GMKOREA EDS-M-6622-2011 Single-Layer Deadening Mat (Version 4 English Korean Do Not Use on New Program No Replacement ).pdf
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1、 ENGINEERING STANDARDS Material Specification LIMITED USE EDS-M-6622 Single-Layer Deadening Mat Do Not Use on New Program; No Replacement. F?i -8 +C 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 Depa
2、rtment: GM Korea Engineering Standards Page 1 of 5 Version : 4 1 Scope 1.1 Purpose. This specification specifies the requirements of basic property for the single-layer deadening mat used in automobile. 1.2 Material Description. Polyurethane elastomer with filler. 1.2.1 Type A. 1.0 g/dm3 r 10 %. 1.2
3、.2 Type B. 1.7 g/dm3 r 10 %. 1.3 Typical Applications. This specification applies to the single-layer deadening mat for sound insulation at dash panel-outer. 2 References Note: Only the latest approved standards are applicable unless otherwise specified. 2.1 External Standards/Specifications. None 2
4、.2 GM Standards/Specifications. EDS-M-0102 EDS-T-5412 EDS-T-7301 EDS-T-7403 EDS-T-7602 EDS-T-7604 EDS-T-7673 EDS-T-7674 GMW14882 GMW3059 2.3 Additional References. TMC003 Material Safety Data Sheet guidance documents 3 Requirements 3.1 General Properties. 1 P7 1.1 +95 . ., E:48t 8% =7 17%L# F?i -8 +
5、C8 ,p2e8x G*F E:8x 4*F#$ , +958 8$ . 1.2 8: 8-L C2e . =49P (Filler)4 F8T%P E(*7)07 38%P E:48x 957F$ . 2.1 17 E:4 / . None 2.2 GM E:4 / . EDS-M-0102 EDS-T-5412 EDS-T-7301 EDS-T-7403 EDS-T-7602 EDS-T-7604 EDS-T-7673 EDS-T-7674 GMW14882 GMW3059 2.3 dA E:4 / . TMC003 Material Safety Data Sheet guidance
6、documents 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 Material. / 8: . Polyurethane elastomer with filler. / Filler4 F8T%P Polyurethane Elastomer. GM KOREA ENGINEERING STANDARDS EDS-M-6622 Copyright 2011 General Mo
7、tors Company All Rights Reserved June 2011 Page 2 of 5 Version : 4 Designations / 4G F+ Test Methods / 4G - Specifications / 3.1.2 Density. / -4$ . EDS-T-7673 3.1.2.1 Type A 1.0 g/dm3 r 10 % 3.1.2.2 Type B 1.7 g/dm3 r 10 % 3.1.3 Residue on ignition. / G.8 . EDS-T-7301-A2 3.1.3.1 Type A 60 r 10 wt %
8、3.1.3.2 Type B 60 r 10 wt % 3.1.4 Hardness. / $ . EDS-T-7403 (605) Shore A 3.1.5 Bending test. / No cracks. / 7( 68x . y Width of the test piece: 50 mm. y Spindle: 50 mm. y Test temperature: 23 E 5K. y Test in two directions standing vertically to each other. / y 4G D A d : E! 50 mm. y Spindle: 50 m
9、m. y 4G 7$ : +23 E r 5K. y 3L:8 % -F 4G . 3.1.6 Temperature stability (+110 E r2.5K, 1 hour r 5 %). / 7$ 6|9I2e (+110 E r2.5K, 1 hour r 5 %). EDS-T-7604-1H 3.1.6.1 Change in dimension. / ?3L -G . y Determined in two directions vertical to each other. / y 3L:8 % -F ?U9I . 1 mm max. / 1 mm 8F . 3.1.6.
10、2 Other changes. / $*-G . No change of surface and harmful odor. / E+-G-C8TFF!168x . 3.1.7 Temperature stability (-30) E r3K, (24r1) hours). / 7$6|9I2e (-30) E r3K, (24r1) hours). EDS-T-7604-1H 3.1.7.1 Change in dimension. / ?3L-G . 1 mm max. / 1 mm 8F . y Determined in two directions vertical to ea
11、ch other. / y 3L:8 % -F ?U9I . 3.1.7.2 Other changes. / $*-G . No change of surface and harmful odor. / E+-G-C8TFF!168x . GM KOREA ENGINEERING STANDARDS EDS-M-6622 Copyright 2011 General Motors Company All Rights Reserved June 2011 Page 3 of 5 Version : 4 Designations / 4G F+ Test Methods / 4G - Spe
12、cifications / 3.1.8 Chemical resistance. / !GF2e . 3.1.8.1 Diesel fuel. / 3.1.8.1 &H9X 7$* . EDS-T-7674 See paragraph 8 of EDS-T-7674. / EDS-T-7674 8F =l9 . 3.1.9 Sound Attenuation Characteristics by Loudspeaker Enclosure Test (dB). EDS-T-5412 The curves formed from following values must not be fall
13、 below. / $8 F&) 2e%P CURVE 6x() !)X4: + . Type A Type B 3.1.9.1 at 200 Hz. +6 +8 3.1.9.2 at 500 Hz. +5 +8 3.1.9.3 at 1,000 Hz. +6 +7 3.1.9.4 at 2,000 Hz. 3.1.9.4 at 4,000 Hz. 3.1.9.4 at 8,000 Hz. +6 +9 +6 +8 +8 +8 3.1.10 Sound Attenuation Characteristics by Apamat Test (dB). GMW14882 The curves for
14、med from following values must not be fall below. / $8 F&) 2e%P CURVE 6x() !)X4: + . Type A Type B 3.1.10.1 at 200 Hz +10 +12 3.1.10.2 at 500 Hz +9 +9 3.1.10.3 at 1,000 Hz +11 +11 3.1.10.4 at 2,000 Hz +7 +9 3.1.10.5 at 4,000 Hz +7 +8 3.1.10.6 at 8,000 Hz +6 +8 3.1.11 Flammability. / !7$2e . EDS-T-76
15、02 - Burn rate. / - 7$22$ . 90 mm/minute max. / 90 mm/. 8F . 3.2 Additional Requirements. 3.2.1 Further detail, see parts drawings. 4 Manufacturing Process Not applicable. 5 Rules and Regulations 5.1 Legal Regulations. All materials must satisfy applicable laws, rules, regulations and recommendation
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