GMKOREA EDS-M-5205-2012 Weather Resistance Polyoxymethylene Copolymer (Version 10 English Korean This standard may be applied only for current projects It is Superceded for all fut.pdf
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1、 ENGINEERING STANDARDS Material Specification SUPERCEDED EDS-M-5205 Weather Resistance Polyoxymethylene Copolymer This standard may be applied only for current projects. It is Superceded for all future projects and replaced by GMW22P-POM-C2U. !G2e E(*7Y4+D,) E(*+l Note: 8 E:48t G8 =97 FF7 957%L+ , F
2、G P-P Program .Bd# GMW22P-POM-C2U) $4=F7 957F$ . Copyright 2012 General Motors Company All Rights Reserved April 2012 Originating Department: GM Korea Engineering Standards Page 1 of 6 Version : 10 1 Scope 1.1 Material Description. This specification defines general requirements for raw materials of
3、 weather resistance polyoxymethylene copolymer applied to interior or exterior parts of a vehicle. 1.2 Symbols. Material indication: POM POM 07 38%P E:48x 957F$ . 2.1 17 E:4 / . ASTM D256 ASTM D638 ASTM D648 ASTM D785 ASTM D790 ASTM D1238 ASTM D1505 ISO 3146 GM KOREA ENGINEERING STANDARDS EDS-M-5205
4、 Copyright 2012 General Motors Company All Rights Reserved April 2012 Page 2 of 6 Version : 10 2.2 GM Standards/Specifications. EDS-M-0102 GMW3059 GMW3116 2.3 Additional References. TMC003 Material Safety Data Sheet guidance documents 3 Requirements 3.1 Mechanical Properties. 2.2 GM E:4 / . EDS-M-01
5、02 GMW3059 GMW3116 2.3 dA E:4 / . TMC003 Material Safety Data Sheet guidance documents 3 7 1F 3.1 d95 ,p2e . Table 1: Mechanical Properties / E 1: d95 ,p2e Properties / ,p2e Group 1 Type 1 Group 2 Type 1 Group 3 Type 1 Group 4 Type 1 Group 5 Type 1 Rockwell hardness / )A 8$ $ ASTM D785 R Scale 80 75
6、 75 75 75 Tensile strength (kg/cm2) / 88I$ (kg/cm2) ASTM D638 Test piece (133 mm) / 4G D (133 mm) Test speed (5 mm/min) / 4G 2$ (5 mm/min) 550 550 530 530 500 Elongation (%) / 48 (%) ASTM D638 Test piece (133 mm) / 4G D (133 mm) Test speed (5 mm/min) / 4G 2$ (5 mm/min) 40 30 30 10 10 Flexural streng
7、th (kg/cm2) / I$ (kg/cm2) ASTM D790 Test piece (12712.76.4 mm) / 4G D (12712.76.4 mm) Test speed (2.8 mm/min) / 4G 2$ (2.8 mm/min) 750 800 800 800 750 Flexural modulus (kg/cm2) / A2e* (kg/cm2) ASTM D790 Test piece (12712.76.4 mm) / 4G D (12712.76.4 mm) Test speed (2.8 mm/min) / 4G 2$ (2.8 mm/min) 24
8、,000 24,000 24,000 24,000 24,000 Impact strength, IZOD (kg cm/cm) / IZOD I$ (kg cm/cm) ASTM D256 Test piece (63.512.73.2 mm) / 4G D (63.512.73.2 mm). Room temperature / 17 -30 E 5.5 4 5.5 4 4 - 4 - 4 - 3.2 Thermal Properties. 3.2 7(95 ,p2e . Table 2: Thermal Properties / E 2: 7(95 ,p2e Properties /
9、,p2e Group 1 Type 1 Group 2 Type 1 Group 3 Type 1 Group 4 Type 1 Group 5 Type 1 Melting point ( E ) / 78i9D ( E ) ISO 3146 165 165 165 165 165 GM KOREA ENGINEERING STANDARDS EDS-M-5205 Copyright 2012 General Motors Company All Rights Reserved April 2012 Page 3 of 6 Version : 10 Properties / ,p2e Gro
10、up 1 Type 1 Group 2 Type 1 Group 3 Type 1 Group 4 Type 1 Group 5 Type 1 Heat deflection temperature ( E ) / 7(-GI7$ ( E ) ASTM D648 Test piece (12712.76.4mm) / 4G D (12712.76.4mm) 18.6 kg/cm2 105 105 105 105 105 3.3 General Properties. 3.3 8-L95 ,p2e . Table 3: General Properties / E 3: 8-L95 ,p2e P
11、roperties / ,p2e Group 1 Type 1 Group 2 Type 1 Group 3 Type 1 Group 4 Type 1 Group 5 Type 1 Density (g/cm3) / -4$ (g/cm3) ASTM D1505 1.400.01 1.400.01 1.400.01 1.400.01 1.400.01 Melt flow index (g/10min) / 78i H* :3L (g/10min) ASTM D1238 190 E , 2.16 kg 10 20 40 20 40 Note: All the mechanical, therm
12、al 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 molding. Unless otherwise specified in the requiremen
13、ts of paragraphs 3.1 through 3.3, 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 Rules and Regulations 5.1 Legal Regulations. All mat
14、erials 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 Rejection. Samples of components or materials relea
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