1、 ENGINEERING STANDARDS Material Specification LIMITED USE EDS-M-6627 Three-Layer Deadening Mat Do Not Use on New Program; No Replacement. 2l?i -8 +C Note: 8 E:48t G8 =97 FF7 957%L+ , FG P-P Program 72P# 957%L: 6#$ . Copyright 2011 General Motors Company All Rights Reserved June 2011 Originating Depa
2、rtment: GM Korea Engineering Standards Page 1 of 6 Version : 4 1 Scope 1.1 Purpose. This specification specifies the requirements of basic property for the three-layer deadening mat used in automobile. 1.2 Material Description. Elastomer -modified PP with filter, on both sides are covered with polyu
3、rethane foam, and engine parts are attached polyurethane foil. 1.3 Typical Applications. This specification applies to the three layer-deadening mats for sound proofing on front wall, dash panel-outer (engine compartment). 2 References Note: Only the latest approved standards are applicable unless o
4、therwise specified. 2.1 External Standards/Specifications. ISO10534 2.2 GM Standards/Specifications. EDS-M-0102 EDS-T-5412 EDS-T-7301 EDS-T-7302 EDS-T-7403 EDS-T-7602 EDS-T-7604 EDS-T-7624 EDS-T-7673 EDS-T-7674 GMW3059 GMW14484 GMW14882 2.3 Additional References. TMC003 Material Safety Data Sheet gu
5、idance documents 1 P7 1.1 +95 . ., E:48t 8% =7 17%L# 2l?i -8 +C8 ,p2e8x G*F E:8x 4*F#$ , +958 8$ . 1.2 8: 8-L C2e . 6+7 Polyurethane Foam8 -PE %P Elastomer-Modified PP with Filler, Engine Compartment ;7# Polyurethane Foil8 9E= . 1.3 957 -88 . ., E:48t 8% = Dash Panel-Outer(Engine Compartment) &%8 .8
6、87 H8 -C =88 +958p) 17F# 2l?i -8 +C7 $4F7 957F$ . 2 4) E:4 / :0 : C-H +d%P 9I8 6# F 48 07 38%P E:48x 957F$ . 2.1 17 E:4 / . ISO10534 2.2 GM E:4 / . EDS-M-0102 EDS-T-5412 EDS-T-7301 EDS-T-7302 EDS-T-7403 EDS-T-7602 EDS-T-7604 EDS-T-7624 EDS-T-7673 EDS-T-7674 GMW3059 GMW14484 GMW14882 2.3 dA E:4 / . T
7、MC003 Material Safety Data Sheet guidance documents GM KOREA ENGINEERING STANDARDS EDS-M-6627 Copyright 2011 General Motors Company All Rights Reserved June 2011 Page 2 of 6 Version : 4 3 Requirements 3.1 General Properties. 3 7 1F 3.1 d., ,p2e . Table 1: General Properties / E 1: d., ,p2e Designati
8、ons / 4G F+ Test Methods / 4G - Specifications / 3.1.1 Structure. / 9 . 3.1.1.1 Heavy layer. 3.1.1.1.1 Material. / 8: . Elastomer-modified PP with fillers. 3.1.1.1.2 Density. / -4$ . EDS-T-7673 2.15 kg/dm3 r 10 %. 3.1.1.1.3 Residue on ignition. / G.8 . EDS-T-7301-A2 755 wt %. 3.1.1.1.4 Hardness. / $
9、 . EDS-T-7403 935 Shore A. 3.1.1.2 Foam. 3.1.1.2.1 Material. / 8: . Polyurethane foam. 3.1.1.2.2 Density. / -4$ . EDS-T-7673 (17020) g/dm3. 3.1.1.3 Foil 3.1.1.3.1 Material. / 8: . Polyurethane. 3.1.1.3.2 Thickness. / % . EDS-T-7624-1A 0.02 mm min. / 0.02 mm 81 . 3.1.2 Bending test. / 4G . y Width of
10、 the test piece: 50 mm. y Spindle: 50 mm. y Test temperature: 23 E 5K. y Test in two vertical direction. / y 4G D A d : E! 50 mm. y Spindle: 50 mm. y 4G 7$ : +23 E r 5K. y 3L:8 % -F 4G . No cracks. / 7( 68x . 3.1.3 Temperature stability (+110 E 2.5K, (1 hour r 5 minutes). / 7$ 6|9I2e (+110 E 2.5K, (
11、1 hour r 5 minutes). EDS-T-7604-1H 3.1.3.1 Dimensional change. / ?3L -G . y Determined in two directions standing vertically to each other. / y 3L:8 % -F ?U9I 1 mm max. / 1 mm 8F . GM KOREA ENGINEERING STANDARDS EDS-M-6627 Copyright 2011 General Motors Company All Rights Reserved June 2011 Page 3 of
12、 6 Version : 4 Designations / 4G F+ Test Methods / 4G - Specifications / 3.1.3.2 Other changes. / dA -G . No changes of surface and harmful odor. / E+ -G -C 8TFF !1 68x . 3.1.4 Temperature stability (-30) E 3K, (241) hours). / 7$ 6|9I2e (-30) E 3K, (241) hours). EDS-T-7604 -1H 3.1.4.1 Dimensional ch
13、ange. / ?3L -G . y Determined in two directions standing vertically to each other. / y 3L:8 % -F ?U9I 1 mm max. / 1 mm 8F . 3.1.4.2 Other changes. / dA -G . See paragraph 3.1.3.2. / 3.1.3.2F =l9 . 3.1.5 Chemicals resistance. / ! GF2e . EDS-T-7674 See paragraph 8 in EDS-T-7674. / EDS-T -7674 8F8x .0
14、. 3.1.5.1 Diesel fuel. / &H9X 7$* . 3.1.6 Flammability. / !7$2e . EDS-T-7602 - Burn rate. / - 7$2 2$ 90mm/minute max. / 90 mm/. 8F . 3.1.7 Sound attenuation characteristic by apamat test. Total thickness: 26 ) 28 mm (| 5mm foam + heavy layer + |18mm foam + foil). GMW14882 The curve, composed of foll
15、owing values may not be fallen below. / $8 F&) 2e%P Curve 6x() !)X4: + . 3.1.7.1 At 100 Hz. +5 dB 3.1.7.2 At 200 Hz. +5 dB 3.1.7.3 At 400 Hz. -2 dB 3.1.7.4 At 630 Hz. 0 dB 3.1.7.5 At 1,600 Hz. +23 dB 3.1.7.6 At 5,000 Hz. +45 dB 3.1.8 Sound attenuation characteristics by loudspeaker enclosure test. T
16、otal thickness: 26 ) 28 (| 5 mm foam + heavy layer + |18 mm foam + foil). EDS-T-5412 The curve, composed of following values may not be fallen below. / $8 F&) 2e%P Curve 6x() !)X4: + . 3.1.8.1 At 100 Hz +5 dB 3.1.8.2 At 400 Hz +5 dB 3.1.8.3 At 500 Hz +2 dB 3.1.8.4 At 630 Hz +8 dB 3.1.8.5 At 1,000 Hz
17、 +10 dB 3.1.8.6 At 5,000 Hz +42 dB GM KOREA ENGINEERING STANDARDS EDS-M-6627 Copyright 2011 General Motors Company All Rights Reserved June 2011 Page 4 of 6 Version : 4 Designations / 4G F+ Test Methods / 4G - Specifications / 3.1.9 Sound absorption. y The sound absorption can be determined alternat
18、ively in pipe (according to GMW14484) or in the reverberation chamber (according to ISO10534), at which at initial sampling both tests, for quality controls one of tests is to be performed. / y 4 7 1F . 3.2.1 dA 82lF 1F8t .E $+8x =l9 F . GM KOREA ENGINEERING STANDARDS EDS-M-6627 Copyright 2011 Gener
19、al Motors Company All Rights Reserved June 2011 Page 5 of 6 Version : 4 4 Manufacturing Process Not applicable. 5 Rules and Regulations 5.1 Legal Regulations. All materials must satisfy applicable laws, rules, regulations and recommendations valid in the country of usage. 5.2 Language. In the event
20、of conflict between the Korean and English language, the Korean language shall take precedence. 5.3 Inspection and Rejection. Samples of components or materials released to a GM material specification shall be tested for conformity with the requirements of this material specification and approved by
21、 the responsible Engineering department prior to commencement of delivery of bulk supplies. A new approval must be received for any changes, e.g., properties, manufacturing process, location of manufacture, etc. If not otherwise agreed, all testing and documentation normally required for initial rel
22、ease must be completed. It is the responsibility of the supplier to inform the customer in a timely manner, without solicitation, and to include documentation of all modifications of materials and/or processes and to apply for a new release. If not otherwise agreed, all release tests shall be repeat
23、ed and documented by the supplier prior to commencement of delivery of non-conforming bulk supplies. In individual cases, a shorter test can be agreed to between the responsible Engineering department and the supplier. 5.4 Initial Source Approval. No shipments shall be made by any supplier until rep
24、resentative initial production samples have been approved by the appropriate Materials Engineering department(s) as meeting the requirements of this specification. 5.5 Material Safety Data Sheets/Safety Data Sheets (MSDS/SDS). For new product submissions, or when a change in chemical composition of
25、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/SDS requirements. In addition, produ
26、ct MSDS/SDS submissions must be in compliance with specific country General Motors TMC003 Material Safety Data Sheet/Safety Data Sheet guidance documents where available. 4 9P9 )9I18 775 9 F$-1F 68 . 5 ?0 9I 5.1 -*1 9I . +& 8*# F$- 472P 170 4) , 8TGF 957 4#F :4- , ? , 9I -C 1F8x +94P6 F$ . 5.2 66 .
27、F67t 7568 18 88x 7 , F6* 72T8p) F$ . 5.3 1 -C -L)X . GM 8-LE:47 8F 9P%P .E8! 8*8 4G D8t ., 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$ . $* F84 6# F , 8-L958p) 4 4=8x F6 F$ . -$8 GE84 6# F ,
28、 )=8# 38%L: 68t 9PE8 61 )= 987 +& F$- 4G 8x -L.) 3LFF 0* ,l2PGF6 F$ . 8. 77 86 :04 .2P7t )=888 F87 8F $%P : 4G 8x 44F 3L 8$ . 5.4 FF2P# 6| %P$ . 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
29、 1F8x +9F# ,p:6|98.(8* / 6|98.(8* 9PF6+ F$ . 4958p) 9PE8 ,p:6|98.(8* / 6|98.(8*# GM8 ,p:6|98.(8* / 6|98.(8*7 4F :?8 TMC0038 7 1F8x :43LF6+ F$ . GM KOREA ENGINEERING STANDARDS EDS-M-6627 Copyright 2011 General Motors Company All Rights Reserved June 2011 Page 6 of 6 Version : 4 5.6 All materials supp
30、lied to this standard must comply with the requirements of GMW3059, Restricted 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 qu
31、alified by Engineering as meeting the requirements of this standard. For 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
32、 inspected for its quality prior to and during mass production delivery according 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 Materia
33、l Safety Data Sheet SDS Safety Data Sheet 8 Coding System This standard shall be referenced in other documents, drawings, etc., as follows: Material per EDS-M-6627 9 Release and Revisions This standard was originated in August 1995. It was first approved by Engineering Standard Committee in August 1
34、995. It was first published in August 1995. 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$- :04 .2P7t GE8F6
35、F$ . 6.1 38 -C E:.(: 9) 9P9I / -PF%L6$ . Issue / P9I8)Y Publication Date / 38 88 Description (Organization) / 9PP9I76 (:04.2P ) 4 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 )
