GMKOREA EDS-M-4101-2012 Low Density Polyethylene (Version 7 English Korean).pdf
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1、 ENGINEERING STANDARDS Material Specification EDS-M-4101 Low Density Polyethylene 94-4$ E(*7D,) Copyright 2012 General Motors Company All Rights Reserved January 2012 Originating Department: GM Korea Engineering Standards Page 1 of 5 Version : 7 1 Scope 1.1 Material Description. This specification d
2、efines general requirements for raw materials of low density polyethylene applied to interior and exterior parts of a vehicle. 1.2 Symbols. Material indication: PE-LD PE-LD I$* 4:+ 78iH*:3L4 0.4 8F8 $4GI :E)2eGI7 88* . 7I$* 4:+ 78iH*:3L4 0.4 ) 1.28 :E)2eGI7 88* . 1.3.3 Group 3. :E-4$ E(*7D,).($ !8t
3、$ -C I2e8x J “8t I$* 4:+ 78iH*:3L4 1 ) 38 12eGI7 88* . 1.3.4 Group 4. :E-4$ E(*7D,).($ !8t $ -C I2e8x J “8t I$* 4:+ 78iH*:3L4 3 ) 108 12eGI7 88* . 2 4) E:4 / :0 : C-H +d%P 9I8 6# F 48 07 38%P E:48x 957F$ . 2.1 17 E:4 / . ASTM D256 ASTM D638 ASTM D648 ASTM D790 ASTM D1238 ASTM D1505 ISO306 ISO3146 2.
4、2 GM E:4 / . EDS-M-0102 GMW3059 GMW3116 2.3 dA E:4 / . TMC003 Material Safety Data Sheet guidance documents GM KOREA ENGINEERING STANDARDS EDS-M-4101 Copyright 2012 General Motors Company All Rights Reserved January 2012 Page 2 of 5 Version : 7 3 Requirements 3.1 Mechanical Properties. 3 7 1F 3.1 d9
5、5 ,p2e . Table 1: Mechanical Properties / E 1: d95 ,p2e Properties / ,p2e Group 1 Type 1 / Group 3 Type 1 / Tensile strength (kg/cm2) / 88I$ (kg/cm2) ASTM D638 Test piece (63 mm) / 4G D (63 mm) Test speed (50 mm/min) / 4G 2$ (50 mm/min) 150 150 Elongation (%) / 48 (%) ASTM D638 Test piece (63 mm) /
6、4G D (63 mm) Test speed (50 mm/min) / 4G 2$ (50 mm/min) 500 400 Flexural modulus (kg/cm2) / A2e8 (kg/cm2) ASTM D790 Test piece (12712.76.4 mm) / 4G D (12712.76.4 mm) Test speed (28 mm/min) / 4G 2$ (28 mm/min) 1,900 1,900 Impact strength, IZOD (kg cm/cm) / IZODI$ (kg cm/cm) ASTM D256 Test piece (63.5
7、12.73.2 mm) / 4G D (63.512.73.2 mm) Room temperature / 17 -30 E NB 2 NB NB 3.2 Thermal Properties. 3.2 7(95 ,p2e . Table 2: Thermal Properties / E 2: 7(95 ,p2e Properties / ,p2e Group 1 Type 1 / Group 3 Type 1 / Melting point ( E ) / 78i9D ( E ) ISO3146 DSC or DTA 10K/min. 105 100 115 Heat deflectio
8、n Temperature ( E ) / 7(-GI 7$ ( E ) ASTM D648 Test piece (12712.76.4mm) 4G D (12712.76.4mm) 4.6 kg/cm2 45 50 Vicat softening point ( E ) / /xG 7$G 7$ ( E ) ISO306 Heating rate : 50K/hr Load : 10 N 95 80 3.3 General Properties. 3.3 8-L95 ,p2e . Table 3: General Properties / E 3: 8-L95 ,p2e GM KOREA
9、ENGINEERING STANDARDS EDS-M-4101 Copyright 2012 General Motors Company All Rights Reserved January 2012 Page 3 of 5 Version : 7 Properties / ,p2e Group 1 Type 1 / Group 3 Type 1 / Density (g/cm3) / -4$ (g/cm3) ASTM D1505 0.920.01 0.920.01 Melt flow index (g/10min) / 78iH*:3L (g/10min) ASTM D1238 190
10、 E , 2.16kg 0.4 1 Note: All the mechanical, thermal and general property values above indicate minimum values except having the specified ranges. / :0 : 1d ,p2e F+ :E C-H ,p2eF -88* :9IF: 68t 7 +% 2F8x !A! . 3.4 Test Piece and Test. 3.4.1 Test Piece. Test pieces shall be prepared with injection mold
11、ing. Unless otherwise specified in the requirements of paragraphs 3.1 through 3.4, they shall be conditioned at 23 E 5K and a relative humidity of 50 % for 24 hours or more. 3.4.2 Test. Tests shall be performed at 23 E 5K and a relative humidity of 50 %. 4 Manufacturing Process Not applicable. 5 Rul
12、es 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 Korean and English language, the Korean language shall take precedence. 5.3 Inspection and Re
13、jection. 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 Engineering department prior to commencement of delivery of bulk supplies. A new approval must be re
14、ceived 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. It is the responsibility of the supplier to inform the customer in a timely manner, without s
15、olicitation, and to include documentation of all modifications of materials and/or processes and to apply for a new release. 3.4 4G D -C 4G 3.4.1 4G D . 12eGI8p) 9P8%L+ 3.13.4F8 7 1F72P C-F 6=8 68p+ 23 E 5K, 50 % 1$43$ F72P 24 48 81 4G D8x 98=* F$ . 3.4.2 4G . 4G 8t 23 E 5K, 50 % 1$4 3$ F72P 44F$ .
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