1、 GMDAT ENGINEERING STANDARDS Material Specification Textiles SUPERCEDED EDS-M-6604 Glass Fiber Felt This standard may be applied only for current project. It is Superceded for all future projects and replaced by GMW14196. 8T* 28T DC Note: 8 E:48t G8 =97 FF7 957%L+ , FG P-P Program .Bd# GMW14196 8p)
2、4=F7 957F$ . Copyright 2010 General Motors Company All Rights Reserved September 2010 Originating Department: GMDAT Engineering Standards Page 1 of 6 Version : 4 1 Introduction Note: Nothing in this standard supersedes applicable laws and regulations. Note: In the event of conflict between the Kore
3、an and English language, the Korean language shall take precedence. 1.1 Purpose. This specification specifies the requirements of basic property for the glass fiber felt used for the noise isolator in engine room of automobiles. 1.2 Material Description. Glass fiber felt made of glass fibers and fel
4、t bonded with synthetic resin whose front is covered with a texture or felt and back with crepe paper. The edge is closed with a film that is formed as a result of radiating heat of flames. 1.3 Typical Applications. This specification applies to the noise isolator used to isolate noise in the engine
5、 room. 2 References Note: Only the latest approved standards are applicable unless otherwise specified. 2.1 External Standards/Specifications. None 2.2 GM Standards/Specifications. EDS-M-0102 EDS-T-7302 EDS-T-7611 EDS-T-7647 EDS-T-9322 GMW3059 EDS-T-7132 EDS-T-7303 EDS-T-7624 EDS-T-7683 GMW3001 2.3
6、Additional References. None 1 P7 :0 : ., E:48 6&F !7$ :4-8! 9I8x $4=F 3L 6$ . :0 : F67t 7568 18 88x 7 , F6* 72T8p) F$ . 1.1 +95 . ., E:48t 8% = 7:*,8 =88) 17F# 8T* 28T DC (Glass fiber felt)8 ,p2e8x G*F E:8x 4*F#$ , +958 8$ . 1.2 8: 8-L C2e . 8T* 28T7t DC* F2e 3L:) 9E= 4A 6+8t :,p Gm8t DC , %+8t A (F
7、8 98) $7 8# 8T* 28T DC8+ B%*# . w8 .)17() 8F GI2e%P *8p) *G4 8$ . 1.3 957 -88 . 7:*, G& (Hood)8 =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 / . F$-1F 68 2.2 GM E:4 / . EDS-M-0102 EDS-T-7302 EDS-T-7611 EDS-T-7647 EDS-T-9322 GMW3059 EDS-T-7132 EDS-T-7303 EDS-T-7624 EDS-
8、T-7683 GMW3001 2.3 dA E:4 / . F$-1F 68 GMDAT ENGINEERING STANDARDS EDS-M-6604 Copyright 2010 General Motors Company All Rights Reserved September 2010 Page 2 of 6 Version : 4 3 Requirements 3.1 General Properties 3 7 1F 3.1 d., ,p2e Table 1: General Properties / E 1: d., ,p2e Designations / 4G F+ Te
9、st Methods / 4G - Specifications / 3.1.1 Weight per unit area. / $88 +95$- :E( . EDS-T-7611 1,050 g/m2 min. / 1,050 g/m2 81 . 3.1.2 Thickness. / % . EDS-T-7624-2H See drawings. / $+ =l9 . 3.1.3 Structure. / 9 . 3.1.3.1 Texture overlay. / :,p - . 3.1.3.1.1 Material. / 8: . Polyester and artificial fi
10、ber synthesized thread. / E(*73B*7t 89 28T8 F2e 4 . 3.1.3.1.2 Weight per unit area. / $88 +95$- :E( . EDS-T-7611 150 g/m2 min. / 150 g/m2 81 . 3.1.3.1.3 Thickness. / % . EDS-T-7624-2H 1.5 ) 2.0 mm 3.1.3.1.4 Weave density. / :9 -4$ EDS-T-7683 3.1.3.1.4.1 Wales. / 1 . 7 wales/cm 3.1.3.1.4.2 Courses. /
11、 881 . 7 courses/cm 3.1.3.1.5 Breaking force. / 88 I$ . EDS-T-7132-B 3.1.3.1.5.1 Wales. / 1 . 140 N/5cm min. / 140 N/5cm 81 . 3.1.3.1.5.2 Courses. / 881 . 80 N/5cm min. / 80 N/5cm 81 . 3.1.3.1.6 Elongation at break. / 88 48 . 3.1.3.1.6.1 Wales. / 1 . EDS-T-7132-B 35 55% 3.1.3.1.6.2 Courses. / 881 .
12、35 55% GMDAT ENGINEERING STANDARDS EDS-M-6604 Copyright 2010 General Motors Company All Rights Reserved September 2010 Page 3 of 6 Version : 4 Designations / 4G F+ Test Methods / 4G - Specifications / 3.1.3.2 Felt overlay (Selection is possible). / DC - (Felt overlay, 2TB 4# ). 3.1.3.2.1 Material. /
13、 8: . 100 weight % Polyester. / 100 Weight % E(*73B* . 3.1.3.2.2 Weight per unit area. / $88 +95$- :E( . EDS-T-7611 150 g/m2 min. / 150 g/m2 81 . 3.1.3.2.3 Thickness. / % . EDS-T-7624-2H 1.5 ) 2.0 mm 3.1.3.2.4 Breaking force. / 88 I$ . EDS-T-7132-B 3.1.3.2.4.1 Wales. / 1 . 140 N/5cm min. / 140 N/5cm
14、 81 . 3.1.3.2.4.2 Courses. / 881 . 80 N/5cm min. / 80 N/5cm 81 . 3.1.3.2.5 Elongation at break. / 88 48 . EDS-T-7132-B 3.1.3.2.5.1 Wales. / 1 . 10 ) 30% 3.1.3.2.5.2 Courses. / 881 . 5 ) 25% 3.1.3.3 Base felt. / d8 DC . 3.1.3.3.1 Material. / 8: . Optical fiber. / E28T . 3.1.3.3.2 Bonding agent. / 9EF
15、9P . Phenol resin. / D“ )4 7 1F 3.2.1 7x9PE8p).Bd 2e .E8 .*4 666 F 7x9PE8t 9* 4 94F 72 , I7 $4F FpF , 798 4 d# 94F7 $4F ,l9P4 666 F$ . 3.2.2 PP8 8:8t 2P) 8 F %L66 F+ 21 68 2P) .*%L: 66x6 F$ . 3.2.3 -O8t 1B , !7( F:E 94F2e 4G 4 Gm8t 3.1.7 9) 9P9I / -PF%L6$ . Issue / P9I8)Y Publication Date / 38 88 Description (Organization) / 9PP9I76 (:04.2P ) 4 SEP 2010 Superceded (Polymer / Organic Material Lab Team) / F9I957 =* (G)8*4G D4 )
