EN 4688:2012

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Luft- und Raumfahrt - Beschichungsstoffe - Zweikomponenten Grundbeschichtung, korrosionshemmend, raumtemperaturhärtend, für militärische AnwendungSérie aérospatiale - Peinture et vernis - Peinture primaire anti corrosion chromate à deux composants polymérisant à température ambiante pour applications militairesAerospace series - Paints and varnishes - Corrosion inhibiting two components cold curing primer for military application95.020Vojaška tehnika. Vojaške zadeve. OrožjeMilitary engineering. Military affairs. Weapons49.040Prevleke 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 4688:2012SIST EN 4688:2012en,de01-september-2012SIST EN 4688:2012SLOVENSKI
STANDARD
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 4688
March 2012 ICS 49.040 English Version
Aerospace series - Paints and varnishes - Corrosion inhibiting two components cold curing primer for military application
Série aérospatiale - Peinture et vernis - Peinture primaire anti corrosion chromate à deux composants polymérisant à température ambiante pour applications militaires
Luft- und Raumfahrt - Beschichungsstoffe - Zweikomponenten Grundbeschichtung, korrosionshemmend, raumtemperaturhärtend, 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.
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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 4688:2012: ESIST EN 4688:2012

EN 4689, Aerospace series — Paints and varnishes — Two components cold curing polyurethane finish — High flexibility and chemical agent resistance for military application
EN ISO 1513, Paints and varnishes — Examination and preparation of test samples EN ISO 1518, Paints and varnishes — Scratch test EN ISO 1519, Paints and varnishes — Bend test (cylindrical mandrel) EN ISO 1520, Paints and varnishes — Cupping test EN ISO 1524, Paints, varnishes and printing inks — Determination of fineness of grind
1) Published as ASD-STAN Prestandard at the date of publication of this standard (www.asd-stan.org). SIST EN 4688:2012

AMS 1533A, Cleaner for exterior aircraft surfaces gel-type, solvent-base 3) ASTM B 117, Cleaner for exterior aircraft surfaces gel-type, solvent-base 4) DEF STAN 68-10, Corrosion Preventive, Water Displacing NATO Code: C-634 Joint Service Designation: PX-24 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 3840 apply.
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: ASTM National (US) American Society for Testing and Materials http://www.astm.org/ SIST EN 4688:2012

6.2 Qualification tests For product qualification, all tests defined in this standard, in the Tables 2 to 7, shall be performed. A minimum of three batches shall be tested for qualification purposes. 6.3 Batch acceptance 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 solventborne paints The waterborne primer type III shall be compatible to solventborne primers type I and type II according to this standard and to type I and type II primers to EN 4687. All tests to demonstrate the compatibility are defined in Table 7 and shall be performed. 6.5 Purchaser batch release testing The purchaser may perform any of the test of this specification deemed necessary to ensure continuing uniform quality in material shipments. SIST EN 4688:2012

Material description Primer, corrosion inhibiting, for aerospace applications
Formulation Base
Activator Thinner – if appropriate
Preparation These components shall be mixed in simple whole number proportions, by volume or weight, in accordance with the manufacturer's instructions.
Technical specification EN 3840
Marking See EN 3840.
Storage stability See EN 3840.
Application and use Dry film thickness of (25 ± 5) µm
Drying conditions (23 ± 2) °C / (50 ± 5) % RH for 7 (seven) days before testing, or after air drying for 4 (four) hours to 6 (six) hours before the application of the topcoat EN 4689. ISO 3270 for 7 (seven) days before application of the top EN 4689.
Quality assurance
See EN 3840.
Designation Primer corrosion inhibiting
Packaging See EN 3840.
Health and safety See EN 3840.
Table 2 — Physical and chemical character
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