Products and systems for the protection and repair of concrete structures - Definitions, requirements, quality control and evaluation of conformity - Part 10: Site application of products and systems and quality control of the works

This part of EN 1504 gives requirements for:
-   substrate condition before and during application of systems and products;
-   storage of systems and products;
-   structural stability during preparation, protection and repair;
-   methods of protection and repair;
-   quality control for execution of work;
-   maintenance of the structure.

Produkte und Systeme für den Schutz und die Instandsetzung von Betonbauteilen - Definitionen, Anforderungen, Qualitätsüberwachung und Beurteilung der Konformität - Teil 10: Anwendung von Produkten und Systemen auf der Baustelle, Qualitätsüberwachung der Ausführung

Dieser Teil von EN 1504 enthält Anforderungen zur
-   Vorbereitung des Untergrundes vor und während der Aufbringung von Systemen und Produkten;
-   Lagerung von Systemen und Produkten;
-   Tragfähigkeit während Vorbereitung, Schutz und Instandsetzung;
-   Verfahren zum Schutz und zur Instandsetzung;
-   Qualitätssicherung der Ausführung;
-   Instandhaltung des Tragwerks.

Produits et systèmes pour la protection et la réparation des structures en béton - Définitions, exigences, maîtrise de la qualité et évaluation de la conformité - Partie 10 : Application sur site des produits et systèmes et contrôle de la qualité des travaux

La présente partie de l’EN 1504 définit les exigences relatives :
—   à l’état du support avant et pendant l’application des systèmes et des produits ;
—   au stockage des systèmes et des produits ;
—   à la stabilité structurale pendant la préparation, la protection et la réparation ;
—   aux méthodes de protection et de réparation ;
—   au contrôle de la qualité pour l’exécution des travaux ;
—   à la maintenance de la structure.

Proizvodi in sistemi za zaščito in popravilo betonskih konstrukcij - Definicije, zahteve, kontrola kakovosti in ovrednotenje skladnosti - 10. del: Uporaba proizvodov in sistemov na terenu in kontrola kakovosti del

Ta del standarda EN 1504 podaja zahteve za:
– stanje podlage pred in med uporabo sistemov ter proizvodov;
– skladiščenje sistemov in proizvodov;
– stabilnost konstrukcije med pripravo, zaščito in popravilom;
– metode zaščite in popravila;
– kontrola kakovosti za izvedbo del;
– vzdrževanje konstrukcije.
Ti vidiki vključujejo vplive na zdravje in varnost, delovno okolje, okolje ter gospodarstvo.

General Information

Status
Published
Publication Date
10-Oct-2017
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Due Date
11-Oct-2017
Completion Date
11-Oct-2017

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Produkte und Systeme für den Schutz und die Instandsetzung von Betontragwerken - Definitionen, Anforderungen, Qualitätsüberwachung und Beurteilung der Konformität - Teil 10: Anwendung von Produkten und Systemen auf der Baustelle, Qualitätsüberwachung der AusführungProduits et systèmes pour la protection et la réparation de structures en béton - Définitions, prescriptions, maîtrise de la qualité et évaluation de la conformité - Partie 10: Application sur site des produits et systèmes et contrôle de la qualité des travauxProducts and systems for the protection and repair of concrete structures - Definitions, requirements, quality control and evaluation of conformity - Part 10: Site application of products and systems and quality control of the works91.080.40Betonske konstrukcijeConcrete structures01.040.91Gradbeni materiali in gradnja (Slovarji)Construction materials and building (Vocabularies)ICS:Ta slovenski standard je istoveten z:EN 1504-10:2017SIST EN 1504-10:2017en01-december-2017SIST EN 1504-10:2017SLOVENSKI

STANDARDSIST EN 1504-10:2004/AC:2005SIST EN 1504-10:20041DGRPHãþD
SIST EN 1504-10:2017
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 1504-10
October
t r s y ICS
{ sä r z rä v r Supersedes EN
s w r væ s rã t r r uEnglish Version

Products and systems for the protection and repair of concrete structures æ Definitionsá requirementsá quality control and evaluation of conformity æ Part

s rã Site application of products and systems and quality control of the works Produits et systèmes pour la protection et la réparationdes structures en béton æ Définitionsá exigencesá maîtrise de la qualité et évaluation de la conformité æ Partie

s r ã Application sur site des produits et systèmes et contrôle de la qualité des travaux

Produkte und Systeme für den Schutz und die Instandsetzung von Betonbauteilen æ Definitionená Anforderungená Qualitätsüberwachung und Beurteilung der Konformität æ Teil

s rã Anwendung von Produkten und Systemen auf der Baustelleá Qualitätsüberwachung der Ausführung This European Standard was approved by CEN on

t x July
t r s yä

egulations which stipulate the conditions for giving this European Standard the status of a national standard without any alterationä Upætoædate lists and bibliographical references concerning such national standards may be obtained on application to the CENæCENELEC Management Centre or to any CEN memberä

translation under the responsibility of a CEN member into its own language and notified to the CENæCENELEC Management Centre has the same status as the official versionsä

CEN members are the national standards bodies of Austriaá Belgiumá Bulgariaá Croatiaá Cyprusá Czech Republicá Denmarká Estoniaá Finlandá Former Yugoslav Republic of Macedoniaá Franceá Germanyá Greeceá Hungaryá Icelandá Irelandá Italyá Latviaá Lithuaniaá Luxembourgá Maltaá Netherlandsá Norwayá Polandá Portugalá Romaniaá Serbiaá Slovakiaá Sloveniaá Spainá Swedená Switzerlandá Turkey and United Kingdomä

EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre:
Avenue Marnix 17,
B-1000 Brussels

t r s y CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Membersä Refä Noä EN

s w r væ s rã t r s y ESIST EN 1504-10:2017
EN 1504-10:2017 (E) 2 Contents Page

European foreword ....................................................................................................................................................... 4 Introduction .................................................................................................................................................................... 8 1 Scope .................................................................................................................................................................... 9 2 Normative references .................................................................................................................................... 9 3 Terms and definitions ................................................................................................................................ 12 4 Structural stability during preparation, protection and repair .................................................. 15 5 General requirements during preparation, protection and repair ........................................... 15 6 Methods of protection and repair .......................................................................................................... 16 6.1 Preparation, application and quality control .................................................................................... 16 6.2 Methods specified in another EN or European Technical Approval .......................................... 23 7 Preparation of substrate ........................................................................................................................... 23 7.1 General ............................................................................................................................................................. 23 7.2 Preparation of concrete ............................................................................................................................. 25 7.3 Preparation of reinforcement ................................................................................................................. 26 8 Application of products and systems .................................................................................................... 27 8.1 General ............................................................................................................................................................. 27 8.2 Defects in concrete and structural strengthening ............................................................................ 30 8.3 Defects caused by reinforcement corrosion ....................................................................................... 32 9 Quality control .............................................................................................................................................. 33 9.1 General ............................................................................................................................................................. 33 9.2 Execution classes .......................................................................................................................................... 33 9.3 Quality control tests and observations ................................................................................................ 34 10 Maintenance ................................................................................................................................................... 44 Annex A (informative)

Guidance and background information on the normative text .................. 45 A.1 Structural stability during preparation, protection and repair (Clause 4)............................. 45 A.2 Methods of protection and repair (Clause 6) ..................................................................................... 45 A.3 Preparation of substrate (Clause 7) ...................................................................................................... 48 A.4 Application of products and systems (Clause 8) ............................................................................... 51 A.5 Quality control (Clause 9) ......................................................................................................................... 54 Annex B (informative)

Testing cleanliness of concrete surface ............................................................... 66 B.1 Principle .......................................................................................................................................................... 66 B.2 Procedure........................................................................................................................................................ 66 B.3 Materials .......................................................................................................................................................... 67 B.4 Expression of results ................................................................................................................................... 67 B.5 Test report ...................................................................................................................................................... 67 B.6 Testing frequency ........................................................................................................................................ 67 SIST EN 1504-10:2017

EN 1504-10:2017 (E) 3 Annex C (informative)

Testing surface roughness through the saw-teeth profile method ............ 68 C.1 Principle ........................................................................................................................................................... 68 C.2 Definitions ....................................................................................................................................................... 68 C.3 Procedure ........................................................................................................................................................ 68 C.4 Apparatus ........................................................................................................................................................ 70 C.5 Expression of result ..................................................................................................................................... 70 C.6 Test report ...................................................................................................................................................... 70 C.7 Testing frequency ......................................................................................................................................... 71 Annex D (informative)

Testing degree of microcracking of concrete surfaces ................................... 72 D.1 Principle ........................................................................................................................................................... 72 D.2 Procedure ........................................................................................................................................................ 72 D.3 Apparatus ........................................................................................................................................................ 73 D.4 Expression of result ..................................................................................................................................... 73 D.5 Test report ...................................................................................................................................................... 73 D.6 Testing frequency ......................................................................................................................................... 74 Bibliography ................................................................................................................................................................. 75

SIST EN 1504-10:2017

EN 1504-10:2017 (E) 4 European foreword This document (EN 1504-10:2017) has been prepared by Technical Committee CEN/TC 104 “Concrete and related products”, the secretariat of which is held by DIN and Subcommittee 8 “Products and systems for the protection and repair of concrete structures”, 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 April 2018, and conflicting national standards shall be withdrawn at the latest by April 2018. 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 supersedes EN 1504-10:2003. In comparison with EN 1504-10:2003, the following significant changes have been made: — a clarification of the scope of the standard; — a deletion of the normative reference "ENV ISO 8502-1, Preparation of steel substrates before application of paints or related products – Tests for the assessment of surface cleanliness – Part 1: Field test for soluble iron corrosion products (ISO/TR 8502-1:1991)" in Table 5 "Summary of tests and observations for quality control", test or observation number 19 because it has been withdrawn. A replacement of the method is under development by ISO/DIS 8502-12; — additions of terms and definitions; — clarifications of the title, recommendations and requirements in Clause 5; — clarification of Clause 6 by adding 6.1 and 6.2; — replaced reference to specific clauses with a reference to Annex A in method 1.4 "Surface bandaging of cracks" in Table 1 (preparation, application and quality control columns); — addition of method 1.6 "transferring cracks into joint" in Methods to satisfy principle 1 – Protection against ingress in Table 1; — addition of method 1.7 erecting external panels in Methods to satisfy principle 1 – Protection against ingress in Table 1; — addition of method 1.8 applying membranes in Methods to satisfy principle 1 – Protection against ingress in Table 1; — removal of reference to 8.2.1 (application column) in method 2.2 "surface coating" in Methods to satisfy principle 1 – Protection against ingress in Table 1; — addition of reference to new 7.2.4 "Microcracks" in method 3.1 (preparation column) in Methods to satisfy principle 2 – Moisture control in Table 1; — addition of reference to new 7.2.4 "Microcracks" in method 3.2 (preparation column) in Methods to satisfy principle 2 – Moisture control in Table 1; — addition of reference to new 7.2.4 "Microcracks" in method 3.3 (preparation column) in Methods to satisfy principle 2 – Moisture control in Table 1; SIST EN 1504-10:2017

EN 1504-10:2017 (E) 5 — addition of method 3.4 "Replacing elements" in Methods to satisfy principle 2 – Moisture control in Table 1; — addition of reference to new 7.2.4 "Microcracks" in method 4.3 (preparation column) Methods to satisfy principle 4 – Structural strengthening in Table 1; — addition of reference to new 7.2.4 "Microcracks" in method 4.4 (preparation column) Methods to satisfy principle 4 – Structural strengthening in Table 1; — addition of method 4.7 "Prestressing (post tensioning)" Methods to satisfy principle 4 – Structural strengthening in Table 1; — change of the title of method 6.1 in Methods to satisfy principle 5 – Increasing physical resistance, according to EN 1504-9 and updated references for preparation and application; — change of the title of method 7.1 in "Methods to satisfy principle 7 – Preserving or restoring passivity", according to EN 1504-9, and updated references for preparation and application, including reference to the new 7.2.4 "Microcracks"; — addition of reference to the new 7.2.4 “Microcracks” in method 7.2 in "Methods to satisfy principle 7 – Preserving or restoring passivity" (preparation column) in Table 1; — addition of method 7.5 Electrochemical chloride extraction in "Methods to satisfy principle 7 – Preserving or restoring passivity" in Table 1; — change of the title of method 8.2 according to EN 1504-9; — addition of method 8.3 "Coating" in "Methods to satisfy principle 8 – increasing resistivity" in Table 1; — change of the title of the methods 11.1, 11.2 and 11.3 according to EN 1504-9; — the methods in Table 2 have been updated according to EN 1504-9; — addition of requirements regarding microcracks during preparation of the concrete in 7.2.4; — addition of requirement in 7.3.2 f) by addition of reference to EN ISO 8501-1 regarding the standard of cleaning for method 11.2; — replacement of reference standard regarding bonding in Table 3, from EN 206-1 to EN 1542; — bonding requirements in 8.2.1 have to comply with EN 1504-2 and EN 1504-3 in addition to EN 1504-4; — requirements regarding sprayed mortar and concrete in 8.2.3 have to comply with EN 1504-3 in addition to EN 14487-1 and EN 14487-2; — addition of EN 1504-7 regarding requirements for products and systems for the execution of work in 9.1; — addition of 9.2 “Execution classes”; — addition of test or observations no 46 "Microcracks" in 9.3, Table 5 “Summary of tests and observations for quality control”; — addition of requirements regarding test or observation no 10 for method 4.1 and 4.2 in Table 5 regarding substrate conditions before and/or after preparation; SIST EN 1504-10:2017

EN 1504-10:2017 (E) 6 — observation number 17 in Table 5 has been changed from test to observation; — addition of a Pull-out test in test or observation no 36 in Table 5 with reference to EN 12504-3; — addition of test or observation no 15 "Electrical resistivity" in Table 5 before and/or during application; — addition of Core and resistance test in test number 15 in "Final hardened condition"; — change of requirement in test no 32 in "Final hardened condition" regarding impregnation in Table 5; — change of requirements in test 34, 35, 36 and 37 in "Final hardened conditions" regarding application of mortar and concrete in Table 5; — change of requirements in test 40 in “Final hardened conditions” regarding method 4.1 and 4.2 in Table 5; — deletion of Clause 11 “Health, safety and the environment”, because it states that regulations shall be followed which they shall be anyhow regardless of what is stated in this standard; — addition of A.5.2 "Execution classes" in Annex A; — deletion of A.11 "Health, safety and the environment" in Annex A; — addition of an informative Annex B which describes a test method for cleanliness of concrete surfaces; — addition of an informative Annex C which describes a test method for surface roughness; — addition of an informative Annex D which describes a test method for and degree of microcracking of concrete surfaces. This European Standard specifies requirements for the execution of protection and repair of concrete structures. This document is one part of the European Standard on “Products and systems for the protection and repair of concrete structures — Definitions, requirements, quality control and evaluation of conformity”. The other parts are listed below: — Part 1: Definitions — Part 2: Surface protection systems for concrete — Part 3: Structural and non-structural repair — Part 4: Structural bonding — Part 5: Concrete injection — Part 6: Anchoring of reinforcing steel bar — Part 7: Reinforcement corrosion protection — Part 8: Quality control and Assessment and verification of the constancy of performance (AVCP) — Part 9: General principles for the use of products and systems SIST EN 1504-10:2017

EN 1504-10:2017 (E) 7 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, 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 the United Kingdom. SIST EN 1504-10:2017

EN 1504-10:2017 (E) 8 Introduction This European Standard is part of the EN 1504 series which define and specify products and systems for the protection and repair of concrete structures. This standard defines and specifies site application of these products and systems and quality control of the works. The execution of this work is an important and integral part of the complex process of protection and repair, and this standard specifies how it shall be carried out. The specifications in this standard are part of the definition of the intended use for the relevant products and systems. The main normative references for the EN 1504 series are EN 13670, EN 1990, EN 1992-1-1, EN 1992-1-2, EN 1992-2, EN 1992-3 and EN 206. The specification for products and systems for protection and repair of concrete structures are given in Parts 2 to 7 of this standard. In practical cases, the reader is referred to Part 9 for selecting repair system before using Part 10. This standard contains an Annex A which provides guidance and background information to the normative text. The contents of the Annex A are numbered in the same way as the normative text to facilitate reference, but prefixed with "A". This standard contains Annex B, C and D which provides further information on test methods for cleanliness of concrete surfaces, surface roughness and degree of microcracking of concrete surfaces. SIST EN 1504-10:2017

EN 1504-10:2017 (E) 9 1 Scope This part of EN 1504 gives requirements for: — substrate condition before and during application of systems and products; — storage of systems and products; — structural stability during preparation, protection and repair; — methods of protection and repair; — quality control for execution of work; — maintenance of the structure. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 206, Concrete - Specification, performance, production and conformity EN 1008, Mixing water for concrete - Specification for sampling, testing and assessing the suitability of water, including water recovered from processes in the concrete industry, as mixing water for concrete EN 1062-3, Paints and varnishes - Coating materials and coating systems for exterior masonry and concrete - Part 3: Determination of liquid water permeability EN 1504-1, Products and systems for the protection and repair of concrete structures - Definitions, requirements, quality control and evaluation of conformity - Part 1: Definitions EN 1504-2, Products and systems for the protection and repair of concrete structures - Definitions, requirements, quality control and evaluation of conformity - Part 2: Surface protection systems for concrete EN 1504-3, Products and systems for the protection and repair of concrete structures - Definitions, requirements, quality control and evaluation of conformity - Part 3: Structural and non-structural repair EN 1504-4, Products and systems for the protection and repair of concrete structures - Definitions, requirements, quality control and evaluation of conformity - Part 4: Structural bonding EN 1504-5, Products and systems for the protection and repair of concrete structures - Definitions, requirements, quality control and evaluation of conformity - Part 5: Concrete injection EN 1504-6, Products and systems for the protection and repair of concrete structures - Definitions, requirements, quality control and evaluation of conformity - Part 6: Anchoring of reinforcing steel bar EN 1504-7, Products and systems for the protection and repair of concrete structures - Definitions, requirements, quality control and evaluation of conformity - Part 7: Reinforcement corrosion protection EN 1504-8, Products and systems for the protection and repair of concrete structures - Definitions, requirements, quality control and AVCP - Part 8: Quality control and Assessment and verification of the constancy of performance (AVCP) SIST EN 1504-10:2017

EN 1504-10:2017 (E) 10 EN 1504-9:2008, Products and systems for the protection and repair of concrete structures - Definitions, requirements, quality control and evaluation of conformity - Part 9: General principles for the use of products and systems EN 1542, Products and systems for the protection and repair of concrete structures - Test methods - Measurement of bond strength by pull-off EN 1766:2017, Products and systems for the protection and repair of concrete structures - Test methods - Reference concretes for testing EN 1881, Products and systems for the protection and repair of concrete structures - Test methods - Testing of anchoring products by the pull-out method EN 1990, Eurocode - Basis of structural design EN 1992-1-1, Eurocode 2: Design of concrete structures - Part 1-1: General rules and rules for buildings EN 1992-1-2, Eurocode 2: Design of concrete structures - Part 1-2: General rules - Structural fire design EN 1992-2, Eurocode 2 - Design of concrete structures - Concrete bridges - Design and detailing rules EN 10080, Steel for the reinforcement of concrete - Weldable reinforcing steel - General EN 12190, Products and systems for the protection and repair of concrete structures - Test methods - Determination of compressive strength of repair mortar EN 12350-1, Testing fresh concrete - Part 1: Sampling EN 12350-5, Testing fresh concrete - Part 5: Flow table test EN 12350-7, Testing fresh concrete - Part 7: Air content - Pressure methods EN 12390-1, Testing hardened concrete - Part 1: Shape, dimensions and other requirements for specimens and moulds EN 12390-2, Testing hardened concrete - Part 2: Making and curing specimens for strength tests EN 12390-3, Testing hardened concrete - Part 3: Compressive strength of test specimens EN 12390-7, Testing hardened concrete - Part 7: Density of hardened concrete EN 12504-1, Testing concrete in structures - Part 1: Cored specimens - Taking, examining and testing in compression EN 12504-2, Testing concrete in structures - Part 2: Non-destructive testing - Determination of rebound number EN 12504-3, Testing concrete in structures - Part 3: Determination of pull-out force EN 12504-4, Testing concrete - Part 4: Determination of ultrasonic pulse velocity EN 13395-1, Products and systems for the protection and repair of concrete structures - Test methods - Determination of workability - Part 1: Test for flow of thixotropic mortars EN 13395-2, Products and systems for the protection and repair of concrete structures - Test methods - Determination of workability - Part 2: Test for flow of grout or mortar SIST EN 1504-10:2017

EN 1504-10:2017 (E) 11 EN 13395-3, Products and systems for the protection and repair of concrete structures - Test methods - Determination of workability - Part 3: Test for flow of repair concrete EN 13395-4, Products and systems for the protection and repair of concrete structures - Test methods - Determination of workability - Part 4: Application of repair mortar overhead EN 13670, Execution of concrete structures EN 14038-1, Electrochemical realkalization and chloride extraction treatments for reinforced concrete - Part 1: Realkalization CEN/TS 14038-2, Electrochemical re-alkalization and chloride extraction treatments for rein-forced concrete - Part 2: Chloride extraction EN 14487-1, Sprayed concrete - Part 1: Definitions, specifications and conformity EN 14487-2, Sprayed concrete - Part 2: Execution EN 14629, Products and systems for the protection and repair of concrete structures - Test methods - Determination of chloride content in hardened concrete EN 14630, Products and systems for the protection and repair of concrete structures - Test methods - Determination of carbonation depth in hardened concrete by the phenolphthalein method EN 16242, Conservation of cultural heritage - Procedures and instruments for measuring humidity in the air and moisture exchanges between air and cultural property EN ISO 2409, Paints and varnishes - Cross-cut test (ISO 2409:2013) EN ISO 2808, Paints and varnishes - Determination of film thickness (ISO 2808:2007) EN ISO 3274, Geometrical product specifications (GPS) - Surface texture: Profile method - Nominal characteristics of contact (stylus) instruments (ISO 3274:1996) EN ISO 4288, Geometrical product specifications (GPS) - Surface texture: Profile method - Rules and procedures for the assessment of surface texture (ISO 4288:1996) EN ISO 4624, Paints and varnishes - Pull-off test for adhesion (ISO 4624:2016) EN ISO 4628-1, Paints and varnishes - Evaluation of degradation of coatings - Designation of quantity and size of defects, and of intensity of uniform changes in appearance - Part 1: General introduction and designation system (ISO 4628-1:2016) EN ISO 4628-2, Paints and varnishes - Evaluation of degradation of coatings - Designation of quantity and size of defects, and of intensity of uniform changes in appearance - Part 2: Assessment of degree of blistering (ISO 4628-2:2016) EN ISO 4628-3, Paints and varnishes - Evaluation of degradation of coatings - Designation of quantity and size of defects, and of intensity of uniform changes in appearance - Part 3: Assessment of degree of rusting (ISO 4628-3:2016) EN ISO 4628-4, Paints and varnishes - Evaluation of degradation of coatings - Designation of quantity and size of defects, and of intensity of uniform changes in appearance - Part 4: Assessment of degree of cracking (ISO 4628-4:2016) SIST EN 1504-10:2017

EN 1504-10:2017 (E) 12 EN ISO 4628-5, Paints and varnishes - Evaluation of degradation of coatings - Designation of quantity and size of defects, and of intensity of uniform changes in appearance - Part 5: Assessment of degree of flaking (ISO 4628-5:2016) EN ISO 4628-6, Paints and varnishes - Evaluation of degradation of coatings - Designation of quantity and size of defects, and of intensity of uniform changes in appearance - Part 6: Assessment of degree of chalking by tape method (ISO 4628-6:2011) EN ISO 8501-1, Preparation of steel substrates before application of paints and related products - Visual assessment

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