden.
Die Präzision des Prüfverfahrens, welches in dieser Europäischen Norm festgelegt ist, ist nicht bekannt, da noch keine Daten aus Ringversuchen zur Verfügung stehen. Sobald Daten aus Ringversuchen vorliegen, werden in der folgenden Überarbeitung Angaben zur Präzision des Prüfverfahrens ergänzt. Für alle übrigen Prüfverfahren, die eine Festlegung des Endpunktes umfassen, die auf einer subjektiven Einschätzung beruht, ist es nicht sinnvoll, in diesen Fällen eine Aussage zur Präzision zu machen.
Stratifiés décoratifs haute pression (HPL) - Plaques à base de résines thermodurcissables (communément appelées stratifiés) - Partie 2: Détermination des propriétés
La présente Norme européenne spécifie les méthodes d’essai pour la détermination des caractéristiques des plaques de stratifiés décoratifs haute pression définies à l’Article 3. Ces méthodes sont principalement destinées à la réalisation des essais sur les plaques spécifiées dans les EN 438-3, EN 438-4, EN 438-5, EN 438-6, EN 438-8 et EN 438-9.
La fidélité des méthodes d’essai, spécifiées dans la présente Norme européenne, n’est pas connue faute de données interlaboratoires. Lorsque des données interlaboratoires auront été obtenues, des états de fidélité seront ajoutés à la méthode d’essai dans une prochaine révision. Pour ces méthodes d’essai fondées sur une appréciation subjective du résultat final, il n’est pas significatif d’établir un état de fidélité dans ces cas.
Dekorativni visokotlačni laminati (HPL) - Plošče na osnovi duromernih smol - 2. del: Ugotavljanje lastnosti
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SLOVENSKI STANDARD
SIST EN 438-2:2016+A1:2019
01-marec-2019
Dekorativni visokotlačni laminati (HPL) - Plošče na osnovi duromernih smol - 2.
del: Ugotavljanje lastnosti
High-pressure decorative laminates (HPL) - Sheets based on thermosetting resins
(usually called laminates) - Part 2: Determination of properties
Dekorative Hochdruck-Schichtpressstoffplatten (HPL) - Platten auf Basis härtbarer Harze
(Schichtpressstoffe) - Teil 2: Bestimmung der Eigenschaften
Stratifiés décoratifs haute pression (HPL) - Plaques à base de résines
thermodurcissables (communément appelées stratifiés) - Partie 2: Détermination des
propriétés
Ta slovenski standard je istoveten z: EN 438-2:2016+A1:2018
ICS:
83.140.20 Laminatne plošče Laminated sheets
SIST EN 438-2:2016+A1:2019 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST EN 438-2:2016+A1:2019
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SIST EN 438-2:2016+A1:2019
EN 438-2:2016+A1
EUROPEAN STANDARD
NORME EUROPÉENNE
December 2018
EUROPÄISCHE NORM
ICS 83.140.20
English Version
High-pressure decorative laminates (HPL) - Sheets based
on thermosetting resins (usually called laminates) - Part 2:
Determination of properties
Stratifiés décoratifs haute pression (HPL) - Plaques à Dekorative Hochdruck-Schichtpressstoffplatten (HPL)
base de résines thermodurcissables (communément - Platten auf Basis härtbarer Harze (Schichtpressstoffe)
appelées stratifiés) - Partie 2: Détermination des - Teil 2: Bestimmung der Eigenschaften
propriétés
This amendment A1 modifies the European Standard EN 438-2:2016; it was approved by CEN on 5 October 2018.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for inclusion of
this amendment into the relevant 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 amendment 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, 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. EN 438-2:2016+A1:2018 E
worldwide for CEN national Members.
---------------------- Page: 3 ----------------------
SIST EN 438-2:2016+A1:2019
EN 438-2:2016+A1:2018 (E)
Contents Page
European foreword . 10
1 Scope . 11
2 Normative references . 11
3 Terms and definitions . 12
4 Assessment of appearance . 12
4.1 Principle . 12
4.2 Apparatus . 12
4.3 Test specimen. 12
4.4 Procedure . 12
4.5 Test report . 13
5 Determination of thickness . 13
5.1 Principle . 13
5.2 Apparatus . 13
5.3 Test specimen. 13
5.4 Procedure . 13
5.5 Test report . 14
6 Determination of length and width . 14
6.1 Principle . 14
6.2 Apparatus . 14
6.3 Test specimen. 14
6.4 Procedure . 14
6.5 Expression of results . 14
6.6 Test report . 14
7 Determination of edge straightness . 15
7.1 Principle . 15
7.2 Apparatus . 15
7.3 Test specimen. 15
7.4 Procedure . 15
7.5 Expression of results . 15
7.6 Test report . 16
8 Determination of edge squareness . 16
8.1 Principle . 16
8.2 Apparatus . 16
2
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SIST EN 438-2:2016+A1:2019
EN 438-2:2016+A1:2018 (E)
8.3 Test specimen .16
8.4 Procedure .16
8.5 Expression of results .17
8.6 Test report .17
9 Determination of flatness .17
9.1 Principle .17
9.2 Apparatus .17
9.3 Test specimens .18
9.4 Procedure .18
9.5 Expression of results .18
9.6 Test report .18
10 Resistance to surface wear .18
10.1 Principle .18
10.2 Materials.18
10.3 Apparatus .19
10.3.1 Abrasion resistance testing machine .19
10.4 Test specimens .21
10.5 Preparation of specimens and abrasive paper.21
10.6 Procedure .21
10.6.1 Preparation of abrasive wheels .21
10.6.2 Calibration of abrasive paper .21
10.6.3 Abrasion of specimen .21
10.7 Expression of results .22
10.8 Test report .22
11 Resistance to abrasion (flooring grade laminates) .23
12 Resistance to immersion in boiling water .23
12.1 Principle .23
12.2 Apparatus .23
12.3 Test specimens .23
12.4 Procedure .24
12.5 Expression of results .24
12.5.1 Calculation .24
12.5.2 Surface rating scale .25
12.5.3 Edge rating scale .25
12.6 Test report .25
13 Substrate protection against water vapour .25
3
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SIST EN 438-2:2016+A1:2019
EN 438-2:2016+A1:2018 (E)
13.1 Principle . 25
13.2 Apparatus . 26
13.3 Test specimens. 26
13.4 Procedure . 26
13.5 Expression of results . 27
13.6 Test report . 27
14 Resistance to water vapour . 27
14.1 Principle . 27
14.2 Apparatus . 28
14.3 Test specimen. 28
14.4 Procedure . 28
14.5 Expression of results . 28
14.6 Test report . 28
15 Resistance to wet conditions (Exterior grade laminates) . 30
15.1 Principle . 30
15.2 Apparatus . 30
15.3 Test specimens. 30
15.4 Procedure . 30
15.5 Expression of results . 30
15.5.1 Calculation . 30
15.5.2 Visual examination . 31
15.6 Test report . 31
16 Resistance to dry heat . 32
16.1 Principle . 32
16.2 Apparatus and materials . 32
16.3 Test specimen. 34
16.4 Test procedure . 34
16.5 Examination of the test specimen . 34
16.6 Expression of results . 34
16.7 Test report . 35
17 Dimensional stability at elevated temperature . 35
17.1 Principle . 35
17.2 Apparatus . 35
17.3 Test specimens. 36
17.4 Procedure . 36
17.5 Expression of results . 36
4
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SIST EN 438-2:2016+A1:2019
EN 438-2:2016+A1:2018 (E)
17.6 Test report .37
18 Resistance to wet heat .37
18.1 Principle .37
18.2 Apparatus and materials .38
18.3 Test specimens .38
18.4 Procedure .39
18.5 Expression of results .39
18.6 Test report .40
19 Resistance to climatic shock (exterior grade laminates) .40
19.1 Principle .40
19.2 Apparatus .40
19.3 Test specimens .41
19.4 Procedure .41
19.5 Expression of results .42
19.5.1 Flexural strength and modulus of elasticity in flexure .42
19.5.2 Appearance .42
19.6 Test report .42
20 Resistance to impact by small-diameter ball .42
20.1 Principle .42
20.2 Materials.43
20.3 Apparatus .43
20.4 Test specimens .46
20.5 Calibration of the impact tester .46
20.6 Procedure .47
20.7 Expression of results .48
20.8 Test report .48
21 Resistance to impact by large diameter ball .48
21.1 Principle .48
21.2 Materials.49
21.3 Apparatus .49
21.4 Test specimens .49
21.5 Procedure .49
21.6 Expression of results .51
21.7 Test report .52
22 Resistance to impact by large diameter ball (flooring grade laminates) .52
22.1 Principle .52
5
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SIST EN 438-2:2016+A1:2019
EN 438-2:2016+A1:2018 (E)
22.2 Materials . 52
22.3 Apparatus . 52
22.4 Test specimens. 53
22.5 Procedure . 53
22.6 Expression of results . 53
22.7 Test report . 53
23 Resistance to cracking under stress (laminates ≤ 2 mm thick) . 54
23.1 Principle . 54
23.2 Apparatus . 54
23.3 Test specimens. 54
23.4 Procedure . 56
23.5 Expression of results . 56
23.6 Test report . 57
24 Resistance to crazing (Compact laminates) . 58
24.1 Principle . 58
24.2 Apparatus . 58
24.3 Test specimens. 58
24.4 Procedure . 58
24.5 Expressi
...
SLOVENSKI STANDARD
SIST EN 438-2:2016/A1:2019
01-marec-2019
'HNRUDWLYQLYLVRNRWODþQLODPLQDWL +3/ 3ORãþHQDRVQRYLGXURPHUQLKVPRO
GHO 8JRWDYOMDQMHODVWQRVWL'RSROQLOR$
High-pressure decorative laminates (HPL) - Sheets based on thermosetting resins
(usually called laminates) - Part 2: Determination of properties
Dekorative Hochdruck-Schichtpressstoffplatten (HPL) - Platten auf Basis härtbarer Harze
(Schichtpressstoffe) - Teil 2: Bestimmung der Eigenschaften
Stratifiés décoratifs haute pression (HPL) - Plaques à base de résines
thermodurcissables (communément appelées stratifiés) - Partie 2: Détermination des
propriétés
Ta slovenski standard je istoveten z: EN 438-2:2016/A1:2018
ICS:
83.140.20 /DPLQDWQHSORãþH Laminated sheets
SIST EN 438-2:2016/A1:2019 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
---------------------- Page: 1 ----------------------
SIST EN 438-2:2016/A1:2019
---------------------- Page: 2 ----------------------
SIST EN 438-2:2016/A1:2019
EN 438-2:2016/A1
EUROPEAN STANDARD
NORME EUROPÉENNE
December 2018
EUROPÄISCHE NORM
ICS 83.140.20
English Version
High-pressure decorative laminates (HPL) - Sheets based
on thermosetting resins (usually called laminates) - Part 2:
Determination of properties
Stratifiés décoratifs haute pression (HPL) - Plaques à Dekorative Hochdruck-Schichtpressstoffplatten (HPL)
base de résines thermodurcissables (communément - Platten auf Basis härtbarer Harze (Schichtpressstoffe)
appelées stratifiés) - Partie 2: Détermination des - Teil 2: Bestimmung der Eigenschaften
propriétés
This amendment A1 modifies the European Standard EN 438-2:2016; it was approved by CEN on 5 October 2018.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for inclusion of
this amendment into the relevant 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 amendment 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, 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. EN 438-2:2016/A1:2018 E
worldwide for CEN national Members.
---------------------- Page: 3 ----------------------
SIST EN 438-2:2016/A1:2019
EN 438-2:2016+A1:2018 (E)
Contents Page
European foreword . 10
1 Scope . 11
2 Normative references . 11
3 Terms and definitions . 12
4 Assessment of appearance . 12
4.1 Principle . 12
4.2 Apparatus . 12
4.3 Test specimen. 12
4.4 Procedure . 12
4.5 Test report . 13
5 Determination of thickness . 13
5.1 Principle . 13
5.2 Apparatus . 13
5.3 Test specimen. 13
5.4 Procedure . 13
5.5 Test report . 14
6 Determination of length and width . 14
6.1 Principle . 14
6.2 Apparatus . 14
6.3 Test specimen. 14
6.4 Procedure . 14
6.5 Expression of results . 14
6.6 Test report . 14
7 Determination of edge straightness . 15
7.1 Principle . 15
7.2 Apparatus . 15
7.3 Test specimen. 15
7.4 Procedure . 15
7.5 Expression of results . 15
7.6 Test report . 16
8 Determination of edge squareness . 16
8.1 Principle . 16
8.2 Apparatus . 16
2
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SIST EN 438-2:2016/A1:2019
EN 438-2:2016+A1:2018 (E)
8.3 Test specimen .16
8.4 Procedure .16
8.5 Expression of results .17
8.6 Test report .17
9 Determination of flatness .17
9.1 Principle .17
9.2 Apparatus .17
9.3 Test specimens .18
9.4 Procedure .18
9.5 Expression of results .18
9.6 Test report .18
10 Resistance to surface wear .18
10.1 Principle .18
10.2 Materials.18
10.3 Apparatus .19
10.3.1 Abrasion resistance testing machine .19
10.4 Test specimens .21
10.5 Preparation of specimens and abrasive paper.21
10.6 Procedure .21
10.6.1 Preparation of abrasive wheels .21
10.6.2 Calibration of abrasive paper .21
10.6.3 Abrasion of specimen .21
10.7 Expression of results .22
10.8 Test report .22
11 Resistance to abrasion (flooring grade laminates) .23
12 Resistance to immersion in boiling water .23
12.1 Principle .23
12.2 Apparatus .23
12.3 Test specimens .23
12.4 Procedure .24
12.5 Expression of results .24
12.5.1 Calculation .24
12.5.2 Surface rating scale .25
12.5.3 Edge rating scale .25
12.6 Test report .25
13 Substrate protection against water vapour .25
3
---------------------- Page: 5 ----------------------
SIST EN 438-2:2016/A1:2019
EN 438-2:2016+A1:2018 (E)
13.1 Principle . 25
13.2 Apparatus . 26
13.3 Test specimens. 26
13.4 Procedure . 26
13.5 Expression of results . 27
13.6 Test report . 27
14 Resistance to water vapour . 27
14.1 Principle . 27
14.2 Apparatus . 28
14.3 Test specimen. 28
14.4 Procedure . 28
14.5 Expression of results . 28
14.6 Test report . 28
15 Resistance to wet conditions (Exterior grade laminates) . 30
15.1 Principle . 30
15.2 Apparatus . 30
15.3 Test specimens. 30
15.4 Procedure . 30
15.5 Expression of results . 30
15.5.1 Calculation . 30
15.5.2 Visual examination . 31
15.6 Test report . 31
16 Resistance to dry heat . 32
16.1 Principle . 32
16.2 Apparatus and materials . 32
16.3 Test specimen. 34
16.4 Test procedure . 34
16.5 Examination of the test specimen . 34
16.6 Expression of results . 34
16.7 Test report . 35
17 Dimensional stability at elevated temperature . 35
17.1 Principle . 35
17.2 Apparatus . 35
17.3 Test specimens. 36
17.4 Procedure . 36
17.5 Expression of results . 36
4
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SIST EN 438-2:2016/A1:2019
EN 438-2:2016+A1:2018 (E)
17.6 Test report .37
18 Resistance to wet heat .37
18.1 Principle .37
18.2 Apparatus and materials .38
18.3 Test specimens .38
18.4 Procedure .39
18.5 Expression of results .39
18.6 Test report .40
19 Resistance to climatic shock (exterior grade laminates) .40
19.1 Principle .40
19.2 Apparatus .40
19.3 Test specimens .41
19.4 Procedure .41
19.5 Expression of results .42
19.5.1 Flexural strength and modulus of elasticity in flexure .42
19.5.2 Appearance .42
19.6 Test report .42
20 Resistance to impact by small-diameter ball .42
20.1 Principle .42
20.2 Materials.43
20.3 Apparatus .43
20.4 Test specimens .46
20.5 Calibration of the impact tester .46
20.6 Procedure .47
20.7 Expression of results .48
20.8 Test report .48
21 Resistance to impact by large diameter ball .48
21.1 Principle .48
21.2 Materials.49
21.3 Apparatus .49
21.4 Test specimens .49
21.5 Procedure .49
21.6 Expression of results .51
21.7 Test report .52
22 Resistance to impact by large diameter ball (flooring grade laminates) .52
22.1 Principle .52
5
---------------------- Page: 7 ----------------------
SIST EN 438-2:2016/A1:2019
EN 438-2:2016+A1:2018 (E)
22.2 Materials . 52
22.3 Apparatus . 52
22.4 Test specimens. 53
22.5 Procedure . 53
22.6 Expression of results . 53
22.7 Test report . 53
23 Resistance to cracking under stress (laminates ≤ 2 mm thick) . 54
23.1 Principle . 54
23.2 Apparatus . 54
23.3 Test specimens. 54
23.4 Procedure . 56
23.5 Expression of results . 56
23.6 Test report . 57
24 Resistance to crazing (Compact laminates) . 58
24.1 Principle . 58
24.2 Apparatus . 58
24.3 Test specimens. 58
24.4 Procedure .
...
SLOVENSKI STANDARD
SIST EN 438-2:2016/oprA1:2017
01-oktober-2017
'HNRUDWLYQLYLVRNRWODþQLODPLQDWL +3/ 3ORãþHQDRVQRYLGXURPHUQLKVPRO
GHO 8JRWDYOMDQMHODVWQRVWL±'RSROQLOR$
High-pressure decorative laminates (HPL) - Sheets based on thermosetting resins
(usually called laminates) - Part 2: Determination of properties
Dekorative Hochdruck-Schichtpressstoffplatten (HPL) - Platten auf Basis härtbarer Harze
(Schichtpressstoffe) - Teil 2: Bestimmung der Eigenschaften
Stratifiés décoratifs haute pression (HPL) - Plaques à base de résines
thermodurcissables (communément appelées stratifiés) - Partie 2: Détermination des
propriétés
Ta slovenski standard je istoveten z: EN 438-2:2016/prA1
ICS:
83.140.20 /DPLQDWQHSORãþH Laminated sheets
SIST EN 438-2:2016/oprA1:2017 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
---------------------- Page: 1 ----------------------
SIST EN 438-2:2016/oprA1:2017
---------------------- Page: 2 ----------------------
SIST EN 438-2:2016/oprA1:2017
DRAFT
EUROPEAN STANDARD
EN 438-2:2016
NORME EUROPÉENNE
EUROPÄISCHE NORM
prA1
August 2017
ICS 83.140.20
English Version
High-pressure decorative laminates (HPL) - Sheets based
on thermosetting resins (usually called laminates) - Part 2:
Determination of properties
Stratifiés décoratifs haute pression (HPL) - Plaques à Dekorative Hochdruck-Schichtpressstoffplatten (HPL)
base de résines thermodurcissables (communément - Platten auf Basis härtbarer Harze (Schichtpressstoffe)
appelées stratifiés) - Partie 2: Détermination des - Teil 2: Bestimmung der Eigenschaften
propriétés
This draft amendment is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee CEN/TC 249.
This draft amendment A1, if approved, will modify the European Standard EN 438-2:2016. If this draft becomes an amendment,
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for inclusion of
this amendment into the relevant national standard without any alteration.
This draft amendment was established by CEN 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, 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.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.
Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2017 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 438-2:2016/prA1:2017 E
worldwide for CEN national Members.
---------------------- Page: 3 ----------------------
SIST EN 438-2:2016/oprA1:2017
EN 438-2:2016/prA1:2017 (E)
Contents Page
European foreword . 3
1 Modification to Clause 4.2.2 . 4
2 Modification to Clause 11 . 4
3 Modification to Clause 16.2.8 . 4
4 Modification to Clause 17.4.2 . 4
5 Modification to Clause 17.5 . 4
6 Modification to Clause 18.2.10 . 5
7 Modification to Clause 26.3.6 . 5
8 Modification to Clause 30.3.3 . 6
2
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SIST EN 438-2:2016/oprA1:2017
prEN 438-2:20
...
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