GMKOREA EDS-M-4201-2014 Polypropylene Copolymer (Version 20 English Korean This standard may be applied only for current projects It is Superceded for all future projects and repla.pdf
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1、ENGINEERINGSTANDARDS Material SpecificationSUPERCEDEDEDS-M-4201Polypropylene CopolymerThis standard may be applied only forcurrent projects. It is Superceded for allfuture projects and replaced byGMW16208.E(*F8)Fx) E(*+lNote: 8 E:48t G8 =97 FF7 957%L+ ,FG P-P Program .Bd# GMW16208 )$4=F7 957F$ . Cop
2、yright 2014 General Motors Company All Rights ReservedMarch 2014 Page 1 of 7Version : 201 Scope1.1 Material Description. This specification definesgeneral requirements for raw materials ofpolypropylene copolymer interior or exterior parts ofa vehicle.1.1.1 Material Types.1.1.1.1 Group 1. Raw materia
3、ls whose melt flowindex is 0.2 ) 2, which have low rigidity butexcellent impact strength.1.1.1.1.1 Type 1. Raw materials for injectionmolding. Ex) Rocker Panel.1.1.1.1.2 Type 2. Raw materials for blow molding.Ex) Seat Back Frame, Air Duct.1.1.1.2 Group 2. Raw materials for injectionmolding whose mel
4、t flow index is 1 ) 5, which havelow rigidity but excellent impact strength. Ex) CoverBack Panel, Deflector.1.1.1.3 Group 3. Raw materials for injectionmolding whose melt flow index is 4 ) 15, whichhave high rigidity and impact strength.1.1.1.3.1 Type 1. Raw materials which have highrigidity and imp
5、act strength. Ex) Heating Duct.1.1.1.3.2 Type 2. Raw materials which have highimpact strength and have excellent melt flow. Ex)Fender Liner.1.1.1.4 Group 4. Raw materials whose melt flowindex is 15 ) 30, which have high rigidity andimpact strength for injection molding of large,complex, and thin pro
6、ducts. Ex) Door Trim, Pillartypes.1.2 Symbols. Material indication: PPI$* J 78iH*:3L4 0.2 28 88* .1.1.1.1.1 A8 1. 1 2eGI7 88* . 7I$* J 78iH*:3L4 1 5 8 12eGI7 88* . 7I$4 “ 78i H*:3L4 4 158 1 2eGI7 88* .1.1.1.3.1A8 1.I2e0 I$4 “8t 88* .7I$4 “ H*2e8 73LF88* . 7I$4 “ 78i H*:3L4 15 308 .)8F % 4 68t $4GI9P
7、E81 2eGI7 88* . 7 PP0738%P E:48x 957F$ .2.117 E:4 / .ASTM D256ASTM D638ASTM D648ASTM D785ASTM D790ASTM D1238ASTM D1505ISO31462.2 GME:4 / .EDS-M-0102GMW3059GMW31162.3 F / .TMC003 Material Safety Data Sheet guidancedocuments3 7 1F3.1d95 ,p2e .Table 1: Mechanical Properties / E 1: d95 ,p2eProperties /,
8、p2eGroup 1Type 1 /,*- 1A8 1Group 1Type 2 /,*- 1A8 2Group 2Type 1 /,*- 2A8 1Group 3Type 1 /,*- 3A8 1Group 3Type 2 /,*- 3A8 2Group 4Type 1 /,*- 4A8 1Group 4Type 2 /,*- 4A8 2Rockwell hardness /)A 8$ $ASTM D785 R Scale 80 80 85 85 85 85 85Tensile strength (kg/cm2) /88I$ (kg/cm2)ASTM D638Test piece (133
9、mm) /4G D (133 mm)Test speed (50 mm/min) /4G 2$ (50 mm/min) 250 250 255 260 240 260 260Elongation (%) /48 (%)ASTM D638Test piece (133 mm) /4G D (133 mm)Test speed (50 mm/min) /4G 2$ (50 mm/min) 400 400 350 350 200 100 300Flexural strength (kg/cm2) /I$ (kg/cm2)ASTM D790Test piece (12712.76.4 mm)/4G D
10、 (12712.76.4 mm)Test speed (28 mm/min) /4G 2$ (28 mm/min) 300 350 350 360 350 380 370Flexural modulus (kg/cm2) / A2e* (kg/cm2)ASTM D790Test piece (12712.76.4 mm)/4G D (12712.76.4 mm)Test speed (28 mm/min) /4G 2$ (28 mm/min) 11,000 11,000 11,000 12,000 12,000 12,500 12,000Impact strength, IZOD (kgcm/
11、cm) /IZOD I$ (kg cm/cm)ASTM D256Test piece (63.512.73.2 mm)/4G D (63.512.73.2 mm).Room temperature /17-30 ENB4.5NB3103831057373GMDAT ENGINEERING STANDARDS EDS-M-4201 Copyright 2014 General Motors Company All Rights ReservedMarch 2014 Page 3 of 7Version : 203.2 Thermal Properties. 3.27(95 ,p2e .Table
12、 2: Thermal Properties / E 2:d95 ,p2eProperties /,p2eGroup 1Type 1 /,*- 1A8 1Group 1Type 2 /,*- 1A8 2Group 2Type 1 /,*- 2A8 1Group 3Type 1 /,*- 3A8 1Group 3Type 2 /,*- 3A8 2Group 4Type 1 /,*- 4A8 1Group 4Type 2 /,*- 4A8 2Melting point ( E ) /78i9D ( E )ISO3146 165 165 165 165 165 165 165Heat deflect
13、iontemperature( E )/7(-GI 7$ ( E )ASTM D648Test piece (12712.76.4 mm)/4G D (12712.76.4 mm)4.6 kg/cm2 90 90 90 95 105 95 953.3 General Properties. 3.38-L95 ,p2e .Table 3: General Properties / E 3:8-L95 ,p2eProperties /,p2eGroup 1Type 1 /,*- 1A8 1Group 1Type 2 /,*- 1A8 2Group 2Type 1 /,*- 2A8 1Group 3
14、Type 1 /,*- 3A8 1Group 3Type 2 /,*- 3A8 2Group 4Type 1 /,*- 4A8 1Group 4Type 2 /,*- 4A8 2Density (g/cm3) /-4$ (g/cm3)ASTM D15050.910.010.910.010.910.010.910.010.910.010.910.010.910.01Melt flow index (g/10min) /78iH*:3L (g/10min)ASTM D1238230 , 2.16L3 kg 0.2 2 0.2 2 1 5 4 15 10 15 30 15Note: All the
15、mechanical, thermal and general property values above indicate minimum values except having the specified ranges. / : $ 7 %bq u I v I .3.4 Test Piece and Test.3.4.1 Test piece. Test pieces shall be prepared withinjection molding. Unless otherwise specified in therequirements of paragraphs 3.1 throug
16、h 3.3, theyshall be conditioned at 23 E 5K and a relativehumidity of 50 % for 24 hours or more.3.4.2 Test. Tests shall be performed at 23 E 5Kand a relative humidity of 50 %.4 Manufacturing ProcessNot applicable.5 Rules and Regulations5.1 Legal Regulations. All materials must satisfyapplicable laws,
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