GMKOREA EDS-M-6511-2011 Rubber Cork.pdf
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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.
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