1、 ENGINEERING STANDARDS Test Procedure LIMITED USE EDS-T-7422 Test Method of Weatherability of Organic Coating for Metal or Macromolecule Base Metal Do Not Use on New Program; No Replacement. =:!G2e 4G Note: 8 E:48t G8 =97 FF7 957%L+ , FG P-P Program 72P# 957%L: 6#$ . Copyright 2011 General Motors Co
2、mpany All Rights Reserved June 2011 Originating Department: GM Korea Engineering Standards Page 1 of 3 Version : 5 1 Scope Note: Nothing in this standard supersedes applicable laws and regulations. Note: In the event of conflict between the Korean and English language, the Korean language shall take
3、 precedence. 1.1 Purpose. This specification specifies the test method for weatherability (Xenon Arc weather-o-meter) of the organic coating for metal or macromoleculecule base material. 1.2 Applicability. This test method applies to measuring various changes on paint coating by conducting an exposu
4、re test on the aging of interior parts and colored plastics and metal organic-coated surface by sunlight and rain or water like dew under such condition that fluorescence generates from the Xenon arc of a weatheability equipment and water is sprayed. 2 References Note: Only the latest approved stand
5、ards are applicable unless otherwise specified. 2.1 External Standards/Specifications. None 2.2 GM Standards/Specifications. EDS-T-7415 2.3 Additional References. None 3 Resources 3.1 Equipment. 3.1.1 Test equipment shall be used which can keep light volume and temperature at 0.55 W/m2 340 nm and 70
6、3 E using a xenon lamp (For details, see EDS-T-7415). 1 P7 :0 : ., E:48 6&F !7$ :4-8! 9I8x $4=F 3L 6$ . :0 : F67t 7568 18 88x 7 , F6* 72T8p) F$ . 1.1 +95 . ., E:48t 07 38%P E:48x 957F$ . 2.1 17 E:4 / . None 2.2 GM E:4 / . EDS-T-7415 2.3 dA E:4 / . None 3 4G 88 3.1 4G 8/x . 3.1.1 Xenon (F8* 17 2F 3P
7、818p) F$ . 4 4G 92 72 48 0 G 4G 8x :FF$ . 4.1.2 4G 9 . .,E:48p).Bd-6!#7 1F8t $-188 F8F6 F+ , 4)$+ , 4G 2e952P , .(2P&%7$+d%L66F$ . 4.2 4G - . 4.2.1 C-F 9I8 6# F 4G D8 A d# 75 75 mm2 D# 75 150 mm2) :4/xF$ . 4.2.2 4G D8t 9PE8 E+7 dE ! H8 6# 8p) =x?F$ . 4.2.3 )d) 94A$ . 5 4G $8Bd 5.1 D4 . 4G 98 /G 4G D
8、8 -1 , .E8 , EB24 , -e6xG , 7( &% 818T,h* G8F$ . DF 4G :F :E .(8 -P2F 7 , 49D8 E(0 -GG818x G8F$ . GM KOREA ENGINEERING STANDARDS EDS-T-7422 Copyright 2011 General Motors Company All Rights Reserved June 2011 Page 3 of 3 Version : 5 6 Safety This standard may involve hazardous materials, operations,
9、and equipment. This standard does not propose to address all the safety problems associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. 7 Notes 7.1 Glo
10、ssary. Colored Plastics: Plastics made by adding dye to its raw material when injection-molded Exposure: Exposing to and leaving in the given test environment Conditioning: Treating the test piece prior to test to meet the test purposes Chalking: Turning white of the test piece surface 7.2 Acronyms,
11、 Abbreviations, and Symbols. Not applicable. 8 Coding System This standard shall be referenced in other documents, drawings, etc., as follows: Weather-o-meter test to EDS-T-7422 9 Release and Revisions This standard was originated in November 1991. It was first approved by Engineering Standard Commi
12、ttee in November 1991. It was first published in November 1991. 6 6|987 $4F 7 9 ., E:48t 88G ,p: , 86 , 8/x &%8x E FF 3L 8$ . ., E:48t 87 $4F 170 4)%P +& 6|98 ,l9P8 F8x 9P4F:# 6#$ . &d(2P 17 987 95FF 6|980 I 1B* 9DF , -18 9PF 728 957 7 .* 9IF# 8t ., E:4 1788 =y8 1F8$ . 7 768 9I8 7.1 98,l 76 . =1 F(3
13、D% : F(3D% 1 4 F(3D% 88* !7 70* GpFF7 2eGIF F(3D% . E!) : 9IF: 4G G7 “4P -?F . 98=* : 4G D8x 4G Fd 987 4G 7$7 .F%L$) =*F . -e6xG : 4G D E+8 H18p) -F# G81 7.2 66 -C dGl . F$-1F 68 . 8 Ed - $* ,l2P! $+ &%72P ., E:48 87%T &# $80 M8 EdF$ . =: !G2e 4G to EDS-T-7422 9 9P9I -C P9I 8)Y ., E:48t 1991“x 1187
14、E:4 -Gl4 .7 %L6 , d3TE:41,h7 8F 1991 “x 11 87 38%L6$ . ., E:48t 1991 “x 11 87 ) 9P9I / -PF%L6$ . Issue / P9I8)Y Publication Date / 38 88 Description (Organization) / 9PP9I76 (:04.2P ) 5 JUN 2011 Apply new Engineering Standard Template. Limited use with no replacement (Polymer / Organic Material Lab Team) / 4 d3TE:4 64 957 . F9I957 ($4=E:4 68 ) =* (G)8*4G D4 )
