1、 ENGINEERING STANDARDS Test Procedure SUPERCEDED EDS-T-7604 Test Method for Determining the Temperature Stability of Automotive Trim Materials This standard may be applied only for current projects. It is Superceded for all future projects and replaced by GMW14124. 8% = C*8:8 7$6|9I2e 4G - Note: 8 E
2、:48t G8 =97 FF7 957%L+ , FG P-P Program .Bd# GMW14124 ) $4=F7 957F$ . Copyright 2011 General Motors Company All Rights Reserved September 2011 Originating Department: GM Korea Engineering Standards Page 1 of 5 Version : 4 1 Scope Note: Nothing in this standard supersedes applicable laws and regulati
3、ons. Note: 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 temperature stability of automotive interior trim materials (e.g. plastic films, leather cloths, textiles, fiberboard,
4、 cardboard, laminates, vinyl extrusions and similar materials). 1.2 Applicability. This standard shall be used to determine the changes of dimensions and appearances of the test piece after subjection to specified temperatures for specified periods of time. 2 References Note: Only the latest approve
5、d standards are applicable unless otherwise specified. 2.1 External Standards/Specifications. None 2.2 GM Standards/Specifications. EDS-T-7507 2.3 Additional References. None 3 Resources 3.1 Equipment. 3.1.1 Chamber capable of conditioning according to EDS-T-7507. 3.1.2 Air forced circulating oven c
6、apable of maintaining the required temperature within 2.5K. 3.1.3 Cold Chamber capable of maintaining a temperature of (-30) E 3K. 3.1.4 Cutting dies or shears for preparation of test pieces. 1 P7 :0 : ., E:48 6 -F8 l8 -G F$ EdF$ . 6 6|987 $4F 7 9 ., E:48t 88G ,p: , 86 , 8/x &%8x E FF 3L 8$ . ., E:4
7、8t 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 . 8 Ed - $* ,l2P! $+ &%72P ., E:48 87%T &# $80 M8 EdF$ . English Temperature Stability to EDS-T-7604 -
8、 1B Dimensional Change Warp 5% Weft 5% Other change See Clause 5.2 Temperature Stability to EDS-T-7604 - 2G Dimensional Change 0.6 % max. The Sum of Dimensional Changes 1.0 % max. Other change See Clause 5.2 Requirement Test condition Test Method Designation GM KOREA ENGINEERING STANDARDS EDS-T-7604
9、 Copyright 2011 General Motors Company All Rights Reserved September 2011 Page 5 of 5 Version : 4 ,l 7$ 6|9I2e - EDS-T-7604 - 1B l8 -G 9 -F 5% G -F 5% $* -G 5.29) 9P9I / -PF%L6$ . 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 )
