EN 2434-005:2006

Aerospace series - Paints and varnishes - Two component cold curing polyurethane finish - Part 005: High flexibility and chemical agent resistance for military application

This standard specifies the requirements for a two component flexible polyurethane topcoat to be applied over EN 2435-005 or EN 2436-006 primer mainly for exterior aerospace applications.
The primer and the finish tested to this specification will be from the same manufacturer applied in accordance with (i.a.w.) their instruction/Table 1.

Luft- und Raumfahrt - Beschichtungsstoffe - Zweikomponenten Polyurethan-Decklack kalthärtend - Teil 005: Hohe Elastizität und Beständigkeit gegen Chemikalien für militärische Anwendung

Diese Norm legt die Anforderungen an eine Zweikomponenten­Polyurethan-Deckbeschichtung fest, die auf Primer nach EN 2435 005 oder EN 2436 006 aufzubringen und hauptsächlich für Außenanwendungen in der Luft  und Raumfahrt vorgesehen ist.
Die nach dieser Spezifikation geprüften Primer und Decklacke, die vom gleichen Hersteller sind, werden nach deren Gebrauchsanweisung/Tabelle 1 aufgebracht.

Série aérospatiale - Peintures et vernis - Peinture de finition polyuréthane, à deux composants polymérisant à température ambiante - Partie 005 : Haute flexibilité et résistance aux substances chimiques pour applications militaires

Aeronavtika - Barve in laki - Dvokomponentni poliuretanski končni premaz, ki se suši pri sobni temperaturi - 005. del: Visoka elastičnost in odpornost proti kemikalijam, za vojaško uporabo

General Information

• Status: Published
• Publication Date: 20-Jun-2006
• Withdrawal Date: 30-Dec-2006
• ICS: 49.040 - Coatings and related processes used in aerospace industry
• Technical Committee: ASD-STAN - Aerospace
• Drafting Committee: ASD-STAN/D 5 - Non-Metallic
• Current Stage: 9093 - Decision to confirm - Review Enquiry
• Completion Date: 01-Jun-2017
• Ref Project: SIST EN 2434-005:2009 - Aerospace series - Paints and varnishes - Two component cold curing polyurethane finish - Part 005: High flexibility and chemical agent resistance for military application

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 005: Hohe Elastizität und Beständigkeit gegen Chemikalien für militärische AnwendungSérie aérospatiale - Peintures et vernis - Peinture de finition polyuréthane, à deux composants polymérisant à température ambiante - Partie 005 : Haute flexibilité et résistance aux substances chimiques pour applications militairesAerospace series - Paints and varnishes - Two component cold curing polyurethane finish - Part 005: High flexibility and chemical agent resistance for military application49.040Prevleke 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 2434-005:2006SIST EN 2434-005:2009en,de01-julij-2009SIST EN 2434-005:2009SLOVENSKI
STANDARD
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 2434-005June 2006ICS 49.040 English VersionAerospace series - Paints and varnishes - Two component coldcuring polyurethane finish - Part 005: High flexibility andchemical agent resistance for military applicationSérie aérospatiale - Peintures et vernis - Peinture de finitionpolyuréthane, à deux composants polymérisant àtempérature ambiante - Partie 005 : Haute flexibilité etrésistance aux substances chimiques pour applicationsmilitairesLuft- und Raumfahrt - Anstrichstoffe - ZweikomponentenPolyurethan-Decklack kalthärtend - Teil 005: HoheElastizität und Beständigkeit gegen Chemikalien fürmilitärische AnwendungThis European Standard was approved by CEN on 3 February 2006.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Central Secretariat or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, 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 STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2006 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 2434-005:2006: ESIST EN 2434-005:2009

1 Scope This standard specifies the requirements for a two component flexible polyurethane topcoat to be applied over EN 2435-005 or EN 2436-006 primer mainly for exterior aerospace applications. The primer and the finish tested to this specification will be from the same manufacturer applied in accordance with (i.a.w.) their instruction/Table 1. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including amendments) applies. ISO 1513, Paints and varnishes – Examination and preparation of samples for testing ISO 1517, Paints and varnishes – Surface-drying test – Ballotini method ISO 1518, Paints and varnishes – Scratch test ISO 1519, Paints and varnishes – Bend test (cylindrical mandrel) ISO 1520, Paints and varnishes – Cupping test ISO 1524, Paints, varnishes and printing inks – Determination of fineness of grind ISO 2409, Paints and varnishes – Cross-cut test ISO 2431, Paints and varnishes – Determination of flow time by use of flow cups ISO 2811-1, Paints and varnishes – Determination of density – Part 1: Pyknometer method ISO 2811-2, Paints and varnishes – Determination of density – Part 2: Immersed body (plummet) method ISO 2811-3, Paints and varnishes – Determination of density – Part 3: Oscillation method ISO 2811-4, Paints and varnishes – Determination of density – Part 4: Pressure cup method ISO 2812-1, Paints and varnishes – Determination of resistance to liquids – Part 1: General methods ISO 2812-2, Paints and varnishes – Determination of resistance to liquids – Part 2: Water immersion method ISO 2813, Paints and varnishes – Determination of specular gloss of non-metallic paint films at 20°, 60° and 85° ISO 3251, Paints, varnishes and plastics – Determination of non-volatile-matter content SIST EN 2434-005:2009

A minimum of three batches shall be tested for qualification purposes.
1) Published as ASD Prestandard at the date of publication of this standard. 2) Published by: NATO Military Agency for Standardization (MAS); B-1110 Brussels. SIST EN 2434-005:2009

Material description Two component cold curing polyurethane topcoat
Formulation Base: hydroxyl functional polyester or acrylic resins Activator: a polyisocyanate activator solution Thinner: if required
Preparation These components shall be mixed in simple whole number proportions, by volume or weight, in accordance with the manufacturers instructions.
Technical specification EN 3840
Marking See EN 3840.
Storage stability See EN 3840.
Application and use Dry film thickness of (50 ± 5) µm (with primerEN 2435-005 or EN 2436-006 [(25 ± 5) µm] will be 65 µm to 85 µm)
Drying conditions ISO 3270 for 168 h before testing. Finish is applied to the primer (EN 2435-005 orEN 2436-006) following drying up the primer for 4 h to 6 h as specified
Freedom from defects See EN 3840.
Quality assurance
See EN 3840.
Packaging See EN 3840.
Health and safety See EN 3840. SIST EN 2434-005:2009

± 2 % ref. value a b ± 2 % ref. value a b — test method ISO 11890-1, ISO 11890-2 test condition base + activator + thinner 49 Volatile organic content (VOC) requirements g/l < reference value b Test method ISO 3679 or ISO 3680 requirements °C base activator thinner 7 Flash point
≥ reference value b ≥ reference value b ≥ reference value b test method ISO 2431 test condition base + activator 8 * Flow time requirements s ± 10 % ref. value a b Test method EN 3847 test condition base + activator + thinner 5 * Sedimentation rating requirements ml/4 h ≤ 30 test method ISO 2811 test condition ISO 3270 requirements g/cm3 base activator thinner 3 * Density
± 2 % ref. value a b ± 2 % ref. value a b — continued SIST EN 2434-005:2009

— ± 1 % ref. value a b ± 1 % ref. value a b 16 Isocyanate value test method ISO 11909 12 IR spectroscopy test method EN 6042 test method ISO 1524 requirement µm base activator thinner 10 Fineness of grind
To meet the gloss level stated in Table 3 — test method none panel EN 383
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