1、BRITISH STANDARD AEROSPACE SERIESBS EN2435-005:2006Paints and varnishes Corrosion resistant chromated two component cold curing epoxy primer Part 005: High corrosion resistance for military applicationThe European Standard EN 2435-005:2006 has the status of a British StandardICS 49.040g49g50g3g38g50
2、g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 2435-005:2006This British Standard was published under the authority of the Standards Policy and Strategy Co
3、mmittee on 31 July 2006 BSI 2006ISBN 0 580 48547 1National forewordThis British Standard is the official English language version of EN 2435-005:2006. The UK participation in its preparation was entrusted by Technical Committee ACE/65, Non-metallic materials for aerospace purposes (excluding textile
4、s), to Subcommittee ACE/65/-/3, Paints, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related international and E
5、uropean developments and promulgate them in the UK.A list of organizations represented on this subcommittee can be obtained on request to its secretary.Cross-referencesThe British Standards which implement international or European publications referred to in this document may be found in the BSI Ca
6、talogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its c
7、orrect application. Compliance with a British Standard does not of itself confer immunity from legal obligations.Summary of pagesThis document comprises a front cover, an inside front cover, the EN title page, pages 2 to 14, an inside back cover and a back cover.The BSI copyright notice displayed in
8、 this document indicates when the document was last issued.Amendments issued since publicationAmd. No. Date CommentsEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2435-005 June 2006 ICS 49.040 English Version Aerospace series - Paints and varnishes - Corrosion resistant chromated two component
9、 cold curing primer - Part 005: High corrosion resistance for military application Srie arospatiale - Peintures et vernis - Peinture primaire anti-corrosion chromate, deux composants polymrisant temprature ambiante - Partie 005 : Haute rsistance la corrosion pour applications militaires Luft- und Ra
10、umfahrt - Anstrichstoffe - Korrosionsbestndiger Zweikomponenten-Grundanstrich, kalthrtend, chromathaltig - Teil 005: Hoher Korrosionsschutz, fr militrische Anwendung This European Standard was approved by CEN on 27 February 2006. CEN members are bound to comply with the CEN/CENELEC Internal Regulati
11、ons 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 Central Secretariat or to any CEN member. This Europ
12、ean 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 Central Secretariat has the same status as the official versions. CEN members are the natio
13、nal 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 King
14、dom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2006 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 2435-005:2006: E2
15、 Contents Page Foreword3 1 Scope 4 2 Normative references 4 3 Definitions 5 4 Classification6 5 Batch release and qualification testing.6 6 Designation . 14 7 Requirements for fibre reinforced composites . 14 EN 2435-005:20063 Foreword This European Standard (EN 2435-005:2006) has been prepared by t
16、he AerosSpace and Defense Industries Association of Europe - Standardization (ASD-STAN). After enquiries and votes carried out in accordance with the rules of this Association, this Standard has re-ceived the approval of the National Associations and the Official Services of the member countries of
17、ASD, prior to its presentation to CEN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by December 2006, and conflicting national standards shall be withdrawn at the latest by December 2006. Attentio
18、n is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the
19、 following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Den-mark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxem-bourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Sloven
20、ia, Spain, Sweden, Switzer-land and the United Kingdom. EN 2435-005:20064 1 Scope This standard defines the requirements for a two component, chromated epoxy, high corrosion resistant primer. The coating shall be suitable for use on chromic acid anodised or conversion coated aluminium alloys and oth
21、er suitably prepared substrates. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated refer-ences, only the edition cited applies. For undated references, the latest edition of the referenced document (including amendments) appli
22、es. EN 2436-006, Aerospace series - Paints and varnishes - Corrosion resistant chromate-free two component cold curing epoxy primer - Part 006: High corrosion resistance for military application EN 3212, Aerospace series Paints and varnishes Corrosion test by alternate immersion in a buffered sodium
23、 chloride solution EN 3837, Aerospace series Paints and varnishes Nature and method for surface preparation of test pieces in aluminium alloys1)EN 3840, Aerospace series Paints and varnishes Technical specification1)EN 3847, Aerospace series Paints and varnishes Determination of sedimentation rating
24、1)EN 4160, Aerospace series Non-metallic materials Paints and varnishes Test methods Determina-tion of the effects of thermal exposure1)ISO 1513, Paints and varnishes Examination and preparation of samples for testing ISO 1517, Paints and varnishes Surface-drying test Ballotini method ISO 1518, Pain
25、ts 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 Deter
26、mination 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
27、 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 1) Published as ASD Prestandard at the date of publication of this standard. EN 2435-005:20065 ISO 2812-2, Pai
28、nts and varnishes Determination of resistance to liquids Part 2: Water immersion method ISO 3251, Paints, varnishes and plastics Determination of non-volatile-matter content ISO 3270, Paints and varnishes and their raw materials Temperatures and humidities for conditioning and testing ISO 3675, Crud
29、e petroleum and liquid petroleum products Laboratory determination of density Hy-drometer method ISO 3678, Paints and varnishes Print-free test ISO 3679, Determination of flash point Rapid equilibrium closed cup method ISO 3680, Determination of flash/no flash Rapid equilibrium closed cup method ISO
30、 4623-2, Paints and varnishes Determination of resistance to filiform corrosion Part 2: Aluminium substrates ISO 4628-2, Paints and varnishes Evaluation of degradation of coatings Designation of quantity and size of defects, and of intensity of uniform changes in appearance Part 2: Assessment of deg
31、ree of blistering ISO 4628-8, Paints and varnishes Evaluation of degradation of coatings Designation of quantity and size of defects, and of intensity of uniform changes in appearance Part 8: Assessment of degree of delami-nation and corrosion around the scribe ISO 4628-10, Paints and varnishes Eval
32、uation of degradation of coatings Designation of quantity and size of defects, and of intensity of uniform changes in appearance Part 10: Assessment of degree of filiform corrosion ISO 6270-1, Paints and varnishes Determination of resistance to humidity Part 1: Continuous condensa-tion ISO 7253, Pai
33、nts and varnishes Determination of resistance to neutral salt spray (fog) ISO 7724-1, Paints and varnishes Colorimetry Part 1: Principles ISO 7724-2, Paints and varnishes Colorimetry Part 2: Colour measurement ISO 7724-3, Paints and varnishes Colorimetry Part 3: Calculation of colour differences ISO
34、 9117, Paints and varnishes Determination of through-dry state and through-dry time Method of test ISO 9514, Paints and varnishes Determination of the pot-life of multicomponent coating systems Prepa-ration and conditioning of samples and guidelines for testing ISO 11890-1, Paints and varnishes Dete
35、rmination of volatile organic compound (VOC) content Part 1: Dif-ference method ISO 11890-2, Paints and varnishes Determination of volatile organic compound (VOC) content Part 2: Gas-chromatographic method 3 Definitions See EN 3840. EN 2435-005:20066 4 Classification The primer is classified accordi
36、ng to the following types and classes: Type I: Standard solvent content; Type II: Low volatile organic content ( 350 g/l); Class A: Standard pigments; Class B: Low infrared reflective pigments. 5 Batch release and qualification testing 5.1 Qualification tests For product qualification, all tests def
37、ined in this standard, in the Tables 1 to 7, shall be performed. A minimum of three batches shall be tested for qualification purposes. 5.2 Batch acceptance testing For batch acceptance the tests marked with the symbol * in the Tables 2 and 3 shall be performed. Table 1 General requirements Material
38、 description Epoxy primer, with corrosion resistance chromate pigments, for aerospace applications Formulation Base epoxy resin Activator with polyamide and/or amine resin Thinner Preparation These components shall be mixed in simple whole number pro-portions, by volume or weight, in accordance with
39、 the manufac-turers instructions. Technical specification EN 3840 Marking See EN 3840. Storage stability See EN 3840. Application and use Dry film thickness of (25 5) m. Drying conditions ISO 3270 for 168 h before testing. Freedom from defects See EN 3840. Quality assurance See EN 3840. Packaging Se
40、e EN 3840. Health and safety See EN 3840. EN 2435-005:20067 Table 2 Physical and chemical characteristics Delivery conditions Tests according to EN 3840 Test Test criteria Test requirements Test method ISO 1513 (as received in original container) * Condition Requirement Shall be free from extraneous
41、 matter and show no skinning, gelling, hard settlement or other defect which will prevent satisfactory application to produce a defect free film. Test method ISO 3251 Base Activator Thinner 1 * Non volatile matter Requirement % 2 % ref. valuea b 2 % ref. valuea b Test method ISO 11890-1, ISO 11890-2
42、 Test condition Base + activator + thinner 49 Volatile organic content (VOC) (Type II only) Requirement g/l reference valuebTest method ISO 3679 or ISO 3680 Base Activator Thinner 7 Flash point Requirement C reference valueb reference valueb reference valuebTest method ISO 2431 Test condition Base +
43、 activator 8 * Flow time Requirement s 10 % ref. valuea bTest method EN 3847 Test condition Base + activator + thinner 5 Sedimentation rating Requirement ml/4 h 30 Test method ISO 2811 Test condition ISO 3270 Base Activator Thinner 3 * Density Requirements g/cm3 2 % ref. valuea b 2 % ref. valuea b T
44、est method ISO 3675 Test condition ISO 3270 Base Activator Thinner 4 * Density hydrometer Requirement g/cm3 1 % ref. value a b 1 % ref. value a bTest method ISO 1524 Base Activator Thinner 10 Fineness of grind Requirement m 30 EN 2435-005:20068 Table 2 Physical and chemical characteristics Delivery
45、conditions (concluded) Tests according to EN 3840 Test Test criteria Test requirements Test method None Panel EN 3837 A2Pretreatment EN 3837 Process A or B or C Coating Coating to this standard. Test condition ISO 3270 * Application, properties and finish Requirement The paint film applied shall res
46、ult in a opaque even finish free from runs, sags, wrinkling, pin holing or other defects. Test method ISO 9514 Test condition Base + activator + thinner 20 * Pot life Requirement s or Pa.s Equal to the reference value after 4 h, and shall meet or fulfil all the specification re-quirements. Test meth
47、od ISO 1517 Panel EN 3837 A2Pretreatment EN 3837 Process A or B or C Coating Coating to this standard. Test condition ISO 3270 21 * Surface dry time Requirement h Type I 1 Type II 2,5 Test method ISO 3678 Panel EN 3837 A2Pretreatment EN 3837 Process A or B or C Coating Coating to this standard. Test
48、 condition ISO 3270 22 * Drying time Print free test Requirement h Type I 4 using a mass of 1 000 g Type II 5 using a mass of 1 000 g Test method ISO 9117 Panel EN 3837 A2Pretreatment EN 3837 Process A or B or C Coating Coating to this standard. Test condition ISO 3270 23 * Through dry time Requirem
49、ent h 16 * See 5.2 aThe deviation is that compared to the reference value (see Note b). bThe reference value is that established during qualification. EN 2435-005:20069 Table 3 Mechanical and physical characteristics Dried film Tests according to EN 3840 Test Test criteria Test requirements Test method ISO 2409 Panel EN 3837 A2Pretreatment EN 3
