1、 ENGINEERING STANDARDS Test Procedure SUPERCEDED EDS-T-7613 Test Method for Determining the Air Permeability of Trim Materials This standard may be applied only for current projects. It is Superceded for all future projects and replaced by ISO9237. 8% = !888 )d C0( 4G - Note: 8 E:48t G8 =97 FF7 957%
2、L+ , FG P-P Program .Bd# ISO9237 ) $4=F7 957F$ . Copyright 2011 General Motors Company All Rights Reserved October 2011 Originating Department: GM Korea Engineering Standards Page 1 of 5 Version : 5 1 Scope Note: Nothing in this standard supersedes applicable laws and regulations. Note: In the event
3、 of conflict between the Korean and English language, the Korean language shall take precedence. 1.1 Purpose. The purpose of this standard is to determine the air permeability of textiles, plastics, paper, foams and other trim materials used singly or in laminated form. 1.2 Applicability. This stand
4、ard shall specify the test method that determine the volume of air in liters per minute, under standard conditions, required to maintain a constant pressure differential across a standard test piece of material. 2 References Note: Only the latest approved standards are applicable unless otherwise sp
5、ecified. 2.1 External Standards/Specifications. None 2.2 GM Standards/Specifications. EDS-T-7507 2.3 Additional References. None 3 Resources 3.1 Equipment. 3.1.1 Chamber Capable of Conditioning to EDS-T-7507. 3.1.2 Air Permeability Test Equipment (See Figure 1). 3.1.2.1 Test Piece Mounting and Press
6、ure Chamber. 3.1.2.1.1 This shall be of suitable size to accommodate the test piece mounting and fittings for the manometer, and exhaust. 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 17%L# $8 Gm8t 2&88? GIB8 :,p , F(3D% , 98 , E
7、0 (Foam)0 , 7 C* 8:8 )dC0(8x ?U9IF#$ , +958 8$ . 1.2 957 -88 . 8% =7 C* 8: (:,p , F(3D% , 98 , E0 &% )8x 9I%P 9F72P 4G D8x 187 % 89IF 6)Y=* 8T:4P .$- 4G D8x B0F# )d8 .Fp* ?U9IF# 4G -7 $4F7 9IF$ . 2 4) E:4 / :0 : C-H +d%P 9I8 6# F 48 07 38%P E:48x 957F$ . 2.1 17 E:4 / . None 2.2 GM E:4 / . EDS-T-7507
8、 2.3 dA E:4 / . None 3 4G 88 3.1 4G 8/x . 3.1.1 EDS-T-7507 7 &d* 98=* F 3L 8# =- . 3.1.2 )d C02e 4G d (,* 1 =l9 ). 3.1.2.1 4G D 9I 8?7t 6)Y =- . 3.1.2.1.1 4G d# 4G D 9I8? , *“-,Bd (Manometer), -dd8? &%8x 3L7F 3L 8# 959F 3L 8$) 3D82P (Spacer) Gm8t =+ (Sieves)7 8F 99Q+958 20 %* 2F l8 250 mm8 #)d! :243
9、 17F$ . 3.1.2.4.2 :243 174 (+20 E , 0.2 MPa)# +& 4G 07 9I13L 1.038x %F$ . 3.2 4G D . 3.2.1 4G D8 A d . 4G D8 7 ) .8872P 8:8 8F .8x (2P 100 cm2 8 8GI 4D8x =x?F$ . $ , 4G D8 % 4 26 mm 818 77# , 4G D8 “%L# +8 E F%L$) 26 mm ) 94A$ . 4G D8 % 4 5 mm -,+8 &# .3L958 6 68 4G F$ . 4.2.4 )d H8 388?* 7( *“-,Bd
10、 .(+2P -l/* 17F7 8F# 6)Y=) 99) 9P9I / -PF%L6$ . Issue / P9I8)Y Publication Date / 38 88 Description (Organization) / 9PP9I76 (:04.2P ) 5 OCT 2011 Apply new Engineering Standard Template. Superceded (Polymer / Organic Material Lab Team) / 4 d3TE:4 64 957 . F9I957 =* (G)8*4G D4 ) GM KOREA ENGINEERING STANDARDS EDS-T-7613 Copyright 2011 General Motors Company All Rights Reserved October 2011 Page 5 of 5 Version : 5 Figure 1: Air permeability Test Equipment. / ,* 1: )d C02e 4G d
