1、Do cunienE 93/71 2351 DC 91 623 Latest date ?or receipt of comments Our ref ACE/44/-/1 Fanei ACE/44/-/1 Date Panei for paints for aerospace use DRAFT EUROPEAN STANDARD AEROSPACE SERIES CORROSION RESISTANT, TWO-COMPONENT, COLD CURING PRIMER 2.435) This draft is no% available for public comment and yo
2、ur views and technical comments on it would be appreciated. If you have no specific comments to make but find it generally acceptable it muld be helpful if you would notify us accordingly. Suggestions entailing revision of the text should indicate the preferred wording. PIease quote the relevant cla
3、use number against any comment. The co-ordination of Ehe requirements ofthis draft with those of any related standards is of particular importance and you are invited to point out any areas where this may be necessary. All comments should be sent eo the Committee Secretary A E BANYARD its considerat
4、ion; no acknawledgement will normally be sent. Requests for further copies of this draft should be sent to: BCI COMMITTEES TO WHOSE MEMBERS THIS DRAFT HAS ALSO BEEN SENT - A2 - 93/7 123 51 s: Corrosion resistant, two-component, cold euring primer Draft 07/93 PEN 2435-0 Page 2 CP. 3.T8 i prEN 2435-0
5、Page 3 enis of this sana are met. .L fe re n c e 8 varnshes and their raw maerials - Teeraure and rniiiec for nditionin esting Aerospa series - Acid chroae pickling of Iminium alloys erospae series Paints an aishe - Two oot, poiyurhane finish paint erospc sedes ains and varnishes - Nature and mehod
6、for reparaion of surface of test peens in iiniu aKoys 3837 erosparx series - Paints and varnishes - Technical specification The prime are classie accoin to the nature of the most typi 9 chernjl eaion that occurs beween the two componen : ype A : epoxy - (reaction between an epoiy resin and an activa
7、tor with amino unctonal groups). olyureane - (readion between an hydroxyl functional resin and a poyiocyanae aclivator). euiren$ nernin deiivef-y, aliin, batch aceance, sampling, test mehos and other eiremens specific io the aeria are defined in EN 3840. B base containing one or several corrosion in
8、hibitors associated, or not, with pigent5 and fillers isped in a miflure of resins and solvents, - an activator solution, and, if need be, a thinner. These oponens shall be mixed in simple proportions, by volume or by weight, in accorelance with the spiies insio. prEN 2435-0 Page 4 or aiiion, all te
9、sts mnond in this anda dar, in the tables in annex A on ag$ 5 and med aut. ne, only %he tests e (“), in the &ie in annex A on pages 5 and 6, need to be mamed out. CP. 3.m prEN 2435-0 Page 5 Tests on the wet film eh if ra cs ens t i cs Units 4) 2) 3) The eiion specified is that oparci to the reference value (see note 2) The reference value is that establiseci during alicaion Choice between test 8 for non-thixotropic paints or test 9 for thixotropic paints gEN 2435-0 Page 6 o I I l i i l
