SIST EN 2434-002:2010
(Main)Aerospace series - Paints and varnishes - Two component cold curing polyurethane finish - Part 002: High chemical resistance
Aerospace series - Paints and varnishes - Two component cold curing polyurethane finish - Part 002: High chemical resistance
This European Standard specifies the requirements for a two component polyurethane finish to be applied over a primer for interior and exterior aerospace applications, where maximum resistance to normal operational fluids is required.
The properties specified in this European Standard are obtained on defined aluminium alloy test pieces prepared in accordance with EN 3837 Procedure A and EN 23270 and painted with primer to EN 2435-002. 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 002: Hohe Beständigkeit gegen Chemikalien
Diese Europäische Norm legt die Anforderungen an eine Zweikomponenten-Polyurethan-Deckbeschichtung fest, die auf einen Primer für Innen- und Außenanwendungen in der Luft- und Raumfahrt aufzubringen ist, für die eine maximale Beständigkeit gegenüber üblichen Betriebsflüssigkeiten erforderlich ist. Die in dieser Europäischen Norm festgelegten Eigenschaften werden an festgelegten Probenkörpern aus Aluminiumlegierung ermittelt, die nach EN 3837, Verfahren A sowie nach EN 23270 hergestellt und mit Primer nach EN 2435-002 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 002: Tenue chimiques aux fluides
Aeronavtika - Barve in laki - Dvokomponentni poliuretanski končni premaz, ki se suši pri sobni temperaturi - 002. del: Visoka kemijska odpornost
Ta evropski standard določa zahteve za dvokomponentni poliuretanski končni premaz, ki se nanese čez temeljni premaz za notranjo in zunanjo uporabo v aeronavtiki, kjer se zahteva maksimalna odpornost na običajne obratovalne tekočine. Lastnosti, določene v tem evropskem standardu, so pridobljene na definiranih preskusnih kosih aluminijeve zlitine, pripravljenih v skladu z EN 3837, Postopkom A in EN 23270 ter premazane 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
- Status
- Published
- Publication Date
- 02-Nov-2010
- Technical Committee
- I13 - Imaginarni 13
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 15-Oct-2010
- Due Date
- 20-Dec-2010
- Completion Date
- 03-Nov-2010
Relations
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
Overview
SIST EN 2434-002:2010 is a European standard developed within the Aerospace Series, focusing on paints and varnishes with a specific emphasis on two-component, cold curing polyurethane finishes with high chemical resistance. This standard is essential for ensuring that coatings applied to aerospace components - both interior and exterior - provide maximum resistance to normal operational fluids encountered throughout service life. It outlines the requirements for preparation, application, and performance assessment of these finishes, underpinning the safety and integrity of aerospace assemblies.
Key Topics
- Two-Component Polyurethane Finish: The standard specifies systems using a base component (hydroxyl-functional resin, solvents, pigments) and a polyisocyanate activator, potentially with a thinner as required by the manufacturer.
- High Chemical Resistance: Emphasizes the need for resistance to a wide range of operational fluids (like hydraulic oils, fuels, and de-icing agents) typically encountered in aerospace environments.
- Application Over Primers: The polyurethane finish is intended for application over a compatible primer (in accordance with EN 2435-002), enhancing adhesion and corrosion protection.
- Defined Test Methods and Qualification: Use of standardized test pieces made from aluminium alloys per EN 3837 and EN 23270, ensuring repeatable performance assessments. Qualification and batch release testing are explicitly addressed for ongoing quality assurance.
- Technical Requirements: Specifications include appearance, coating thickness, drying times, gloss, color stability, adhesion, scratch resistance, water behavior, and artificial weathering performance, promoting durability and consistency.
Applications
The requirements outlined in SIST EN 2434-002:2010 are suited for a variety of aerospace and high-demand industrial contexts, such as:
- Aircraft Structure and Components: Both interior and exterior surfaces where exposure to aggressive fluids is anticipated.
- Helicopters and Spacecraft: Surfaces requiring reliable chemical protection under challenging operational conditions.
- Industry Coatings: Where similar operational demands exist, such as transportation, defense, and specialized equipment.
- Protective Coating Systems: Any structure that relies on multi-layered, high-performance coatings for longevity and minimized maintenance.
- Alternative Substrates and Primers: While aluminium alloys and specified primers are referenced, supplementary testing protocols are suggested for other materials or altered process conditions, supporting innovation and adaptation within the aerospace coatings sector.
Related Standards
For an integrated quality approach and to meet the specifications of SIST EN 2434-002:2010, several related standards should also be referenced:
- EN 2435-002: Chromated two-component cold curing primer - essential for substrate priming before polyurethane finish application.
- EN 23270: Specification for preparation and testing of aluminium alloys as substrates.
- EN 3837: Guidelines for surface preparation procedures and nature of test pieces.
- EN 3840: Detailed tests for paints and varnishes used in the aerospace sector.
- EN 2379: Test fluids for non-metallic materials compatibility assessments.
- EN 4385: General organization of non-metallic materials standardization within the aerospace series.
Practical Value
The adoption of SIST EN 2434-002:2010 ensures:
- Extended Service Life: Enhanced resistance to chemical attack, reducing maintenance needs and extending the operational life of aerospace assets.
- Verified Quality and Safety: Formalized batch testing and qualification procedures provide confidence in product performance.
- Regulatory Alignment: Fulfilling recognized European standards supports compliance with procurement and certification requirements across the aerospace industry.
- Consistent Performance: Tight specifications for application, drying, and film quality help achieve uniform coating outcomes essential for critical aerospace environments.
By specifying polyurethane finishes with proven high chemical resistance, this standard plays a pivotal role in modern aerospace manufacturing and maintenance strategies, delivering robust protection for mission-critical components.
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Frequently Asked Questions
SIST EN 2434-002:2010 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Aerospace series - Paints and varnishes - Two component cold curing polyurethane finish - Part 002: High chemical resistance". This standard covers: This European Standard specifies the requirements for a two component polyurethane finish to be applied over a primer for interior and exterior aerospace applications, where maximum resistance to normal operational fluids is required. The properties specified in this European Standard are obtained on defined aluminium alloy test pieces prepared in accordance with EN 3837 Procedure A and EN 23270 and painted with primer to EN 2435-002. 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 to be applied over a primer for interior and exterior aerospace applications, where maximum resistance to normal operational fluids is required. The properties specified in this European Standard are obtained on defined aluminium alloy test pieces prepared in accordance with EN 3837 Procedure A and EN 23270 and painted with primer to EN 2435-002. 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.
SIST EN 2434-002:2010 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.
SIST EN 2434-002:2010 has the following relationships with other standards: It is inter standard links to SIST EN ISO 3696:1998, SIST EN 2334:2001, SIST EN ISO 1513:2011, SIST EN 2435-002:2009, SIST EN 3840:2009, SIST EN 23270:1997, SIST EN 4588:2009, SIST EN 4406:2009. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
SIST EN 2434-002:2010 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
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 002: Hohe Beständigkeit gegen ChemikalienSérie aérospatiale - Peintures et vernis - Peinture de finition polyuréthane, à deux composants polymérisant à température ambiante - Partie 002: Tenue chimiques aux fluidesAerospace series - Paints and varnishes - Two component cold curing polyurethane finish - Part 002: High chemical resistance49.040Prevleke 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 2434-002:2010SIST EN 2434-002:2010en,de01-december-2010SIST EN 2434-002:2010SLOVENSKI
STANDARD
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 2434-002
September 2010 ICS 49.040 English Version
Aerospace series - Paints and varnishes - Two component cold curing polyurethane finish - Part 002: High chemical resistance Série aérospatiale - Peintures et vernis - Peinture de finition polyuréthane, à deux composants polymérisant à température ambiante - Partie 002: Tenue chimiques aux fluides
Luft- und Raumfahrt - Beschichtungsstoffe - Zweikomponenten- Polyurethan-Decklack, kalthärtend - Teil 002: Hohe Beständigkeit gegen Chemikalien 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.
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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 2434-002:2010: ESIST EN 2434-002:2010
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