1、 ENGINEERING STANDARDS Material Specification SUPERCEDED EDS-M-6312 Textile Fiber Fleece This standard may be applied only for current project. It is Superceded for all future projects and replaced by GMW14194. :,p28T F*83 Note: 8 E:48t G8 =97 FF7 957%L+ , FG P-P Program .Bd# GMW14194 8p) $4=F7 957F
2、 . Copyright 2011 General Motors Company All Rights Reserved September 2011 Originating Department: GM Korea Engineering Standards Page 1 of 7 Version : 5 1 Introduction Note: Nothing in this standard supersedes applicable laws and regulations. Note: In the event of conflict between the Korean and
3、English language, the Korean language shall take precedence. 1.1 Purpose. This specification specifies the requirements of basic property for patterns and qualities of the textile fiber fleece used for sound absorber in automobiles. 1.2 Material Description. One of the following two types shall be u
4、sed. 1.2.1 Type A. Compression - molded textile fiber fleece mixed with resin that is used as bolster around the engine room. 1.2.2 Type B. Type A material with crepe paper on fleece as backing. 1.3 Typical Applications. This specification applies to the textile fiber fleece used for sound absorber
5、in automobiles. 2 References Note: Only the latest approved standards are applicable unless otherwise specified. 2.1 External Standards/Specifications. None 2.2 GM Standards/Specifications. EDS-M-0102 EDS-T-7302 EDS-T-7427 EDS-T-7611 EDS-T-7647 GMW14484 EDS-T-7132 EDS-T-7303 EDS-T-7602 EDS-T-7624 ED
6、S-T-7673 GMW3059 2.3 Additional References. None 1 P7 :0 : ., E:48 6 I$ . EDS-T-7302 50 N/100cm2 min. / 50 N/100cm2 81 . 3.1.8 Fluid resistance. / 8T= 94F2e . x Drop onto the engine room side 5ml of test solution for each 25cm2. Test and evaluation shall be performed at +23 5K. / x 7:*,; +7 6 25cm2
7、 5ml8 4G 68x &6 (*$ . 4G 0 D4# +23 E 5K72P 44F$ . GM KOREA ENGINEERING STANDARDS EDS-M-6312 Copyright 2011 General Motors Company All Rights Reserved September 2011 Page 4 of 7 Version : 5 Designations / 4G F+ Test Methods / 4G - Specifications / 3.1.8.1 Engine oil (material is equivalent real veh
8、icle). / 7: 7X8 (4= 9578:0 % 816 ). 3.1.8.1.1 After 15 minutes. / 15. G . 3.1.8.1.2 After 48 hours. / 4848 G . Infiltration into bolstering fleece, intermediate fleece and backing is allowed but their damage is not permitted. / : F*83 , :E8 F*83 -C -A7 ?C%L# 8t F7%L! 21 4A:# 66x6 F$ . 3.1.8.2 1 wt%-
9、Sodium chloride solution. / 1 wt%-703L . 3.1.8.2.1 After 8 hours. / 8 48 G . 3.1.8.2.2 After 48 hours. / 48 48 G . No infiltration and no adverse changes. / ?C%L: 6 .*F -G4 666 F$ . 3.1.9 Heat resistance. / !7(2e . x Place the sample into an oven of +115 2.5K for 24 hours5% in the 45inclined state t
10、o create a condition similar to the engine hood insulation. / x 7: G& 83)4 7 1F 3.2.1 9PE7# 728! 9*47 I7 F* !?! 6y75F8x -,?# 2e 724 666 F$ . 3.2.2 558 8:8t 8 9E=%L6 866 F+ 3 E6: 66x6 F$ . 3.2.3 -O8t 1B1+ 6x#( !7(2e -C 3.1.8 98 88x 7 , F6* 72T8p) F$ . 5.3 1 -C -L)X . GM 8-LE:47 8F 9P%P .E8! 8*8 4G D8
11、t ., 8-LE:47 9I%P 4G 8x 7 98x +94P6 F+ , 61 )= 987 :04 .2P8 388x -O6x6 F$ . &H88 , d# , 22e , 9P9 )9I ,* /D# 21: &%0 4)%P 6&F -8($ -P2%T 7 , 1)7 388x -O6x6 F$ . $* F84 6# F , 8-L958p) 4 4=8x F6 F$ . -$8 GE84 6# F , )=8# 38%L: 68t 9PE8 61 )= 987 +& F$- 4G 8x -L.) 3LFF 0* ,l2PGF6 F$ . 8. 77 86 :04 .2P
12、7t )=888 F87 8F $%P : 4G 8x 44F 3L 8$ . 5.4 FF2P# 6| %P$ . GM KOREA ENGINEERING STANDARDS EDS-M-6312 Copyright 2011 General Motors Company All Rights Reserved September 2011 Page 6 of 7 Version : 5 5.5 Material Safety Data Sheets/Safety Data Sheets (MSDS/SDS). For new product submissions, or when a
13、change in chemical composition of an existing product has occurred, a complete copy of the Material Safety Data Sheet/Safety Data Sheet must be submitted in compliance with the Globally Harmonized System of Classification and Labeling of Chemicals (GHS) requirements or other country-specific MSDS/SD
14、S requirements. In addition, product MSDS/SDS submissions must be in compliance with specific country General Motors TMC003 Material Safety Data Sheet/Safety Data Sheet guidance documents where available. 5.6 All materials supplied to this standard must comply with the requirements of GMW3059, Restr
15、icted and Reportable Substances for Parts. 6 Approved Sources Engineering qualifications of an approved source are required for this standard. Only sources listed in the GM Materials File under this standard number have been qualified by Engineering as meeting the requirements of this standard. For
16、other GM locations, the responsible Engineering group should be contacted to obtain the approved source in that individual country. 6.1 Approval and Quality Assurance Procedure. All raw materials shall be approved and regularly inspected for its quality prior to and during mass production delivery a
17、ccording to approval and quality assurance procedure for chemical raw materials (Spec. No. EDS-M-0102). 7 Notes 7.1 Glossary. Not applicable. 7.2 Acronyms, Abbreviations, and Symbols. GHS Globally Harmonized System MSDS Material Safety Data Sheet SDS Safety Data Sheet 8 Coding System This standard s
18、hall be referenced in other documents, drawings, etc., as follows: EDS-M-6312 5.5 ,p:6|98.(8* / 6|98.(8* (MSDS/SDS). 49PE8 )= D# d97 )=%L# 9PE ! GF,p: 92e8 -%P 7 , GF ,p: .* y E47 4F 2l 9G 43B (GHS) D# 5 :7!- ,p:6|98.(8* / 6|98.(8* 7 1F8x +9F# ,p:6|98.(8* / 6|98.(8* 9PF6+ F$ . 4958p) 9PE8 ,p:6|98.(8
19、 / 6|98.(8*# GM8 ,p:6|98.(8* / 6|98.(8*7 4F :?8 TMC0038 7 1F8x :43LF6+ F$ . 5.6 ., E:47 9P4%P +& 8:&8t GMW3059 (8TF,p: 179P )8 9P* &d(6 F$ . 6 38 6= 8 E:48t 38%P 6=7 $4F d3T95 :8x 7F$ . 8 E:47 8F d3T958 :8 7x*%P GM 88 +2l7 !7(%P 6=+8 8 E:48 7 1F8x 94A$ . $* :7!7 88?F GM 8 7 , F$- 4-) 38%P 6= 9I.(* 83LFd 88F2P# F$- :04 .2P7t GE8F6 F$ . 6.1 38 -C E:.(: 9 GMW14194) F9I957 =* (G)8*4G D4 )
