1、 ENGINEERING STANDARDS Material Specification LIMITED USE EDS-M-6511 Rubber Cork Do Not Use on New Program; No Replacement. ,h A 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 Department: GM Korea Eng
2、ineering Standards Page 1 of 5 Version : 4 1 Scope 1.1 Purpose. This specification specifies the requirements of basic property for rubber cork used in automobile. 1.2 Material Description. Fine grained cork-to medium coarse grain cork. 1.3 Typical Applications. This specification applies to rubber
3、cork for the sealing. 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-M-8020 EDS-T-7132 EDS-T-7424 EDS-T-7665 GME60352 GMW3059 2.3 Additional References. TMC00
4、3 Material Safety Data Sheet guidance documents 3 Requirements 3.1 General Properties 1 P7 1.1 +95 . ., E:48t 8% =7 17%L# Rubber Cork 8 ,p2e8x G*F E:8x 4*F#$ , +958 8$ . 1.2 8: 8-L C2e . Fine grained cork-to medium coarse grain cork. 1.3 957 -88 . ., E:48t 8% =7 Sealing 8 7$) 17F# Rubber Cork 8:7 $4
5、F7 957F$ . 2 4) E:4 / :0 : C-H +d%P 9I8 6# F 48 07 38%P E:48x 957F$ . 2.1 17 E:4 / . None 2.2 GM E:4 / . EDS-M-0102 EDS-M-8020 EDS-T-7132 EDS-T-7424 EDS-T-7665 GME60352 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
6、 d., ,p2e Designations / 4G F+ Test Methods / 4G - Specifications / 3.1.1 Hardness. / $ . 70 r 5 (Shore A) 3.1.2 Density. / -4$ . GME60352 720 g/ min. / 720 g/ 81 . 3.1.3 Tensile strength (Test speed: 300 mm/minute). / 88 I$ (4G 2$ : 300 mm/. ). EDS-T-7132-L 15 kg/cm2 min. / 15 kg/cm2 81 . GM KOREA
7、 ENGINEERING STANDARDS EDS-M-6511 Copyright 2011 General Motors Company All Rights Reserved June 2011 Page 2 of 5 Version : 4 Designations / 4G F+ Test Methods / 4G - Specifications / 3.1.4 Elongation at break (Test speed: 300 mm/minute). / 88 48 (4G 2$ : 300 mm/. ). EDS-T-7132-L 35 % min. / 35 % 81
8、 . 3.1.5 Bending Test. / H 4G . y The finished part is bended by 360 round a spindle which diameter is equal to the double of the thickness of the parts. / y 8: % 8 2 -d %L# Spindle7 360q Bending 4A$ No cracks. / 7( 68x . 3.1.6 Determining of the Compressive Strength. / 6 C2e . EDS-T-7665 3.1.6.1 Me
9、thod 1: EDS-T-7665-B. / - 1: EDS-T-7665-B. y Mandrel - 6.4mm, loading 9kg. / y 46DD : :* 6.4mm, F:E : 9 kg. 3.1.6.1.1 Compression. / 68 . 15 ) 30 % 3.1.6.1.2 Resilience. / G.)8 . 80 % min. / 80 % 81 . 3.1.6.2 Method: 2. / - 2. y The thickness of the test piece at least 6.5 mm. y Initial loading: 0.0
10、7 kg/cm2. y Main loading: 7 kg/cm2. y Under main loading measured after 1 minute loading. y Resilience shall by measure under unloading after further 5 minutes. / y 4D% : 2P 6.5mm %L F$ . y 8 . 7 15 % 3.1.7 Oil resistance. / !8T2e . 3.1.7.1 Immersed in Engine oil (EDS-M-8020) at +100 E for 24 hours.
11、 Measure Compression and resilience according to paragraph 3.1.6.2. / EDS-M-8020 7:7X87 +100 E8 97 24 48 ?95 G 3.1.6.2 8 -7 3.1.7.2.1 Change of the length. / l8 -G . 0 +2 % 3.1.7.2.2 Change of the volume. / =95 -G . 0 +10 % 3.1.8 Compression set at high temperature. / 772P 6 C2e . EDS-T-7424-C - Pre
12、ssure deformations rest 80 % max. / 80 % 8F . 3.1.9 Temperature stability. / 7$ 6|9I2e . y Test pieces of 37cm length are stored for 24hours the oven at +100 E . / y 37 cm l88 4G D8x +100 E , 2448 aging G ; y Test pieces of 37cm length are stored for 24hours the oven at +100 E . 3.1.9.1 Change of th
13、e length. / l8 -G . (- 0.6) % max. / (- 0.6) % 8F . 3.2 Additional Requirements 3.2.1 Further details, see parts drawings. 4 Manufacturing Process Not applicable. 5 Rules and Regulations 5.1 Legal Regulations. All materials must satisfy applicable laws, rules, regulations and recommendations valid i
14、n the country of usage. 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 requirem
15、ents of this material 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
16、and documentation normally required for initial release must be completed. 3.2 4 7 1F 3.2.1 dA 82lF 1F8t .E $+8x =lF . 4 9P9 )9I18 775 9 F$-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 . F67t 7568 18 88x 7 , F6* 72T8p) F$ . 5.3 1 -C -L)X .
17、 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$ . $* F84 6# F , 8-L958p) 4 4=8x F6 F$ . -$8 GE84 6# F , )=8# 38%L: 68t 9PE8 61 )= 987 +& F$- 4G 8x -L.) 3LF
18、F 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 1F8x +9F# ,p:6|98.(8* / 6|98.(8* 9PF6+ F$ . 4958p)
19、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 !7(%P 6=+8 8 E:48 7 1F8x 94A$ . $* :7!7 88?F GM 8 7 , F$- 4-)
20、 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 ) 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 )
