1、 ENGINEERING STANDARDS Material Specification LIMITED USE EDS-M-7217 Tubing, Chlorinated Polyethylene Rubber Do Not Use on New Program; No Replacement. 7$*Gl37 957%L# 70GE(*7D,) F2e,h8 8: Note: 8 E:48t G8 =97 FF7 957%L+ , FG P-P Program 72P# 957%L: 6#$ . Copyright 2011 General Motors Company All Rig
2、hts Reserved June 2011 Originating Department: GM Korea Engineering Standards Page 1 of 4 Version : 4 1 Scope 1.1 Material Description. Chlorosulfonated polyethylene rubber of high temperature and ozone and medium oil resistances. 1.2 Typical Applications. This specification defines general requirem
3、ents for synthetic base rubber material, which is applied to protective cover of fuel. 2 References Note: Only the latest approved standards are applicable unless otherwise specified. 2.1 External Standards/Specifications. ASTM D297 ASTM D380 ASTM D471 2.2 GM Standards/Specifications. EDS-T-7403 EDS
4、-T-7408 EDS-T-7421 EDS-T-7423 EDS-T-7424 GMW3059 2.3 Additional References. TMC003 Material Safety Data Sheet guidance documents 3 Requirements 3.1 Test Piece. Size and number of test piece is determined in related test specifications. 3.2 General Properties. 3.2.1 Original Physical Properties. 3.2.
5、1.1 Tensile Strength (EDS-T-7408). 1,030 N/cm2 min. y Dumbbell-shaped test pieces. 3.2.1.2 Elongation (EDS-T-7408). 225 % min. y Dumbbell-shaped test pieces. 3.2.1.3 Modulus (EDS-T-7408). 340 N/cm2 min. y At 100 % elongation. 3.2.1.4 Hardness (EDS-T-7403). 65 ) 78(Shore A). 1 P7 1.1 8: 8-L C2e . “8t
6、 !7(2e -C !7X92e0 6# 9I$8 !7X82e8x 4: 70GE(*7D,) F2e,h . 1.2 957 -88 . ., 8t 8% =8 7$*Gl3 .(Gl*7 957%L# F2e,h 8:7 4F 8-L958 7 ?* 9IF 8$ . 2 4) E:4 / :0 : C-H +d%P 9I8 6# F 48 07 38%P E:48x 957F$ . 2.1 17 E:4 / . ASTM D297 ASTM D380 ASTM D471 2.2 GM E:4 / . EDS-T-7403 EDS-T-7408 EDS-T-7421 EDS-T-7423
7、 EDS-T-7424 GMW3059 2.3 dA E:4 / . TMC003 Material Safety Data Sheet guidance documents 3 7 1F 3.1 4G D . 4G D8 A d -C 3L(8t 4) 4G 72P :9IF$ . 3.2 d., 7 1F . 3.2.1 88* ,p2e . 3.2.1.1 88 I$ (EDS-T-7408). 1,030 N/cm2 81 . y 6x)mGI 4G D . 3.2.1.2 488 (EDS-T-7408). 225 % 81 . y 6x)mGI 4G D . 3.2.1.3 +%)
8、 3 (EDS-T-7408). 340 N/cm2 81 . y 100% 48 4 . 3.2.1.4 $ (EDS-T-7403). 65 ) 78(Shore A). GM KOREA ENGINEERING STANDARDS EDS-M-7217 Copyright 2011 General Motors Company All Rights Reserved June 2011 Page 2 of 4 Version : 4 3.2.2 Heat Aged Properties (EDS-T-7421-E2). 3.2.2.1 Tensile Strength Change. (
9、-25) % max. 3.2.2.2 Elongation Change. (-50) % max. 3.2.2.3 Hardness Change. 0 +10 (Shore A). y Shore A hardness is not to exceed 85 durometer. 3.2.3 Fuel Resistance (ASTM D 471, 70 hours at 232 E ). Immersion in ASTM Fuel “B” 3.2.3.1 Tensile Strength Change. (-50) % max. 3.2.3.2 Elongation Change.
10、(-30) % max. 3.2.3.3 Volume Change. +60 % max. 3.2.3.4 Hardness Change. (-25) 0 (Shore A). 3.2.4 Ozone Resistance. No cracks shall be shown. 3.2.4.1 The “as received“ part having a 25 mm minimum length, shall have one nipple expanded to a minimum internal diameter of twice the nominal inside diamete
11、r for a length of (193) mm by forcing the end of one fitting over the appropriate size metal mandrel lubricated with talc. 3.2.4.2 The expanded outside surface of the fitting shall be wiped with a cotton gauze wetted with naphtha (M14J148) to remove any wax or other foreign material which may affect
12、 the ozone test. 3.2.4.3 Place the elongated tubing at room temperature for 24 hours and put it in ozone tester of (1005) pphm. The inside temperature of the tester shall be at 38 E 1 K. 3.2.5 Compression Set (EDS-T-7424-E). 40 % max. 3.2.6 Vacuum Collapse. 3 % max. y Plug all openings of tubing, ex
13、pose it to a vacuum of 81 KPa for five minutes and measure the collapse of outside diameter the tubing. 3.2.7 Cold Flexibility (EDS-T-7423-C2). No cracks and breaks shall be shown. y Leave a tubing at (-40) E for 24 hours, flex it 180 over a mandrel with a diameter equal to 8 times the original outs
14、ide diameter of tubing. The test shall be conducted in the cold chamber (-40) E ) as rapidly as possible. 3.2.7.1 The test shall be conducted on the tubing in initial supply condition. 3.2.7.2 This test shall be conducted on the tubing which is subjected to heat aging in 3.2.2. 3.2.8 Burst Pressure
15、(ASTM D380). Specified burst pressure: 1.4 MPa min. y Plug one end of the tubing with the other end open, mount it in the test equipment, and leave it at 23 E for 1 hour. Apply pressure at a constant speed until it reaches specified burst pressure within 10 ) 15 seconds. 3.2.2 !7( “G G ,p2e -G (EDS-
16、T-7421-E2). 3.2.2.1 88I$ -G . (-25) % 8F . 3.2.2.2 488 -G . (-50) % 8F . 3.2.2.3 $ -G . 0 +10 (Shore A). y Shore A $# 85 8F866 F . 3.2.3 !7$*2e (ASTM D 471, 232 E 70 48 ). ASTM Fuel “B”7$* . 3.2.3.1 88I$ -G8 . (-50) % 8F . 3.2.3.2 488 -G8 . (-30) % 8F . 3.2.3.3 =95 -G8 . +60 % 8F . 3.2.3.4 $ -G . (-
17、25) 0 (Shore A). 3.2.4 !7X92e . 7( 68x . 3.2.4.1 25 mm l88 4G Gl37 :8 Gl3!8 2-d 8 , l84 (193) mm 9I$%L# AA * -H* +8 68x y Gl3* (-40) E72P 24 48 % 6| -?F G Gl378 8-d 9I$8 :8x 4:# +&)D7 4D8x 180) H$ . 8 4G 8t (-40) E8 947 =- !72P FF+ , 4#F F /* 48 !7 4G 8x FF$ . 3.2.7.1 4G (ASTM D297). 3.2.9.1 Toluene
18、. 15 % 8F . 3.2.9.2 Waxy Hydrocarbons. 0.75 % 8F . 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 . GM 8-LE:47 8F 9P%P .E8! 8*8 4G D8t ., 8-LE:47 9I%P 4G 8x 7 98x +94P
19、6 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 .2P7t )=888 F87 8F $%P : 4G 8x 44F 3L
20、 8$ . 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$ . GM KOREA ENGINEERING STANDARDS EDS-M-7217 Copyright 2011 General Motors Com
21、pany All Rights Reserved June 2011 Page 4 of 4 Version : 4 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 com
22、ply 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 qualified by Engineering as meet
23、ing 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. 7 Notes 7.1 Glossary. Not applicable. 7.2 Acronyms, Abbreviations, and Symbols. GHS Globally Harmonized System MSDS Material
24、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-7217 9 Release and Revisions This standard was originated in October 1996. It was first approved by Engineering Standard Committee in October 1
25、996. It was first published in October 1996. 4958p) 9PE8 ,p:6|98.(8* / 6|98.(8*# GM 8 ,p:6|98.(8* / 6|98.(8*7 4F :?8 TMC003 8 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
26、=+8 8 E:48 7 1F8x 94A$ . $* :7!7 88?F GM 8 7 , F$- 4-) 38%P 6= 9I.(* 83LFd 88F2P# F$- :04 .2P7t GE8F6 F$ . 7 768 9I8 7.1 98,l 76 . F$-1F 68 . 7.2 66 -C dGl . GHS Globally Harmonized System MSDS Material Safety Data Sheet SDS Safety Data Sheet 8 Ed - $* ,l2P! $+ &%72P ., E:48 87%T &# $80 M8 EdF$ . Ma
27、terial per EDS-M-7217 9 9P9I -C P9I 8)Y ., E:48t 1996“x 1087 E:4 -Gl4 .7 %L6 , d3TE:41,h7 8F 1996 “x 10 87 38%L6$ . ., E:48t 1996 “x 10 87 ) 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 )
