EN 2434-003:2010
(Main)Aerospace series - Paints and varnishes - Two component cold curing polyurethane finish - Part 003: Flexible and high fluid resistance for interior
Aerospace series - Paints and varnishes - Two component cold curing polyurethane finish - Part 003: Flexible and high fluid resistance for interior
This European Standard specifies the requirements for a two component polyurethane finish, in a limited range of colours, to be applied over a primer for interior aerospace applications, offering flexibility and high resistance to fluid attack.
The properties specified in this European Standard are obtained on defined aluminium alloy test pieces prepared in accordance with EN 3837 and EN 23270 and painted with primer to prEN 2435-03. The ability of the material to be used for a specific application (e.g. alternative substrate, alternative primer, specific drying conditions etc.) shall be determined by supplementary tests to confirm that the requirements of this standard are met.
Luft- und Raumfahrt - Beschichtungsstoffe - Zweikomponenten- Polyurethan-Decklack, kalthärtend - Teil 003: Elastisch und medienbeständig für Innen
Diese Europäische Norm legt die Anforderungen an eine Zweikomponenten-Polyurethan-Deckbeschichtung
fest, die in einer begrenzten Anzahl von Farben erhältlich ist und auf einen Primer für Innenanwendungen in
der Luft- und Raumfahrt aufzubringen ist, und die elastisch ist und eine hohe Beständigkeit gegen Angriffe
durch Flüssigkeiten aufweist.
Die in dieser Europäischen Norm festgelegten Eigenschaften werden an festgelegten Probenkörpern aus
Aluminiumlegierung ermittelt, die nach EN 3837 sowie nach EN 23270 hergestellt und mit Primer nach
EN 2435-003 beschichtet wurden. Die Eignung des Werkstoffes für eine bestimmte Anwendung (z. B.
alternativer Trägerwerkstoff, alternativer Primer, bestimmte Trocknungsbedingungen usw.) ist durch
zusätzliche Prüfungen zu ermitteln, um zu bestätigen, dass die Anforderungen dieser Norm erfüllt werden.
Série aérospatiale - Peintures et vernis - Peinture de finition polyuréthane, à deux composants polymérisant à température ambiante - Partie 003: Flexible à résistance au fluide pour intérieur
Aeronavtika - Barve in laki - Dvokomponentni poliuretanski končni premaz, ki se suši pri sobni temperaturi - 003. del: Elastičnost in dobra odpornost proti tekočinam za notranjo uporabo
Ta evropski standard določa zahteve za dvokomponentni poliuretanski končni premaz v omejenem številu različnih barv, ki se nanese čez temeljni premaz za notranjo uporabo v aeronavtiki, ki zagotavlja elastičnost in dobro odpornost proti tekočinam. Lastnosti, določene v tem evropskem standardu, so pridobljene na definiranih preskusnih kosih aluminijeve zlitine, pripravljenih v skladu z EN 3837 in EN 23270, ter premazanih s temeljnim premazom v EN 2435-002. Sposobnost materiala, da se uporablja za posebna področja uporabe (npr. alternativni substrat, alternativni temeljni premaz, posebni pogoji sušenja, itd.), se določi z dodatnimi preskusi, s katerimi se potrdi, da so zahteve tega standarda izpolnjene.
General Information
Overview
EN 2434-003:2010 defines requirements for a two-component cold-curing polyurethane finish intended for interior aerospace applications. The standard targets coatings applied over an approved primer and delivered in a limited range of colours to provide flexibility and high resistance to fluid attack. Properties reported in this standard are derived from tests on aluminium alloy panels prepared per EN 3837 and EN 23270 and primed in accordance with EN 2435-003.
This document is a level 3 aerospace material standard and is intended to guide manufacturers, specifiers and quality teams on performance, batch release and qualification testing for interior aircraft finishes.
Key Topics
- Material system: Two-component system comprising a base (hydroxyl-functional resin, pigments, solvents) and a polyisocyanate activator; thinner used if required. Components shall be mixed in whole-number proportions per manufacturer instructions.
- Film build & appearance: Dry film thickness specified at (30 ± 5) µm. Finish must produce an opaque, even film free from runs, sags or pinholing. Gloss and colour are controlled and must match specified values.
- Processing & conditioning: Typical conditioning and test environments reference EN 23270. Primer is allowed to dry 4–16 h before finish application; test panels follow prescribed pre-treatment routes (EN 3837, EN 2334).
- Performance requirements: Focus on adhesion, flexibility and impact resistance with stringent environmental performance including heat, cold, humidity and resistance to fluids (tri-n-butyl phosphate per EN 2379 and additional agreed fluids).
- Testing regime: Distinguishes batch release tests (marked * in the standard tables) from full qualification testing (all tests). Routine quality assurance follows EN 3840 test methods where applicable.
Applications
- Interior cabin surfaces and components where a flexible, durable finish with high resistance to oils, hydraulic fluids and cleaning agents is required.
- Systems specified by aircraft manufacturers and maintenance organisations where compatibility with chromated corrosion‑resistant primers (EN 2435-003) and aluminium substrate pre-treatments (EN 3837/EN 2334) is mandatory.
Benefits:
- Enhanced protection against fluid attack and service environmental extremes
- Predictable application and curing characteristics for production and repair
- Established test methods and acceptance criteria for batch release and qualification
Related Standards
- EN 2435-003 - corrosion resistant chromated two-component primer (paired primer system)
- EN 3837 - surface preparation and test piece preparation for aluminium alloys
- EN 23270 - conditioning temperatures and humidities for testing
- EN 3840 - paints and varnishes test methods referenced throughout
- EN 2379 - fluids for assessment of non-metallic materials
For any deviation from the specified substrates, primer systems or drying/curing conditions, supplementary tests are required to confirm that the performance criteria of EN 2434-003:2010 are met.
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Luft- und Raumfahrt - Beschichtungsstoffe - Zweikomponenten, Polyurethan-Decklack, Kalthärtend - Teil 003: Elastisch und medienbeständig für InnenSérie aérospatiale - Peintures et vernis - Peinture de finition polyuréthane, à deux composants polymérisant à température ambiante - Partie 003: Flexibilité et haute résistance aux fluides pour application en intérieurAerospace series - Paints and varnishes - Two component cold curing polyurethane finish - Part 003: Flexible and high fluid resistance for interior49.040Prevleke in z njimi povezani postopki, ki se uporabljajo v letalski in vesoljski industrijiCoatings and related processes used in aerospace industryICS:Ta slovenski standard je istoveten z:EN 2434-003:2010SIST EN 2434-003:2010en,de01-december-2010SIST EN 2434-003:2010SLOVENSKI
STANDARD
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 2434-003
September 2010 ICS 49.040 English Version
Aerospace series - Paints and varnishes - Two component cold curing polyurethane finish - Part 003: Flexible and high fluid resistance for interior
Série aérospatiale - Peintures et vernis - Peinture de finition polyuréthane, à deux composants polymérisant à température ambiante - Partie 003: Flexibilité et haute résistance aux fluides pour application en intérieur
Luft- und Raumfahrt - Beschichtungsstoffe - Zweikomponenten- Polyurethan-Decklack, kalthärtend - Teil 003: Elastisch und medienbeständig für Innen This European Standard was approved by CEN on 6 February 2010.
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, Croatia, 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.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre:
Avenue Marnix 17,
B-1000 Brussels © 2010 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 2434-003:2010: ESIST EN 2434-003:2010
EN 2435-003, Aerospace series — Paints and varnishes — Corrosion resistant chromated two component cold curing primer – Part 003: High corrosion and fluid resistance
EN 2379, Aerospace series — Fluids for assessment of non-metallic materials 1) EN 3837, Aerospace series — Paints and varnishes — Nature and method for surface preparation of test pieces in aluminium alloys 1) EN 3840, Aerospace series — Pieces paints and varnishes — Technical specification EN 4385, Aerospace series — Non-metallic materials — General organisation of standardisation — Links between types of standards 1) EN 7000-9, Aerospace series — Non-metallic materials — Rules for the drafting and presentation of material standards — Part 9: Paints and varnishes 1) EN ISO 1513, Paints and
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Frequently Asked Questions
EN 2434-003:2010 is a standard published by the European Committee for Standardization (CEN). Its full title is "Aerospace series - Paints and varnishes - Two component cold curing polyurethane finish - Part 003: Flexible and high fluid resistance for interior". This standard covers: This European Standard specifies the requirements for a two component polyurethane finish, in a limited range of colours, to be applied over a primer for interior aerospace applications, offering flexibility and high resistance to fluid attack. The properties specified in this European Standard are obtained on defined aluminium alloy test pieces prepared in accordance with EN 3837 and EN 23270 and painted with primer to prEN 2435-03. The ability of the material to be used for a specific application (e.g. alternative substrate, alternative primer, specific drying conditions etc.) shall be determined by supplementary tests to confirm that the requirements of this standard are met.
This European Standard specifies the requirements for a two component polyurethane finish, in a limited range of colours, to be applied over a primer for interior aerospace applications, offering flexibility and high resistance to fluid attack. The properties specified in this European Standard are obtained on defined aluminium alloy test pieces prepared in accordance with EN 3837 and EN 23270 and painted with primer to prEN 2435-03. The ability of the material to be used for a specific application (e.g. alternative substrate, alternative primer, specific drying conditions etc.) shall be determined by supplementary tests to confirm that the requirements of this standard are met.
EN 2434-003:2010 is classified under the following ICS (International Classification for Standards) categories: 49.040 - Coatings and related processes used in aerospace industry. The ICS classification helps identify the subject area and facilitates finding related standards.
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