1、 GMDAT ENGINEERING STANDARDS Material Specification Textiles SUPERCEDED EDS-M-6428 Genuine Leather I This standard may be applied only for current project. It is Superceded for all future projects and replaced by GMW3262. 8% = !87 =7$ 4:1 I Note: 8 E:48t G8 =97 FF7 957%L+ , FG P-P Program .Bd# GMW32
2、62 ) $4=F7 957F$ . Copyright 2010 General Motors Company All Rights Reserved September 2010 Originating Department: GMDAT Engineering Standards Page 1 of 5 Version : 5 1 Introduction Note: Nothing in this standard supersedes applicable laws and regulations. Note: In the event of conflict between the
3、 Korean and English language, the Korean language shall take precedence. 1.1 Purpose. This specification specifies the requirements of basic property for patterns and qualities of genuine leather used for car upholstery. 1.2 Material Description. Genuine leather. 1.3 Typical Applications. This speci
4、fication applies to the cover of the assist grip. 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-7402 EDS-T-7602 EDS-T-7605 EDS-T-7614 EDS-T-7642 EDS-T-7646
5、 EDS-T-7694 GMW3001 EDS-T-7132 EDS-T-7415 EDS-T-7603 EDS-T-7611 EDS-T-7624 EDS-T-7643 EDS-T-7648 GM9160P GMW3059 2.3 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% = !887 17F# =7$ 4:1 (Genuine leather)8 ,p
6、2e8x G*F E:8x 4*F#$ , +958 8$ . 1.2 8: 8-L C2e . =7$ 4:1 . 1.3 957 -88 . Assist grip8 Covering. 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$-1F 68 . 2.2 GM E:4 / . EDS-M-0102 EDS-T-7402 EDS-T-7602 EDS-T-7605 EDS-T-7614 EDS-T-7642 EDS-T-7646 EDS-T-7694 GMW3001 EDS-T-71
7、32 EDS-T-7415 EDS-T-7603 EDS-T-7611 EDS-T-7624 EDS-T-7643 EDS-T-7648 GM9160P GMW3059 2.3 dA E:4 / . F$-1F 68 . GMDAT ENGINEERING STANDARDS EDS-M-6428 Copyright 2010 General Motors Company All Rights Reserved September 2010 Page 2 of 5 Version : 5 3 Requirements 3.1 General Properties 3 7 1F 3.1 d.,
8、,p2e Table 1: General Properties / E 1: d., ,p2e Designations / 4G F+ Test Methods / 4G - Specifications / 3.1.1 Weight per unit area. / $88 +95 $- :E( . EDS-T-7611 580 g/m2 min. / 580 g/m2 81 . 3.1.2 Thickness. / % . EDS-T-7624-1A 1.0 0.2 mm 3.1.3 Tensile strength. / 88 I$ . EDS-T-7132-P 11 N/mm2 m
9、in. / 11 N/ mm2 81 . 3.1.4 Tensile extension. / 88 48 . EDS-T-7132-P 60 % max. / 60 % 8F . 3.1.5 Resistance to thread tear out force. / 9E= dE 87( I$ . EDS-T-7642 15 N min. / 15 N 81 . 3.1.6 Tear strength. / 87( I$ . EDS-T-7646 40 N min. / 40 N 81 . 3.1.7 Stretch. / 482e . EDS-T-7402-B 15 % max. / 1
10、5 % 8F . 3.1.8 Seam strength. / .=F I$ . EDS-T-7648 400 N/5cm min. / 400 N/5cm 81 . 3.1.9 Thermal stability. / 7( 6|9I2e . EDS-T-7402-B No cracks on color layer. / Color layer7 7( 68x . x After folding the test piece of (502) mm wide and (20010) mm long in the longitudinal direction so that coated s
11、urface lies inside, put a 2 kg weight on the folded area. After performing the test at +90 5K for an hour and evaluate it with a lens of magnifying power of 6. / x E! (502) mm, l8 (20010) mm8 4D8x l8 -F8p) Coating%P +!* 9E 9EH .887 2 kg8 Weight* 4F$ . +90 E 2K8 7$72P 1 48 =* G ! :4 -d8 6-d8 $.(d) DD
12、9IF$ . 3.1.10 Low temperature resistance. / !F2e . EDS-T-7605-A 3.1.10.1 Folding test. No cracks on color layer. / x After a test same as in paragraph 3.1.9 at a temperature of (-30) 3K for 2 hours, evaluate it as in paragraph 3.1.9. / x 3.1.9F0 % 8F -8p) (-30) E 3K8 7$72P 2 48 =* G 3.1.9F0 % 8F -8p
13、) DD9IF$ . Color layer7 7( 68x . GMDAT ENGINEERING STANDARDS EDS-M-6428 Copyright 2010 General Motors Company All Rights Reserved September 2010 Page 3 of 5 Version : 5 Designations / 4G F+ Test Methods / 4G - Specifications / 3.1.10.2 Bending test. No cracks on color layer. / x After treating a tes
14、t piece with a dimensions as in paragraph 3.1.9 at (-30) 3K for 2 hours, immediately bend it to 180, 5 times and evaluate it as in paragraph 3.1.9. / x 3.1.9F0 % 8 A d8 4D8x (-30) E 3K8 7$72P 248 =* G ! :4 180) 5G -L.)F7 Bending F % 3.1.9F0 % 8F -8p) DD9IF$ . Color layer7 7( 68x . 3.1.11 Abrasion re
15、sistance. / ! *+2e . x Abrasion wheel: H-18, Test load: 500g, Revolutions: 300 cycles. / x *+* : H-18, F:E : 500g, G983L : 300G . EDS-T-7614-A No remarkable change of color and rupture of surface. / G894F 11-G -C E+D7( 68x . 3.1.12 Resistance to rubbing. / *=d =12e . EDS-T-7643 3.1.12.1 Dry. / E . R
16、ating 4 min. / 4 = 81 . 3.1.12.2 Wet. / 3E . Rating 4 min. / 4 = 81 . 3.1.12.3 Perspiration solution (EDS-T-7013). / 8)&t 76 (EDS-T-7013). Rating 4 min. / 4 = 81 . 3.1.13 Color fastness to artificial light. / 8E )$ . EDS-T-7415 Rating 6 min. / 6 = 81 . 3.1.14 Volatility of organic constituents. / 8T
17、d,p HL-P$ . EDS-T-7694-C (+85 ) - Reflectance. / - -L18 . 60 % min. / 60 % 81 . 3.1.15 Resistance to odour. / ?d2e . EDS-T-7603 3.1.15.1 A2. . Rating 5 min. / 5 = 81 . 3.1.15.2 B2. Rating 5 min. / 5 = 81 . 3.1.16 Top coat adhesion. GM9160P 3.1.16.1 As received. / -O8t 1B . No damages on top coat, co
18、lor. / Top coat, 11 21 68x . 3.1.16.2 After treating at +40 (955)% RH24 hrs, remove moisture with suction paper. / +40 E (955)%RH2448 =* G !8t ,pd* H3:) 9PF B8F8* .8$ . No damages on top coat, color. / Top coat, 11 21 68x . GMDAT ENGINEERING STANDARDS EDS-M-6428 Copyright 2010 General Motors Company
19、 All Rights Reserved September 2010 Page 4 of 5 Version : 5 Designations / 4G F+ Test Methods / 4G - Specifications / 3.1.17 Flammability. / !7$2e . EDS-T-7602 - Burn rate. / - 7$22$ . 90 mm/min max. / 90 mm/min 8F . 3.2 Additional Requirements 3.2.1 Color, grain and surface gloss of the leather sha
20、ll be in accordance with the master sample which is approved and distributed by GMDAT Technical Center. 3.2.2 The leather shall be dyed sufficiently from the coated surface to the back and un-dyed leather fibers shall not appear after sewing. 3.2.3 The leather shall be top-coated to meet the require
21、ments of the attached table paragraph 3.1. 3.2.4 The leather shall be smooth and flexible to the extent that its physical properties are not affected to provide riding comfort. 3.2.5 The leather shall be free from harmful defects such as blush marks, blots and holes. 3.2.6 All material submitted to
22、this specification shall resist soiling and permit ready cleaning by normal cleaning agents. 3.2.7 Further detail, see parts drawings. 3.3 Approval and Quality Assurance Procedure. All raw materials shall be approved and regularly inspected for its quality prior to and during mass production deliver
23、y according to approval and quality assurance procedure for chemical raw materials (Spec. No. EDS-M-0102). 4 Manufacturing Process Not applicable. 5 Rules and Regulations 5.1 All materials supplied to this standard must comply with the requirements of GMW3001, Rules and Regulations for Material Spec
24、ifications 5.2 All parts or systems supplied to this standard must comply with the requirements of GMW3059, Restricted and Reportable Substances for Parts. 6 Approved Sources Not applicable. 7 Notes 7.1 Glossary. Not applicable. 3.2 4 7 1F 3.2.1 4:18 11 , E+ 7= -C E+ EB8t $-1 d3T7$ 272P 38 , -dE %P
25、E:4 ., (Master sample)7 :4F$ . 3.2.2 4:18t Coating%P +8p).Bd Back side: .F 8) 701%L6 86 .=8 G -, 701%P 4:18 28T (fiber)4 !A!2P# 6| %P$ . 3.2.3 4:18t 3.1 F8 7 1F8x +9 4Ad 88F7 Top coating =*4 %L66 F$ . 3.2.4 4:18t , ,p*958 ,p2e7 75F8x -,?: 6# -88 !72P .&)1 8T7$2e8 862P 3= 4 6|( D8x 9P) F7 6 F$ . 3.2.5 +& 4:18t .E8 747 75F8x -,?# 9D , 7) 9P9I / -PF%L6$ . Issue / P9I8)Y Publication Date / 38 88 Description (Organization) / 9PP9I76 (:04.2P ) 5 SEP 2010 Superceded (Appearance Material Engineering Team) / F9I957 =* (Appearance Material 2XD4 )
