1、 ENGINEERING STANDARDS Material Specification EDS-M-8616 Sealer-Body, Combine !7. 7 -H,p , 3L. ) +,p)X “ 2. 9 F7 G4A$ . 3.4.2.3.2 G G 3D82P* 9PF 4G 7 17F$ . Figure 2: Shear Adhesive Strength Test Piece / ,* 2: 98$9E=I$ 4D 3.4.2.4 Test Method. Align the longer axis of the test piece to the centerline
2、 of the tester. Fix both ends of the test piece to the tester together with the support so that the load is applied linearly. Measure the maximum load (kg/cm2) when the test piece is broken with tensile speed of 50 mm/min. 3.4.2.5 Record. 3.4.2.5.1 Calculate mean value of min. 3 test pieces. 3.4.2.5
3、.2 Add Table 4, Types of steel plate surface, and Table 5, Types of failure. 3.4.2.4 4G - . 4G D8 h 8x 4G d8 :E4 2T7 + , F:E8 :2T44 %L$) 4G D8 6!.8x :$47t F 4G d7 ,p*$) 9IF , 882$# 50 mm/min) F7 4G D8 Dh %T . BF Failure of the test piece material. / 4G D 8*8 Dh . CF Failure of specimen layer. / 4*?i
4、8 Dh 3.4.3 Tensile Strength. 3.4.3.1 Specimen Preparing Method. 3.4.3.1.1 Apply sealer to a flat panel, which is made of a flat teflon panel or steel plate and release paper attached to it, to make film thickness 3 mm. 3.4.3.1.2 After drying the specimen according to the baking condition, expose it
5、to room temperature for 3 hours. 3.4.3.1.3 Cut the film to JIS Dumbbell #2 type as shown in Figure 3 to use it as a test piece. 3.4.3 88 I$ . 3.4.3.1 4D 82e - . 3.4.3.1.1 DGF BF8) DD“ D# IDD7 8GI:* .7 +& D+ DD“7 Body !.7 Sealer* $*% 3 mm4 %L) $E F$ . 3.4.3.1.2 8872P 9P8F 4G D8x 2. 97 :4F7 9F G 4772P
6、 348 -?4A$ . 3.4.3.1.3 2. $*8x ,* 30 M8 JIS Dumbbell 2GlGI8x 9$4 F:E8x ?U9IF$ . 3.4.3.3 d) . 4G 2e958x 3P8 4G D7 $4F7 ?U9IF DF8x F7 E4F$ . 3.4.4 $* 488 . 3.4.4.1 4D 82e - . 3.4.4.1.1 DGF BF8) DD“ D# IDD7 8GI:* .7 +& D+ DD“7 Body !.7 Sealer* 3 mm4 %L$) $E F$ . (4* $E 4 )d Gp87 8F7 dE 4 GI2e%L: 6$) :0
7、8 ). GM KOREA ENGINEERING STANDARDS EDS-M-8616 Copyright 2012 General Motors Company All Rights Reserved February 2012 Page 7 of 16 Version : 7 3.4.4.1.2 After drying the specimen according to the baking condition, expose it to room temperature for 3 hours. 3.4.4.1.3 Cut the film to JIS Dumbbell #2
8、type as shown in Figure 6 to use it as a test piece. 3.4.4.2 Measuring Method. Fix the test piece to the tensile tester with lines of 20 mm interval marked on the center of the test piece. Measure elongation between marking lines by applying tension with tensile speed of 50 mm/min. 3.4.4.1.2 8872P 9
9、P8F 4D8x 2. 97 8F7 94A G 4772P 348 -? 4A$ . 3.4.4.1.3 2. $*8x ,* 30 M8 JIS Dumbbell 2GlGI8p) 92e8x ?U9IF$ . 100lines markingbetween distance Initial lines markingbetween distance Initial-failureat lines markingbetween Distance(%)elongation Film u 100 - %)( u *E2T8Q( (kg). T: 6d) 8 9$*% ( ). 3.4.7.3.
10、2 !703L2e . 3.4.7.3.2.1 4G D8x 1772P 7248 -?F G , !703L4G (5 % NaCl, 35 E )8x 300 48 44F$ . 3.4.7.3.2.2 3.4.7.3.1F8 8 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#
11、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* (MSDS/SDS). 49PE8 )= D#
12、 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 GMW3059 (8TF,p: 179P )8
13、9P* &d(6 F$ . 5.7 F3L , -d3L , I7 -*: + . GM KOREA ENGINEERING STANDARDS EDS-M-8616 Copyright 2012 General Motors Company All Rights Reserved February 2012 Page 11 of 16 Version : 7 6 Approved Sources Engineering qualifications of an approved source are required for this standard. Only sources liste
14、d 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 Approval Material. 6 38 6
15、= 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$- :04 .2P7t GE8F6 F$ . 6.1 388* . Part NO. Old P/NO. Approved Supplier / 38 6= Approved Raw Material / 38 88* Remarks / /x 94545221 M
16、-8616 PPG-KOREA GVH-406 94545222 M-8616-A PPG-KOREA GVH-401 94545223 M-8616-B PPG-KOREA GVH-402 94545783 M-8616-C UNITECH UBS-09 95133794 M-8616-C UNITECH UBS-10 6.2 Approval and Quality Assurance Procedure. All raw materials shall be approved and regularly inspected for its quality prior to and dur
17、ing 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 applicable. 7.2 Acronyms, Abbreviations, and Symbols. GHS Globally Harmonized System MSDS Material Safety Data Sheet SDS Safety Data Sheet 8
18、 Coding System This standard shall be referenced in other documents, drawings, etc., as follows: “EDS-M-8616”, “EDS-M-8616-A”, “EDS-M-8616-B” or “EDS-M-8616-C” In case that this material is applied as part number. The coding system shall be indicated as follows. 6.2 38 -C E: .(:9d Drop steel grit un
19、til peeling-off of film / $*-I* 49D: Steel Grit !F . - - - 0.6kg/ min. / 0.6kg/ 81 8 Clause 3.4.7.3.1 / 3.4.7.3.1F Saltwater resistance / !703L2e After S.S.T 300hours, drop steel grit until peeling-off of film. / S.S.T 300 48 G $*-I* 49D: Steel Grit !F - - - 0.4kg/ min. / 0.4kg/ 81 8 Clause 3.4.7.3.
20、2 / 3.4.7.3.2F Compatibility with PVC Undercoater / PVC U/Coater 18 2e Underbody Sealer + PVC Undercoater Wet on Wet application and then, nominal bake / Underbody Sealer + PVC Undercoater Wet on Wet $E G E:49 - - - To be good adhesion / .=)Y 6GlF 8 Clause 3.4.8.1 / 3.4.8.1F Adhesion when 5:5 of mixture / 5:5 GpF4 .=)Y - - - To be good adhesion / .=)Y 6GlF 8 Clause 3.4.8.2 / 3.4.8.2F
