1、 ENGINEERING STANDARDS Test Procedure SUPERCEDED EDS-T-7618 Test Method for the Resistance to Cleaning Agents of Automotive Components This standard may be applied only for current projects. It is Superceded for all future projects and replaced by GMW14334. 8% = .E8 !2l9P2e 4G - Note: 8 E:48t G8 =97
2、 FF7 957%L+ , FG P-P Program .Bd# GMW14334 ) $4=F7 957F$ . Copyright 2011 General Motors Company All Rights Reserved September 2011 Originating Department: GM Korea Engineering Standards Page 1 of 4 Version : 4 1 Scope Note: Nothing in this standard supersedes applicable laws and regulations. Note:
3、In the event of conflict between the Korean and English language, the Korean language shall take precedence. 1.1 Purpose. The purpose of this standard is to determine the effects of approved cleaning agents on automotive trim components. 1.2 Applicability. This standard shall be used to determine th
4、e resistance to cleaning agents of automotive components such as organic coated surfaces, plastics, and self adhesive films etc. 2 References Note: Only the latest approved standards are applicable unless otherwise specified. 2.1 External Standards/Specifications. None 2.2 GM Standards/Specification
5、s. EDS-T-7507 2.3 Additional References. None 3 Resources 3.1 Equipment and Reagents. 3.1.1 Humidity chamber for conditioning. 3.1.2 Containers of sufficient capacity to hold test pieces and cleaning agents. 3.1.3 Cotton cloth. 3.1.4 Cleaning agents (the synthetic detergent used in general). 1 P7 :0
6、 : ., 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 8% = .E8x 2l9P (Cleaning Agents)7 ?954A 7 2l9P7 8F E+-G 9I$* D4F8x +958p) F$ . 1.2 957 -88 . ., E:48t 8% = 787 .E :E F(3D% 9PE , 8TdD9 =*%P 9PE -C Fx*8 8TdD9 DD“7 9E=%P 9PE &%8 4G 7 957F$ . 2 4) E
7、:4 / :0 : C-H +d%P 9I8 6# F 48 07 38%P E:48x 957F$ . 2.1 17 E:4 / . None 2.2 GM E:4 / . EDS-T-7507 2.3 dA E:4 / . None 3 4G 88 3.1 4G 8/x -C 46 . 3.1.1 98=*7 3$ =- (Humidity Chamber). 3.1.2 4G D0 2l9P* =x7 3L 8# 7d . 3.1.3 +:,p . 3.1.4 2l9P (8-L958p) 2l=78p) “D* 17%L# F2e2l9P ). GM KOREA ENGINEERING
8、 STANDARDS EDS-T-7618 Copyright 2011 General Motors Company All Rights Reserved September 2011 Page 2 of 4 Version : 4 3.2 Test Piece. 3.2.1 In the case of tests on plastics, possible complete components shall be tested. If necessary, the test pieces shall be cut from components. In such cases the c
9、ut edges shall be suitably masked by the use of tape etc. 3.2.2 In the case of tests on organic coatings, possible complete components and specially prepared test panels shall be tested. The test panels shall be (250201) mm. The quality of the organic coating and its condition of application shall b
10、e the same as that of the completed components. 3.2.3 For self-adhesive films, the test pieces shall be the film plus organic coated steel panel as per clause 3.2.2. 3.2.4 For initial sample approval and arbitration purposes, at least 3 test pieces, and for routine quality control, at least 1 test p
11、ieces shall be tested. 4 Procedures 4.1 Conditions. 4.1.1 Test Conditions. Deviations from the requirements of this standard shall have been agreed upon. Such requirements shall be specified on component drawings, test certificates, reports, etc. 4.1.2 Conditioning. The test pieces shall be tested i
12、mmediately after conditioning as follows: 3.2 4G D . 3.2.1 F(3D% 9PE8 7 , 4#F F 7x9PE8x 4G D8p) F Fx7F+ 9PE8 8.8x 9 , -1 , :0* , .E8 , %C* , A ( (Crack) &% . 6 Safety This standard may involve hazardous materials, operations, and equipment. This standard does not propose to address all the safety pr
13、oblems 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 Glossary. Not applicable. 7.2 Acronyms, Abbreviations, and Symbols. Not appli
14、cable. 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 . F$-1F 68 . 7.2 66 -C dGl . F$-1F 68 . GM KOREA ENGINEERING STAN
15、DARDS EDS-T-7618 Copyright 2011 General Motors Company All Rights Reserved September 2011 Page 4 of 4 Version : 4 8 Coding System This standard shall be referenced in other documents, drawings, etc., as follows: 8 Ed - $* ,l2P! $+ &%72P ., E:48 87%T &# $80 M8 EdF$ . English Resistance to Cleaning Ag
16、ents of Trim Components to EDS-T-7618 - Rating 1 Grade (Clause 5.1) Test Method Designation ,l !2l9P2e 4G - EDS-T-7618 - Rating 1 &%= (5.1F ) 4G - 4G F+ 9 Release and Revisions This standard was originated in July 1990. It was first approved by Engineering Standard Committee in July 1990. It was fir
17、st published in July 1990. 9 9P9I -C P9I 8)Y ., E:48t 1990 “x 7 87 E:4 -Gl4 .7 %L6 , d3TE:41,h7 8F 1990“x 787 38%L6$ . ., E:48t 1990“x 787 ) 9P9I / -PF%L6$ . Issue / P9I8)Y Publication Date / 38 88 Description (Organization) / 9PP9I76 (:04.2P ) 4 SEP 2011 Apply new Engineering Standard Template. Superceded (Polymer / Organic Material Lab Team) / 4 d3TE:4 64 957 . F9I957 =* (G)8*4G D4 )
