1、STD-AECMA PREN b085-ENGL 1777 1012311 0017071 b02 W Edition approved for publication 1999-1 0-31 AECMA STANDARD prEN 6085 NORME AECMA Edition P 1 AECMA NORM October 1999 Comments should be sent within six months after the date of publication to AECMA Gulledelle 94 C7 Chairman Mr Wright 8-1200 BRUXEL
2、LES PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES (AECMA) Gulledelle 94 - E1200 BRUXELLES - Tel. (+32) 2 775 81 10 - Fax. (+32) 2 775 81 11 - ICs: Srie arospatiale Matriaux non-mtalliques Film poxy de suraage ENGLISH VERSION Aerospace series Non-metallic materials Epoxy surfacing fil
3、ms Luft- und Raumfahrt Nichtmetallische Werkstoffe Epoxid-G Ittungsf ilm This “Aerospace Series“ Prestandad has been drawn up under the responsibility of AECMA (The European Association of Aerospace Industries). It is published on green paper for the needs of AECMA-Members. It has been technically a
4、pproved by the experts of the concerned Technical Committee fo/lowing comment by the Member countries. Subsequent to the publication of this Prestandard, the technical content shall not be changed to an extent that interchangeabilify is affected, physically or functionally, without re-identification
5、 of the standard. After examination and signature of the AECMA Standard Checking Centre (NPS) and formal agreement of.the Ofticia/ Services of the Member countries it will be submitted as a draft European Standard to CE# (European Committee for Standardization) for formal vote. Page 2 pEM 6085: 1999
6、 Contents list 1 Scope 2 Normative references 3 Technical requirements e STDmAECflA PREN 6085-ENGL 1999 _- I LO32333 0037093 485 m Page 3 prEN 6085: 1999 I Scope This standard defines the characteristics of epoxy surfacing films for improving the surface finish of thermosetting composite components
7、for aerospace applications. 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 references, subseq
8、uent amendments to, or revisions of any of these publications apply I 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. , EN 2243-7 EN 2330 EN 3003 EN 6040 EN 6042 EN 6043 EN 6084 Aerospa
9、ce series - Structural adhesives - Test methods - Part 7: Determination of the resin flow of adhesive foils 1) Aerospace series - Textile glass fibre preimpregnates - Test method for the determination of the content of volatile matter Aerospace series - Determination of mass per unit area of film ad
10、hesive 1) Aerospace series - Non-metallic materials - Test method - Analysis of thermoset systems by High Performance Liquid Chromatography (HPLC) 2) Aerospace series - Organic compounds - Test method - Analysis by infrared spectroscopy 2) Aerospace series - Thermosetting resin systems - Test method
11、 - Determination of gel time and viscosity 2) Aerospace series - Non-metallic materials - Surfacing films - Technical specification - General requirements 2) 3 Technical requirements 3.1 General The nominal curing temperature of the surfacing film is 120 “C or 180 “C as specified in the relevant IPS
12、. The service temperature range is - 50 “C to 80 “C for surfacing films cured at 120 “C and - 50 “C to 130 “C for those cured at 180 “C. When present, the carrier shall be non conductive. The surfacing film shall be cocured with the component. The values defined in this standard are minimum unless o
13、therwise stated. 3.2 Specific The physical and physicalchemical requirements are defined in Table 1. Unless otherwise agreed between the manufacturer and the Mandated Body at the onset of qualification, and specified in the relevant IPS, the test methods defined in Table 1 shall be employed. 1 1) in
14、 preparation at the date of publication of this standard 2) Published as AECMA Prestandard at the date of publication of this standard STD-AECMA PREN 6085-ENGL 1799 m 1012311 0017094 311 I Page 4 prEN 6085: 1999 Technical specification Supply req u rements Table I EN 6084 EN 6084 clauses 6 and 7 Nom
15、inal uncured thickness Colour I Appearance As defined in the IPS As defined in the IPS I EN 6084 sub clause 4.2.2 Carrier Resin type Non conductive: As defined in the IPS Modified epoxy 3 4 Test No. I Resin flow EN 2243-7 % As defined in the IPS Gel time EN 6043C Min u tes As defined in the IPS Prop
16、erty 1 Test method I Units 6 Requirements Work life at (23 f 2)“C - Days 2 14 1 1 Mass perunitarea 7 8 I EN3003 1 Infrared spectroscopy EN 6042 - As defined in the IPS HPLC EN 6040 - As defined in the IPS gim2 100 to 200 a 2 1 Volatile content 1 EN2330 1 % 1,5 I I I I 5 I Storage life at - 18C I - I Months I 26
