1、 ENGINEERING STANDARDS Material Specification LIMITED USE EDS-M-8620 Sealer - Silicone Do Not Use on New Program; No Replacement. 4* 6d) 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 K
2、orea Engineering Standards Page 1 of 7 Version : 4 1 Scope 1.1 Material Description. Alcoxy Type based on Polydimethylsiloxane. One liquid type moisture hardening under normal temperature. 1.2 Typical Applications. This standard specifies the requirements of basic property for sealer-silicone, which
3、 is used for engine oil pan gasketing and sealing of automobiles. 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-T-7406 EDS-T-7408 EDS-T-7418 EDS-T-7795 EDS-T
4、-7796 EDS-T-7902 GMW3059 2.3 Additional References. TMC003 Material Safety Data Sheet guidance documents 3 Requirements 3.1 General Properties. 1 P7 1.1 8: 8-L C2e . Polydimethylsiloxane8x :02e.8p) F# Alcoxy Type, 86GI -C 1772P 38X -G%L# -4.=9P 8 . 1.2 957 -88 . ., E:48t 8% = 7X8D8 Gasketing -C Seal
5、ing 7 957%L# Silicone Sealer8 8-L958 ,p2e 7 ?7 $4F7 9IF$ . 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-T-7406 EDS-T-7408 EDS-T-7418 EDS-T-7795 EDS-T-7796 EDS-T-7902 GMW3059 2.3 dA E:4 / . TMC003 Material Safety Data Sheet guidance docu
6、ments 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 Specific Gravity (g/ml). / /x:E (g/ml). EDS-T-7406 1.25 1.35 3.1.2 Extrusion Rate (sec/20g). / B8 (sec/20g). EDS-T-7796 Tip: 100 mm Taper nozzle, 3.5 mm Orifice. Ca
7、rtridge: 18 25 3.1.3 Solids Content (wt%). / GI. (wt%). Clause 3.2.1. / 3.2.1F =l9 . 96 min. / 96 81 . GM KOREA ENGINEERING STANDARDS EDS-M-8620 Copyright 2011 General Motors Company All Rights Reserved June 2011 Page 2 of 7 Version : 4 Designations / 4G F+ Test Methods / 4G - Specifications / 3.1.4
8、 Tac. Free Time (min). / := 9 48 (min). EDS-T-7795 2 30 3.1.5 Shear Strength (N/mm2). / 98$ I$ (N/mm2). EDS-T-7902-4, Clause 3.2.2. / 3.2.2F =l9 . 1.20 min. / 1.20 81 . 3.1.6 Tensile Strength (N/mm2). / 88 I$ (N/mm2). EDS-T-7408, Clause 3.2.3. / 3.2.3F =l9 . 1.50 min. / 1.50 81 . 3.1.7 Elongation at
9、 Break (%). / 48 (%). EDS-T-7408, Clause 3.2.3. / 3.2.3F =l9 . 400 min. / 400 81 . 3.1.8 Heat Resistance. / !7(2e . Change in tensile strength (%). / 88 I$ -G (%). EDS-T-7408, Clause 3.2.4. / 3.2.4F =l9 . (-10) +30 Change in Elongation ( ). / 48 -G ( ). 60 max. / 60 8F . 3.1.9 Eng Oil Resistance. /
10、!7:7X82e . Change in tensile strength (%). / 88 I$ -G (%). EDS-T-7408, 7418 Clause 3.2.5. / 3.2.5F =l9 . 40 max. / 40 8F . Change in Elongation ( ). / 48 -G ( ). 40 max. / 40 8F . Change in volume (%). / .Fp -G (%). Clause 3.2.6. / 3.2.6F =l9 . 35 max. / 35 8F . 3.1.10 Oil Resistance. / !8T2e . Chan
11、ge in tensile strength (%). / 88 I$ -G (%). EDS-T-7408, 7418, Clause 3.2.7. / 3.2.7F =l9 . 40 max. / 40 8F . Change in Elongation ( ). / 48 -G ( ). 40 max. / 40 8F . Change in volume (%). / .Fp -G (%). Clause 3.2.6. / 3.2.6F =l9 . 35 max. / 35 8F . 3.1.11 Durable air-tightness (ml/min). / ! d-42e (m
12、l/min). Clause 3.2.8. / 3.2.8F =l9 . 11 max. / 11 8F . 3.2 Test Methods. 3.2.1 Solids Content. 3.2.1.1 Clean 3 aluminum plates for specimen measurement with isopropyl alcohol and then dry them sufficiently. 3.2.1.2 Apply 3 5 g of sealant on each aluminum plate. 3.2 4G - . 3.2.1 GI. ?U9I - . 3.2.1.1
13、4* ?U9IF 6*-,# 9E4 2l P* 82F8)Fx 67) !8 2l=F .H 94A$ . 3.2.1.2 2l P8 6*-,# 9E47 55 Sealant* 6 3 5 g9I$ $E F$ . GM KOREA ENGINEERING STANDARDS EDS-M-8620 Copyright 2011 General Motors Company All Rights Reserved June 2011 Page 3 of 7 Version : 4 3.2.1.3 Weigh the specimen including the aluminum plate
14、 and record the reading to the second decimal place. 3.2.1.4 Expose the specimen to 23 E 5K 60%R.H, for 2 weeks to harden. 3.2.1.5 Take the specimen out and weigh it. 3.2.1.6 According the formula in EDS-T-7902-20, calculate ash content. 3.2.2 Shear Strength. 3.2.2.1 The pre-treatment and size of th
15、e test piece and test method shall conform to EDS-T-7902-4. 3.2.2.2 Apply the adhesive to an area of (25 12.7) mm and thickness 1 mm and subsequently harden it under conditions in clause 3.2.1.4. 3.2.2.3 The tensile speed shall be 50 mm/min. 3.2.3 Tensile Strength / Elongation at Break. 3.2.3.1 Afte
16、r dipping the release paper in water for 10 minutes, clean up moisture from the surface. 3.2.3.2 Spread the release paper in clause 3.2.3.1 on the painted steel sheet and carefully apply adhesive so as not to create bubbles. 3.2.3.3 Put another piece of release paper in clause 3.2.3.1 onto it and pl
17、ace the painted steel sheet and then press it with UTM so that thickness of 3 3.5 mm is maintained. 3.2.3.4 After hardening under 23 E 5K 60%R.H for 1 week, remove the release paper and harden it again for an additional week. If the test piece size is too large, cut it into several pieces and harden
18、 them. 3.2.3.5 With a test piece prepared as above, make a dumbbell-type test piece to EDS-T-7408-S1. 3.2.3.6 With the tensile speed set to 50 mm/min, measure the tensile strength / elongation at break. 3.2.4 Heat Resistance. After exposing the tensile strength / elongation at break test piece in cl
19、ause 3.2.3 to 175 E 168 hours, measure the tensile strength and elongation at break again as in clause 3.2.3 and compare the results with the initial tensile strength and elongation at break to calculate the change rate. 3.2.5 Engine Oil Resistance. After dipping the tensile strength / elongation at
20、 break test piece prepared as in clause 3.2.3 in 5W30 engine oil and subsequently exposing it to 150 E 336 hours, measure the tensile strength / elongation at break to EDS-T-7418 and then compare the results with the initial values to calculate the change rate. 3.2.1.3 6*-,# 9E48 ,h* E FF 4*8 ,h* ?U
21、9IF7 23L9D %;, 8*: d)F$ . 3.2.1.4 23 E 5K 60%R.H 8 972P 4* 2:08 -?F7 G4A$ . 3.2.1.5 4* !6 ,h* ?U9IF$ . 3.2.1.6 EDS-T-7902-208 47 8F7 GI.8x 1F$ . 3.2.2 98$I$ 4G - . 3.2.2.1 4D8 98=* , A d7t 4G -8t EDS-T-7902-47 :4F$ . 3.2.2.2 9E=9P8 $E +958x (25 12.7) mm ) F , $E % * 1 mm) F7 3.2.1.4 8 98p) G4A$ . 3.
22、2.2.3 4G 4 88 2$# 50 mm/min8p) F$ . 3.2.3 88I$ / 48 4G - . 3.2.3.1 8GI:* ,p27 10 . % 6| ?95 4A G E+8 ,pd* +% $6x!$ . 3.2.3.2 $8 IDD 887 3.2.3.1 8 8GI:* , dE 4 2d: 6$) 94 F7 9E=9P* $E F$ . 3.2.3.3 , 887 $4 3.2.3.1 8 8GI:* $ , 887 $8 IDD8x 68t G 3 3.5 mm % * 8T:F$) UTM8x 87F7 6=4A$ . 3.2.3.4 23 E 5K 6
23、0%R.H 972P 1:088x G4A % 8GI:* &6! $4 1 :088x G4A$ . 8& 4D8 +958 A 7 95$-F A d) 8( G4A$ . 3.2.3.5 888 09I72P :4/x%P 4D8x EDS-T-7408-S18 8p) 6x)mGI 4D8x +&$ . 3.2.3.6 882$* 50 mm/min8p) F7 88I$ / 488x ?U9IF$ . 3.2.4 !7(2e 4G - . 3.2.372P :4/x%P 88I$ / 48 4D8x 175 E 168 hours 972P -?F G , 3.2.38 -8p) 8
24、8 I$7t 488x ?U9IF7 )YF :E8 W F8x -4$ (D F )8p) !#86 =958x 1F7 d)F , 3.2.5 -C 3.2.7 8 4G 3LF G M8t 09I8x -L.) 3LFF7 , .Fp -G88x 1F$ . 3.2.7 !8T2e 4G - . 3.2.372P :4/x%P 88I$ / 48 4D8x ASTM #3 Oil7 ?:F7 150 E 70 hours 98p) -?F G , EDS-T-7418 8 -8p) 88I$ / 488x ?U9IF7 1$ .88 .($ 68 !8t 3L:48p) 7X88x =x
25、7# 8 9$ . 3.2.8.3 150 E) 8T:%P 7X/D7 4G E (9*E )8x “W6 1648 % 6| -?F G #88T 1* 4FF$ . 3.2.8.4 #88T 1 G #88T -C 9J8 .88* !8 $6x =G8 1* 78F F$ . 3.2.8.5 #88T 1 G :4 (-30) E !7 =-7 4G E8x “W6 848 % 6| -?F$ . 3.2.8.6 3.2.8.3 3.2.8.5 F8x 10G -L.)F$ . 3.2.8.7 !7( 4G 9* G 1772P 24 48 -?F G d-42e 4G 8x F$ .
26、 3.2.8.7.1 4G E8x 943L97 “W8t G 0.0 1.0 bar: 0.2 bar $88) 6)Y8x :44A$ . 3.2.8.7.2 5 ?U9I 6)Y72P 30 9I$* ?U9IF$ 3.2.8.7.3 )d8 #88 88x 4 #8 .88* d)F+ 77 &d( )d -7 -P2(8x 0) #8 9I$* ?U9IF$ 3.2.8.8 ., 4G 8t 8)88 C- 7 47 + 4FF$ . 4 9P9 )9I18 775 9 F$-1F 68 . GM KOREA ENGINEERING STANDARDS EDS-M-8620 Copy
27、right 2011 General Motors Company All Rights Reserved June 2011 Page 5 of 7 Version : 4 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 of conflict between the
28、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 the responsible Enginee
29、ring 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 release must be completed.
30、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 repeated and documented by the
31、 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 representative initial prod
32、uction 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 an existing product has
33、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, product MSDS/SDS submissions
34、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, Restricted and Reportable Substances for Parts. 5.7 Dont dump i
35、n a ditch, drain, and river. 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 +94P6 F+ , 61 )= 987 :04 .2P8 388x -O6x6 F$ . &H88 , d#
36、 , 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 $%P : 4G 8x 44F 3L 8$ . 5.4 FF2P# 6| %P$ . 5.5 ,p:6|98.(8* / 6|98.(8*
37、 (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) 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
38、GMW3059 (8TF,p: 179P )8 9P* &d(6 F$ . 5.7 F3L , -d3L , I7 -*: + . GM KOREA ENGINEERING STANDARDS EDS-M-8620 Copyright 2011 General Motors Company All Rights Reserved June 2011 Page 6 of 7 Version : 4 6 Approved Sources Engineering qualifications of an approved source are required for this standard.
39、Only sources listed in the GM Materials File under this standard number have been qualified 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 Approva
40、l Material. 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$- :04 .2P7t GE8F6 F$ . 6.1 38 8* . Part No. Old P/No. Approved Supplier / 38 6= Approved Raw Material / 38 88* Rema
41、rks / /x 94545227 M-8620 ADCHEM / 6&D HYLOMAR 532 6.2 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 (S
42、pec. No. EDS-M-0102). 7 Notes 7.1 Glossary. Not applicable. 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 ED
43、S-M-8620 In case that this material is applied as part number. The coding system shall be indicated as follows. 6.2 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 )
