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本文(ASD-STAN PREN 2436-06-2005 Aerospace series Paints and varnishes Corrosion resistant chromate-free two component cold curing epoxy primer Part 06 High corrosion resistance for mili.pdf)为本站会员(amazingpat195)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

ASD-STAN PREN 2436-06-2005 Aerospace series Paints and varnishes Corrosion resistant chromate-free two component cold curing epoxy primer Part 06 High corrosion resistance for mili.pdf

1、AECMA STANDARD NORME AECMA AECMA NORM Edition approved for publication 31 January 2005 prEN 2436-06 Edition P 1 January 2005 Comments should be sent within six months after the date of publication to Non-metallic Material Domain AECMA-STAN ICs: Descriptors: ENGLISH VERSION Aerospace series Paints an

2、d varnishes Corrosion resistant chromate-free two component cold curing epoxy primer Part 06: High corrosion resistance for military application Srie arospatiale Peintures et vernis Peinture primaire anti-corrosion sans chromate deux composants polymrisant temprature ambiante Partie 06: Haute rsista

3、nce la corrosion pour applications militaires Luft- und Raumfahrt Anstrichstoffe Korrosionsbestndiger Zweikomponenten-Grundanstrich, kalthrtend chromatfrei Teil 06: Hoher Korrosionsschutz fr militrische Anwendung This “Aerospace Series“ frestandard has been drawn up under the responsibility of AECMA

4、-STAN (The European Association of Aerospace Industries - Standardization). It is published for the needs of the European Aerospace Industry. It has been technically approved by the experts of the concerned Domain following member comments. Subsequent to the publication of this frestandard, the tech

5、nical content shall not be changed to an extent that interchangeabilify is affected, physically or functionally, without re-identification of the standard. After examination and review by users and formal agreement of AECMA-STAN, it will be submitted as a draft European Standard (prEN) to CEN (Europ

6、ean Committee for Standardization) for formal vote and transformation to full European Standard (EN). The CEN national members have then to implement the EN at national level by giving the EN the status of a national standard and by withdrawing any national standards conflicting with the EN. I I Cop

7、ytight 2005 O by AECMA-STA1 Page 2 prEN 2436-06:2005 Foreword This standard was reviewed by the Domain Technical Coordinator of AECMA-STANS Non-metallic Material Domain. After inquiries and votes carried out in accordance with the rules of AECMA-STAN defined in AECMA- STANS General Process Manual, t

8、his standard has received approval for Publication. Contents Page 1 Scope 3 2 Normative references . 3 Definitions 4 4 Classification . 5 5 Batch release and qualification testing . 5 5.1 Qualification tests 5 5.2 Batch acceptance testing . 5 6 Designation 13 7 Requirements for fibre reinforced comp

9、osites 13 Page 3 prEN 2436-06:2005 1 Scope This standard defines the requirements for a two component, chromate and lead free epoxy, high corrosion resistant primer. The coating shall be suitable for use on chromic acid anodised or conversion coated aluminium alloys, fibre reinforced composite mater

10、ials and other suitably prepared substrates. 2 Normative references This European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated r

11、eferences, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies (including amendments). IS0 151 3, IS0 151 7, IS0 151

12、8, IS0 151 9, IS0 1520, IS0 1524, IS0 2409, IS0 2431, IS0 281 1-1, IS0 281 1-2, IS0 281 1-3, IS0 281 1-4, IS0 2812-1, IS0 281 2-2, IS0 3251, IS0 3270, IS0 3675, IS0 3678, IS0 3680, Paints and varnishes - Examination and preparation of samples for testing Paints and varnishes - Surface-drying test -

13、Ballotini method Paints and varnishes - Scratch test Paints and varnishes - Bend test (cylindrical mandrel) Paints and varnishes - Cupping test Paints, varnishes and printing inks - Determination of fineness of grind Paints and varnishes - Cross-cut test Paints and varnishes - Determination of flow

14、time by use of flow cups Paints and varnishes - Determination of density - Patt I: Pyknometer method Paints and varnishes - Determination of density - Patt 2: Immersed body (plummet) method Paints and varnishes - Determination of density - Patt 3: Oscillation method Paints and varnishes - Determinat

15、ion of density - Patt 4: Pressure cup method Paints and varnishes - Determination of resistance to liquids - Patt I: General methods Paints and varnishes - Determination of resistance to liquids - Patt 2: Water immersion method Paints, varnishes and plastics - Determination of non-volatile-matter co

16、ntent Paints and varnishes and their raw materials - Temperatures and humidities for conditioning and testing Crude petroleum and liquid petroleum products - Laboratory determination of density - Hydrometer method Determination of flash point - Rapid equilibrium closed cup method Determination of fl

17、ashho flash - Rapid equilibrium closed cup method Page 4 prEN 2436-06:2005 IS0 4623-2, Paints and varnishes - Determination of resistance to filiform corrosion - Patt 2: Aluminium substrates IS0 4628-2, Paints and varnishes - Evaluation of degradation of coatings - Designation of quantity and size o

18、f defects, and of intensity of uniform changes in appearance - Patt 2: Assessment of degree of blistering IS0 4628-8, Paints and varnishes - Evaluation of degradation of coatings - Designation of quantity and size of defects, and of intensify of uniform changes in appearance - Patt 8: Evaluation of

19、corrosion around the scribe IS0 4628-1 O, Paints and varnishes - Evaluation of degradation of coatings - Designation of quantity and size of defects, and of intensity of uniform changes in appearance - Patt IO: Assessment of degree of filiform corrosion IS0 6270-1, Paints and varnishes - Determinati

20、on of resistance to humidity - Patt I: Continuous condensation IS0 7253, Paints and varnishes - Determination of resistance to neutral salt spray (fog) IS0 7724-1, Paints and varnishes - Colorimetry - Patt I: Principles IS0 7724-2, Paints and varnishes - Colorimetry - Patt 2: Colour measurement IS0

21、7724-3, Paints and varnishes - Colorimetry- Patt 3: Calculation of colour differences IS0 91 17, Paints and varnishes - Determination of through-dry state and through-dry time - Method of test IS0 9514, Paints and varnishes - Determination of the pot-life of liquid systems - Preparation and conditio

22、ning of samples and guidelines for testing IS0 11890-1, Paints and varnishes - Determination of volatile organic compound (VOC) content - Patt I: Difference method IS0 11890-2, Paints and varnishes - Determination of volatile organic compound (VOC) content - Patt 2: Gas-chromatographic method EN 243

23、4-05, EN 3212, EN 3837, EN 3840, EN 3847, EN 4160, Aerospace series - Paints and varnishes - Two component cold curing polyurethane finish - Patt 05: High flexibilify and chemical agent resistance for military application Aerospace series - Paints and varnishes - Corrosion test by alternate immersio

24、n in a buffered sodium chloride solution Aerospace series - Paints and varnishes - Nature and method for surface preparation of test pieces in aluminium alloys 1 ) Aerospace series - Paints and varnishes - Technical specification Aerospace series - Paints and varnishes - Determination of sedimentati

25、on rating ) Aerospace series - Non-metallic materials - Paints and varnishes - Test methods - Determination of the effects of thermal exposure ) 3 Definitions See EN 3840. 1) Published as AECMA Prestandard at the date of publication of this standard Page 5 prEN 2436-06:2005 4 Classification The prim

26、er is classified according to the following types and classes: Type I Standard solvent content; Type II Low volatile organic content ( 350 gh). Class A Standard pigments; Class B Low infrared reflective pigments. 5 Batch release and qualification testing 5.1 Qualification tests For product qualifica

27、tion, all tests defined 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 * shall be performed. Table 1 - General requirements Material

28、description Formulation Preparation Technical specification Marking Storage stability Application and use Drying conditions Freedom from defects Quality assurance Packaging Health and safety Lead and chromate free epoxy primer with corrosion resistance for aerospace applications Base - epoxy resin A

29、ctivator with amino functional groups Thinner These components shall be mixed in simple whole number proportions, by volume or weight, in accordance with the manufacturerss instructions. EN 3840 See EN 3840. See EN 3840. Dry film thickness of (25 f 5) pm IS0 3270 for 168 h before testing. See EN 384

30、0. See EN 3840. See EN 3840. See EN 3840. Page 6 prEN 2436-06:2005 I* Table 2 - Physical and chemical characteristics - Delivery conditions Non volatile matter 2 reference value 2 reference 2 reference value value k 2 % ref. k 2 % ref. 10 Fineness of grind Test Test criteria Test req ui remen ts acc

31、ording to EN 3840 * - test method IS0 1513 (as received in the original container) Condition requirement Shall be free from extraneous matter and show no skinning, gelling, hard settlement, or other defect which will prevent satisfactory application to produce a defect free film. IS0 3251 test metho

32、d requirement % I base I activator I thinner k 2 % ref. k 2 % ref. value ab I valueab I- 49 IS0 1 1890-1, IS0 1 1890-2 base + activator + thinner g/l I ref. value IS0 3679 or IS0 3680 Volatile organic content (VOC) (Type II only) test method test condition requirement test method 7 Flash point requi

33、rement “C I base I activator I thinner 8* I test method I IS02431 Flow time I :idition I base + activator I requirement I s k IO % ref. value ab 5 I Sedimentation I test method I EN 3847 rating I base + activator + thinner test condition Irequirement m1/4 h I g30 I test method I IS0 281 1 I :idition

34、 I IS03270 base I activator I thinner requirement g/cm3 4* I Density I test method IS0 3675 IS0 3270 test condition hydrometer requirement g/cm3 base I activator thinner k 1 %ref. I valueab k 1 % ref. value ab test method IS0 15 4 requirement base I activator thinner 30 I continued I I Page 7 prEN 2

35、436-06:2005 Test Table 2 - Physical and chemical characteristics - Delivery conditions (concluded) Test criteria Tests according to EN 3840 Pot life * - requirements The paint film applied shall result in a opaque even finish free from runs, sags, wrinkling, pin holing or other defects. test method

36、IS0 9514 20 * sor Pas 21 * Equal to the ref. value after 4 h, and shall meet or fulfil all the specification requirements. 22 * pretreatment coating 23 * EN 3837 - Process A, B or C coating to this standard Drying time - Print free test Test requirements test method IS0 3678 panel EN 3837 - A2 Appli

37、cation, 1 test method 1 none properties and panel finish EN 3837 - A2 pretreatment coating coating to this standard EN 3837 - Process A or B or C pretreatment coating I :idition I IS03270 EN 3837 - Process A, B or C coating to this standard requirement Surface dry time h Type I 4 using a mass of 1 O

38、00 g Type II 5 using a mass of 1 O00 g base + activator + thinner I :idition Through dry time requirement test method IS0 91 17 panel EN 3837 - A2 test method pretreatment coating panel EN 3837 - Process A, B or C coating to this standard EN 3837 - A2 I :idition I IS03270 requirement I h I Type I 1

39、Type II 2,5 I :idition I IS03270 I :idition I IS03270 I requirement I h I 16 a The deviation is that compared to the reference value (see Note ). The reference value is that established during qualification. Page 8 prEN 2436-06:2005 29 * Table 3 - Mechanical and physical characteristics - Dried film

40、 Scratch resistance test method pretreatment panel IS0 1518 EN 3837 - Process A or B or C EN 3837 - A2 test method panel IS0 1520 EN 3837 - A:, test method panel IS0 7724 EN 3837 - A:, 31 requirement To be agreed between purchaser and supplier IR reflection test method EN 3840. annex E panel factor

41、(Class B only) pretreatment EN 3837 - A2 EN 3837 - Process A, B or C 25 Bend test requirement test method To be agreed between purchaser and supplier IS0 1519 pretreatment coatina EN 3837 - Process B coatina to this standard Test criteria n Test Test req ui remen ts according to EN 3840 24 * I test

42、method I IS0 2409 Cross cut I panel I EN 3837 - A2 I pretreatment EN 3837 - Process A or B and C (B and C are I preferred) I coating I coating to this standard I =Adition I IS03270 I coating I coating to this standard I =Adition I IS03270 I I I requirement I 2 1 500 g a 46 * Slow deformation I pretr

43、eatment I EN 3837 - Process B and C coating I coating to this standard I =Adition I IS03270 I requirement I 2 3 mm 30 * Colour I pretreatment I EN 3837 - Process A, B or C coating I coating to this standard I =Adition I IS03270 coating I coating to this standard I =Adition I IS03270 cylindrical mand

44、rel I panel I EN 3837 - A6 I =Adition I (-55k2)“C I I reauirement I mandrel - 6 mm a Substrate not exposed No cracking or detachment (x10 magnification) Page 9 prEN 2436-06:2005 pretreatment coating Tests according to EN 3840 EN 3837 - Process B and C coating to this standard 38 requirement 37 EN 38

45、40 test 24 classification 1 EN 3840 test 29 2 1 500 g a EN 3840 test 46 2 3 mm 34 panel pretreatment coating Table 4 - Environmental exposure/testing - Dried film EN 3837 - A2 EN 3837 - Process B and C coating to this standard Test requirement Test criteria EN 3840 test 24 classification 1 EN 3840 t

46、est 29 2 1 500 g a IS0 4628-2, degree of blistering O Test requirements test method panel pretreatment Thermal exposure (resistance to high temperature) IS0 2812-2 EN 3837 - A2 EN 3837 - Process B and C I test method I EN4160 I :idition I panel I EN 3837 -A2 (40 k 2) OC, 168 h requirement I (150 k 2

47、) OC, 24 h test condition EN 3840 test 24 classification 1 EN 3840 test 29 2 1 500 g a IS0 4628-2, degree of blistering O Resistance to humidity I test method I IS0 6270-1 (40 k 2) OC, (95 to 100) % RH, 500 h I :idition Water behaviour I coating I coating to this standard a Substrate not exposed No

48、cracking or detachment (x10 magnification) The time lag between exposure and testing shall not exceed 0,5 h Page 10 prEN 2436-06:2005 42 Table 5 - Corrosion tests - Dried film Resistance to neutral salt according to EN 3840 Test Resistance to “ alternate immersion 43 Filiform corrosion resistance Te

49、st criteria test method panel pretreatment coating test condition requirement Test method panel pretreatment test requirement test method panel pretreatment coating test condition requirement Test req ui remen ts IS0 7253 EN 3837 - Al EN 3837 - Process A, B or C as specified coating to this standard (35 k 2) OC, 3 O00 h, Procedure Ba (35 k 2) OC, 1 O00 h, Procedure A and Ca EN 3840 test 24 classification 1 EN 3840 test 29 2 1 500 g IS0 4628-8, no corrosion more than 1,5 mm from the scratch IS0 4628-2, degree of blistering O EN 3212 EN 3837 - AI EN 3837 - Process B and C

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