1、 ENGINEERING STANDARDS Material Specification SUPERCEDED EDS-M-6672 Polyurethane Foam for Seat Pad This standard may be applied only for current projects. It is Superceded for all future projects and replaced by GMW15174. 4C D&7 E(*7)07 38%P E:48x 957F$ . 2.1 17 E:4 / . KS R 1082 2.2 GM E:4 / . EDS-
2、M-0102 EDS-T-7602 EDS-T-7603 EDS-T-7670 EDS-T-7671 EDS-T-7673 EDS-T-7694 GMW3059 2.3 dA E:4 / . TMC003 Material Safety Data Sheet guidance documents 3 7 1F 3.1 d., ,p2e . Table 1: General Properties / E 1: d., ,p2e Designations / 4G F+ Test Methods / 4G - Specifications / 3.1.1 Density. / -4$ . EDS-
3、T-7673 See drawings. / $+ =l9 . 3.1.2 Hardness (25%). / $ (25%). KS R 1082 See drawings. / $+ =l9 . GM KOREA ENGINEERING STANDARDS EDS-M-6672 Copyright 2011 General Motors Company All Rights Reserved June 2011 Page 2 of 5 Version : 3 Designations / 4G F+ Test Methods / 4G - Specifications / 3.1.3 Te
4、nsile strength. / 88 I$ . KS R 1082 3.1.3.1 Hot cure. 0.8 kg/cm2 min. / 0.8 kg/cm2 81 . 3.1.3.2 Cold cure. 0.8 kg/cm2 min. / 0.8 kg/cm2 81 . 3.1.4 Tensile extension. / 88 48 . KS R 1082 3.1.4.1 Hot cure. 110 % min. / 110 % 81 . 3.1.4.2 Cold cure. 100 % min. / 100 % 81 . 3.1.5 Tear strength. / 87( I$
5、 . KS R 1082 3.1.5.1 Hot cure. 0.5 kg/cm min. / 0.5 kg/cm 81 . 3.1.5.2 Cold cure. 0.5 kg/cm min. / 0.5 kg/cm 81 . 3.1.6 Resilient elasticity. / -L-P A2e . KS R 1082 3.1.6.1 Hot cure. 40 % min. / 40 % 81 . 3.1.6.2 Cold cure. 60 % min. / 60 % 81 . 3.1.7 Repeated compression. / -L.) 6 . KS R 1082 3.1.7
6、.1 Repeated compression residual strain. / -L.) 6 8* -GI8 . 3.1.7.1.1 Hot cure. 10 % max. / 10 % 8F . 3.1.7.1.2 Cold cure. 5 % max. / 5 % 8F . 3.1.7.2 25% hardness. / 25% $ -G8 . 3.1.7.2.1 Hot cure. 30 % max. / 30 % 8F . 3.1.7.2.2 Cold cure. 15 % max. / 15 % 8F . GM KOREA ENGINEERING STANDARDS EDS-M
7、-6672 Copyright 2011 General Motors Company All Rights Reserved June 2011 Page 3 of 5 Version : 3 Designations / 4G F+ Test Methods / 4G - Specifications / 3.1.8 22 hours compression residual strain. / 22486 8* -GI8 . KS R 1082 3.1.8.1 Hot cure. 10 % max. / 10 % 8F . 3.1.8.2 Cold cure. 7 % max. / 7
8、% 8F . 3.1.9 Permanent set. / 4.9 75 6 :888 . EDS-T-7670-B2 3.1.9.1 Without pre-treatment. / 98=* F: 68t 1B . 20 % max. / 20 % 8F . 3.1.9.2 After humidity aging in EDS-T-7671-E. / EDS-T-7671-E8 Humidity aging G . 3.1.9.2.1 Seat cushion. 30 % max. / 30 % 8F . 3.1.9.2.2 Seat back. 35 % max. / 35 % 8F
9、. 3.1.10 Volatility of organic constituents. / 8Td,p HL-P$ . - Reflectance. / - -L18 . EDS-T-7694 60 % min. / 60 % 81 . 3.1.11 Resistance to odor. / ?d2e . 3.1.11.1 A3 3.1.11.2 B3 EDS-T-7603 Rating 5 min. / 5 = 81 . Rating 5 min. / 5 = 81 . 3.1.12 Flammability. / !7$2e . - Burning rate. / - 7$22$ .
10、EDS-T-7602 90 mm/minute max. / 90 mm/. 8F . 3.2 Additional Requirements 3.2.1 For details, see part drawing. 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
11、of usage. 3.2 4 7 1F 3.2.1 dA 82lF 1F8t .E $+8x =l9 F . 4 9P9 )9I18 775 9 F$-1F 68 . 5 ?0 9I 5.1 -*1 9I . +& 8*# F$- 472P 170 4) , 8TGF 957 4#F :4- , ? , 9I -C 1F8x +94P6 F$ . GM KOREA ENGINEERING STANDARDS EDS-M-6672 Copyright 2011 General Motors Company All Rights Reserved June 2011 Page 4 of 5 Ve
12、rsion : 3 5.2 Language. In the event 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 m
13、aterial specification and approved by 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 documentat
14、ion normally required for initial release 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 agre
15、ed, all release tests shall be repeated 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 sh
16、all be made by any supplier until representative 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
17、 a 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
18、/SDS 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, Re
19、stricted 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. 5
20、.2 66 . 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$ . $* F84 6# F , 8-L958p) 4 4=8x F6 F$ . -$8 GE8
21、4 6# F , )=8# 38%L: 68t 9PE8 61 )= 987 +& F$- 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|
22、98.(8* 7 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$ . 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 !
23、7(%P 6=+8 8 E:48 7 1F8x 94A$ . GM KOREA ENGINEERING STANDARDS EDS-M-6672 Copyright 2011 General Motors Company All Rights Reserved June 2011 Page 5 of 5 Version : 3 For other GM locations, the responsible Engineering group should be contacted to obtain the approved source in that individual country.
24、 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 according to approval and quality assurance procedure for chemical raw materials (Spec. No. EDS-M-0102). 7 Notes 7.1 Glossary. Not a
25、pplicable. 7.2 Acronyms, Abbreviations, and Symbols. GHS Globally Harmonized System MSDS Material 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-6672 9 Release and Revisions This standard wa
26、s originated in May 1998. It was first approved by Engineering Standard Committee in May 1998. It was first published in May 1998. $* :7!7 88?F GM 8 7 , F$- 4-) 38%P 6= 9I.(* 83LFd 88F2P# F$- :04 .2P7t GE8F6 F$ . 6.1 38 -C E:.(: 9) 9P9I / -PF%L6$ . Issue / P9I8)Y Publication Date / 38 88 Description (Organization) / 9PP9I76 (:04.2P ) 3 JUN 2011 Apply new Engineering Standard Template. Superceded (Polymer / Organic Material Lab Team) / 4 d3TE:4 64 957 . F9I957 =* (G)8*4G D4 )
