EN 4689:2012

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.XSRUDERLuft- und Raumfahrt - Anstrichstoffe - Zweikomponenten Polyurethan- Decklack, raumtemperaturhärtend - Hohe Elastizität und Beständigkeit gegen Chemikalien für militärische AnwendungSérie aérospatiale - Peinture et vernis - Peinture de finition polyuréthane à deux composants polymérisant à température ambiante - Haute flexibilité et résistance aux substances chimiques pour applications militairesAerospace series - Paints and varnishes - Two components cold curing polyurethane finish - 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 4689:2012SIST EN 4689:2012en01-september-2012SIST EN 4689:2012SLOVENSKI
STANDARD
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 4689
March 2012 ICS 49.040 English Version
Aerospace series - Paints and varnishes - Two components cold curing polyurethane finish - High flexibility and chemical agent resistance for military application
Série aérospatiale - Peinture et vernis - Peinture de finition polyuréthane à deux composants polymérisant à température ambiante - Haute flexibilité et résistance aux substances chimiques pour applications militaires
Luft- und Raumfahrt - Anstrichstoffe - Zweikomponenten Polyurethan- Decklack, raumtemperaturhärtend - Hohe Elastizität und Beständigkeit gegen Chemikalien für militärische Anwendung This European Standard was approved by CEN on 21 January 2012.
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-CENELEC 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-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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
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Avenue Marnix 17,
B-1000 Brussels © 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4689:2012: ESIST EN 4689:2012

EN 4688, Aerospace series — Paints and varnishes — Corrosion inhibiting two components cold curing primer for military application
EN 6042, Aerospace series — Organic compounds — Test method — Analysis by infrared spectroscopy 1) EN ISO 1513, Paints and varnishes — Examination and preparation of test samples
1) Published as ASD-STAN Prestandard at the date of publication of this standard (www.asd-stan.org). SIST EN 4689:2012

AMS 1527B, Cleaner for aircraft exterior surfaces water-miscible, foam-on, pressure-spraying 3) AMS 1533A, Cleaner for exterior aircraft surfaces gel-type, solvent-base 3) DEF STAN 68-10, Corrosion Preventive, Water Displacing NATO Code: C-634 Joint Service Designation: PX-24 STANAG 4477, Specification for Paints and Paint Systems, Resistant to Chemical Agents and Decontaminants, for the Protection of Aerospace Military Equipment 4)
BS 1595-1:1986, Propan-2-ol (isopropyl alcohol) for industrial use — Part 1: Specification for propan-2-ol (isopropyl alcohol).
2) Published by: DoD National (US) MIL. Department of Defense http://www.defenselink.mil/ 3) Published by: SAE National (US) Society of Automotive Engineers http://www.sae.org/. 4) Published by: NATO EU MIL. - National (US) Mil. North Atlantic Treaty Organization http://www.nato.int/docu/standar d.htm. SIST EN 4689:2012

In addition, the requirements for qualification of coatings in specific colours/gloss levels, shall be as defined in EN 3840. 6.3 Batch release testing The Manufacturer shall give evidence on the Test Report or the Certificate of Conformance that all the tests marked with the symbol * in this specification shall be performed for batch acceptance tests. 6.4 Compatibility of waterborne paints to solvent borne paints The waterborne top coat type III according to this specification shall be compatible to all primers qualified to EN 4687 and EN 4688. All tests to demonstrate the compatibility is defined in Tables 8 to 10 shall be performed. SIST EN 4689:2012

Material description Two components cold curing polyurethane top coat
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's instructions.
Technical specification EN 3840
Marking EN 3840
Storage stability EN 3840
Application and use Dry film thickness of (50 ± 5) µm (with primer SP-J-513-A-0013 or SP-J-513-A-0016 (25 ± 5) µm will be 65 µm to 85 µm)
Drying conditions (23 ± 2) °C / (50 ± 5) % RH for 7 (seven) days before testing. Finish is applied to the primer (EN 4687 or EN 2436-006) following drying up the primer for 4 (four) hours to 6 (six) hours as specified.
Quality assurance
EN 3840
Designation
Flexible polyurethane top coat
Packaging EN 3840
Health and safety EN 3840
Non volatile matter Test method EN ISO 3251 Requirements % m/m Base Activator Thinner ± 2 % ref. value a b ± 2 % ref. value a b — 49 Volatile
organic content (VOC) Test method EN ISO 11890-1 Test condition Base + Activator + Thinner Requirements g/l < values stated in Clause 5 b 7 Flash point Test method EN ISO 3679 or EN ISO 3680 Requirements °C Base Activator Thinner ≥ reference value a ≥ reference value a ≥ reference value a 8 * Flow time Test method EN ISO 2431 (cup 3 or cup 4) Test condition Base + Activator + Thinner Requirements s ± 10 % reference value a b 5 Sedimentation rating Test method EN 3847 Test condition Base + Activator + Thinner Requirements ml/4 h ≤ 30 3 * Density Test method EN ISO 2811-1 to EN ISO 2811-4 Test condition (23 ± 2) °C / (50 ± 5) % RH Requirements g/cm3 Base Activator Thinner Type I Type II Type III ≤ 1,6 ≤ 1,7 ≤ 1,5 ≤ 1,0 ≤ 1,1 ≤ 1,1 — — — continued SIST EN 4689:2012
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