1、 ENGINEERING STANDARDS Material Specification SUPERCEDED EDS-M-6522 Boards(Bamboo Stock) This standard may be applied only for current projects. It is Superceded for all future projects and replaced by GMW14652. 8% = !887 Board (Bamboo Stock)* Note: 8 E:48t G8 =97 FF7 957%L+ , FG P-P Program .Bd# GM
2、W14652 ) $4=F7 957F$ . Copyright 2011 General Motors Company All Rights Reserved June 2011 Originating Department: GM Korea Engineering Standards Page 1 of 6 Version : 2 1 Scope 1.1 Purpose. This standard specifies the requirements of basic property for boards used for rear shelf back and(or) center
3、 load compartment of automobiles. 1.2 Material Description. Compressed and molded Boards (bamboo stock) which mixed synthetic resins and additive with bamboo fiber. (Where, the surface of board shall be covered by covering material indicated on the relevant drawing). 1.3 Typical Applications. Rear s
4、helf back panel and center load compartment. 2 References Note: Only the latest approved standards are applicable unless otherwise specified. 2.1 External Standards/Specifications. ASTM D 790 2.2 GM Standards/Specifications. EDS-M-0102 EDS-T-7304 EDS-T-7415 EDS-T-7602 EDS-T-7603 EDS-T-7604 EDS-T-760
5、9 EDS-T-7616 EDS-T-7624 EDS-T-7656 EDS-T-7694 GME60352 GMW3059 2.3 Additional References. TMC003 Material Safety Data Sheet guidance documents 1 P7 1.1 +95 . ., E:48t 8% =8 Rear shelf back, center load compartment ). 1.3 957 -88 . Rear shelf back panel -C center load compartment. 2 4) E:4 / :0 : C-H
6、 +d%P 9I8 6# F 48 07 38%P E:48x 957F$ . 2.1 17 E:4 / . ASTM D 790 2.2 GM E:4 / . EDS-M-0102 EDS-T-7304 EDS-T-7415 EDS-T-7602 EDS-T-7603 EDS-T-7604 EDS-T-7609 EDS-T-7616 EDS-T-7624 EDS-T-7656 EDS-T-7694 GME60352 GMW3059 2.3 dA E:4 / . TMC003 Material Safety Data Sheet guidance documents GM KOREA ENGI
7、NEERING STANDARDS EDS-M-6522 Copyright 2011 General Motors Company All Rights Reserved June 2011 Page 2 of 6 Version : 2 3 Requirements 3.1 General Properties 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 Thickness.
8、/ % . EDS-T-7624-1A See the relevant drawings. / 2l. $+ =l9 . 3.1.2 Density. / -4$ . GME60352 1.100.10g/cm3 3.1.3 Moisture Content. / 3L. F8T8 . EDS-T-7304 1 weight % max. / 1 weight % 8F . 3.1.4 Water absorption. / ,p H3L8 . EDS-T-7304-G 2 weight % max. / 2 weight % 8F 3.1.5 Thickness swell. / % :4
9、8 . EDS-T-7304-G 1 weight % max. / 1 weight % 8F . 3.1.6 Bursting Strength. / D7( I$ . EDS-T-7616 3.1.6.1 More than 1.5 mm of thickness. / % 1.5 mm 81 . 2.0 MPa min. / 2.0 MPa 81 . 3.1.6.2 More than 2.0 mm of thickness. / % 2.0 mm 81 . 2.3 MPa min. / 2.3 MPa 81 . 3.1.6.3 More than 2.5 mm of thicknes
10、s. / % 2.5 mm 81 . 2.6 MPa min. / 2.6 MPa 81 . 3.1.6.4 More than 3.0 mm of thickness. / % 3.0 mm 81 . 3.0 MPa min. / 3.0 MPa 81 . 3.1.7 Flexural strength. / I$ . ASTM D 790 3.1.7.1 In longitudinal direction. / 9 -F . 500 kg/cm2 min. / 500 kg/cm2 81 . 3.1.7.2 In transverse direction. / G -F . 400 kg/
11、cm2 min. / 400 kg/cm2 81 . 3.1.8 Flexural modulus. / A2e8 ASTM D 790 3.1.8.1 In longitudinal direction. / 9 -F . 400 kg/mm2 min. / 400 kg/mm2 81 . 3.1.8.2 In transverse direction. / G -F . 250 kg/mm2 min. / 250 kg/mm2 81 . GM KOREA ENGINEERING STANDARDS EDS-M-6522 Copyright 2011 General Motors Compa
12、ny All Rights Reserved June 2011 Page 3 of 6 Version : 2 Designations / 4G F+ Test Methods / 4G - Specifications / 3.1.9 Dimensional stability under humid conditions. / 38X4 ?3L 6|9I2e . EDS-T-7656 3.1.9.1 In longitudinal direction. / 9 -F . 1.0 % max. / 1.0 % 8F . 3.1.9.2 In transverse direction. /
13、 G -F . 2.0 % max. / 2.0 % 8F 3.1.10 Temperature stability. / 7$ 6|9I2e . EDS-T-7604-2G 3.1.10.1 In longitudinal direction. / 9 -F . 0.3 % max. / 0.3 % 8F . 3.1.10.2 In transverse direction. / G -F . 0.5 % max. / 0.5 % 8F . 3.1.11 Resistance to odour. / ?d2e EDS-T-7603 3.1.11.1 A2. Rating 5 min. / 5
14、 = 81 . 3.1.11.2 B2. Rating 5 min. / 5 = 81 . 3.1.12 Volatility of organic constituents. / 8Td,p HL-P$ . EDS-T-7694-A (+105 E ) - Reflectance. / - -L18 . 70 % min. / 70 % 81 . 3.1.13 Flammability. / !7$2e . EDS-T-7602 - Burning rate. / - 7$2 2$ . 90 mm/minute max. / 90 mm/. 8F . 3.1.14 Assembly Type
15、 A & Type B (In case of covering materials are textiles). / Assembly Type A & Type B (Covering material Textile 8 7 ). 3.1.14.1 Color fastness to artificial light. / 8E )$ . EDS-T-7415 Rating 7 min. / 7 = 81 . 3.1.14.2 Resistance to peel. / -I* I$ . EDS-T-7609 There shall be no separation between su
16、bstrate and covering. / d87t covering 1872P .*%L: + . y Width of test piece: 2 cm, Test speed: 5 m/sec, Test angle: 30. / y 4G D E! : 2 , 4G 2$ : 5 m/sec, 4G 5$ : 30. 3.1.14.2.1 +23 E 5K GM KOREA ENGINEERING STANDARDS EDS-M-6522 Copyright 2011 General Motors Company All Rights Reserved June 2011 Pag
17、e 4 of 6 Version : 2 Designations / 4G F+ Test Methods / 4G - Specifications / 3.1.14.2.2 +40 E 3K (953)% RH (481) hours : +23 E 5K. 3.1.14.2.3 +80 E 2.5K (1201) hours : +23 E 5K. 3.1.14.2.4 +115 E 2.5K (241) hours : +23 E 5K. 3.1.14.3 Temperature stability. / 7$ 6|9I2e . EDS-T-7604-F 3.1.14.3.1 Dim
18、ensional changes (Perpendicular 2 directions). / ?3L -G (4D8t 2P) 3L: -F8p) =x? F$ ). 0.3 % max. / 0.3 % 8F . 3.1.14.3.2 Other changes. / $* -G . No adverse changes. / 171 .*F -G 68x . 3.1.15 Heat resistance. / !7(2e . - Curvature change. / - * -G . 5 mm max. / 5 mm 8F . y 115 E 2.5K 24 hours : 40 E
19、 2.5K 932 % RH 48 hours. 3.2 Additional Requirements 3.2.1 For details, see part drawing. 4 Manufacturing Process Not applicable. 5 Rules and Regulations 5.1 Legal Regulations. All materials must satisfy applicable laws, rules, regulations and recommendations valid in the country of usage. 5.2 Langu
20、age. 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 released to a GM material specification shall be tested for conformity with the requirements of this material specificati
21、on and approved by the responsible Engineering department prior to commencement of delivery of bulk supplies. A new approval must be received for any changes, e.g., properties, manufacturing process, location of manufacture, etc. If not otherwise agreed, all testing and documentation normally requir
22、ed for initial release must be completed. 3.2 4 7 1F 3.2.1 dA 82lF 1F8t .E $+8x =l9 F . 4 9P9 )9I18 775 9 F$-1F 68 . 5 ?0 9I 5.1 -*1 9I . +& 8*# F$- 472P 170 4) , 8TGF 957 4#F :4- , ? , 9I -C 1F8x +94P6 F$ . 5.2 66 . F67t 7568 18 88x 7 , F6* 72T8p) F$ . 5.3 1 -C -L)X . GM 8-LE:47 8F 9P%P .E8! 8*8 4G
23、 D8t ., 8-LE:47 9I%P 4G 8x 7 98x +94P6 F+ , 61 )= 987 :04 .2P8 388x -O6x6 F$ . &H88 , d# , 22e , 9P9 )9I ,* /D# 21: &%0 4)%P 6&F -8($ -P2%T 7 , 1)7 388x -O6x6 F$ . $* F84 6# F , 8-L958p) 4 4=8x F6 F$ . -$8 GE84 6# F , )=8# 38%L: 68t 9PE8 61 )= 987 +& F$- 4G 8x -L.) 3LFF 0* ,l2PGF6 F$ . 8. 77 86 :04
24、.2P7t )=888 F87 8F $%P : 4G 8x 44F 3L 8$ . 5.4 FF2P# 6| %P$ . 5.5 ,p:6|98.(8* / 6|98.(8* (MSDS/SDS). 49PE8 )= D# d97 )=%L# 9PE ! GF,p: 92e8 -%P 7 , GF ,p: .* y E47 4F 2l 9G 43B (GHS) D# 5 :7!- ,p:6|98.(8* / 6|98.(8* 7 1F8x +9F# ,p:6|98.(8* / 6|98.(8* 9PF6+ F$ . 4958p) 9PE8 ,p:6|98.(8* / 6|98.(8*# GM
25、8 ,p:6|98.(8* / 6|98.(8*7 4F :?8 TMC0038 7 1F8x :43LF6+ F$ . 5.6 ., E:47 9P4%P +& 8:&8t GMW3059 (8TF,p: 179P )8 9P* &d(6 F$ . 6 38 6= 8 E:48t 38%P 6=7 $4F d3T95 :8x 7F$ . 8 E:47 8F d3T958 :8 7x*%P GM 88 +2l7 !7(%P 6=+8 8 E:48 7 1F8x 94A$ . $* :7!7 88?F GM 8 7 , F$- 4-) 38%P 6= 9I.(* 83LFd 88F2P# F$- :04 .2P7t GE8F6 F$ . 6.1 38 -C E:.(: 9) 9P9I / -PF%L6$ . Issue / P9I8)Y Publication Date / 38 88 Description (Organization) / 9PP9I76 (:04.2P ) 2 JUN 2011 Apply new Engineering Standard Template. Superceded (Polymer / Organic Material Lab Team) / 4 d3TE:4 64 957 . F9I957 =* (G)8*4G D4 )
