1、 ENGINEERING STANDARDS Test Procedure LIMITED USE EDS-T-7609 Test Method for Determining of the Resistance to Peeling of Adhered Body Trim Materials Do Not Use on New Program; No Replacement. -H4 866 F$ . $ , 3GI ;8 E!8t 50 mm818 . GM KOREA ENGINEERING STANDARDS EDS-T-7609 Copyright 2011 General Mot
2、ors Company All Rights Reserved August 2011 Page 2 of 6 Version :4 3.1.2 The adhesion of the test pieces shall be evaluated against specified test panels. The painted panel with the dimensions (2505) mm (505) mm (10.2) mm shall be used as the test plate. The quality of the paints and its method of a
3、pplication shall be as per current final finish procedures appropriate to the envisaged application of the material under test. 3.1.3 A Metal Roller weighing (200020) g and of dimension shown in Figure 2. 3.1.4 Cutting Dies or Shears for preparation of test pieces. 3.1.5 Petroleum Ether 100/140 grad
4、e or equivalent. 3.1.6 Oven or Environmental Chambers capable of maintaining the conditions specified on drawings, material specifications etc. 3.1.7 Flat Brush 3.1.8 Adhesive Applicator 3.1.8.1 Adhesive spray gun with 2.5 mm nozzle (e.g. Walther-Pilot, model III F) 3.1.8.2 No 200 “K bar“(Supplier R
5、.K. Chemical Co Ltd, South View Laboratory, Littlington, Royston, Herts). 3.1.9 Adhesive complying with the data on drawings, material specifications etc. shall be used. The requirements and the application method are specified on the individual material specifications for the adhesive specified. 3.
6、2 Test Piece. 3.2.1 Size of the Test Pieces. From available material, the test pieces at least 300 mm length, (500.5) mm width shall be taken. When the test material is of smaller width than this, then the original width shall be used. 3.2.2 Number of the Test Pieces. 3.2.2.1 For initial sample appr
7、oval and arbitration purposes: at least 3. 3.2.2.2 For routine quality control: at least 1. 4 Procedures 4.1 Conditioning. 4.1.1 Tests shall be conducted in the as received condition without the special conditioning. 4.1.2 The test piece with the special condition shall be conditioned to the require
8、ment specified on drawings or material specifications etc. 4.2 Conditions. 4.2.1 Test Conditions. Deviations from the requirements of this standard shall have been agreed upon. Such requirements shall be specified on component drawings, test certificates, reports, etc. 3.1.2 4G D8 9E=)Y8t 9I%P IDD7
9、$4F7 D4 %L66 F+ 4G DD8t (2505) mm (505) mm (10.2) mm A d8 $8 IDD8x 17F$ . $ , $*8 E:0 $8-8t G88 4G F 8:8 957%L# .887t % 8F6 F$ . 3.1.3 (200020) g ,h7t 7 E4F A d8 :$) $8 DD“8 l8 -F :E6 .8872P 6x(;8p) 9E= 4A$ . 4.3.1.5 4G D8 9E=8t 4G D %+8x )7) ) 6 10 mm/ =l9 ). 4.3.5 $8 IDD8p).Bd 4G D8x (20020) mm8 2
10、$) 180 -I* 4A#$ Fx7F H8t F:E 7$2 d)7 8F 8% 958p) d) %L66 F$ . GM KOREA ENGINEERING STANDARDS EDS-T-7609 Copyright 2011 General Motors Company All Rights Reserved August 2011 Page 4 of 6 Version :4 5 Data 5.1 Evaluations. The peel strength shall be calculated as the average of the separation force re
11、corded on the force extension diagram by taking individual values, approx. 20 mm apart from the diagram. For this calculation values, the central 50 % of the force extension diagram shall be used. 5 4G $8Bd 5.1 D4 . -I* I$# F:E 7$2 d)7 !A! (8 diagram) :E4 50 % -88!8 88x 6 20 mm 88p) !#86 68t PP8 F8
12、13T D F8$ . Figure 1: Peel Strength Diagram / ,* 1: -I*I$ Diagram 5.2 Expression of Results. The peel strength shall be expressed as the arithmetic average of 3 test results or as the individual result in N/5 cm width rounded to the nearest 0.1 N/5cm width. 6 Safety This standard may involve hazardo
13、us materials, operations, and equipment. This standard does not propose to address all the safety problems associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations pri
14、or to use. 7 Notes 7.1 Glossary. Resistance to Peel: To be the force in Newton, to require to peel leather cloth, plastic films, carpets, deadener pads 180 from painted automobile body panels or other specified materials. 7.2 Acronyms, Abbreviations, and Symbols. Not applicable. 8 Coding System This
15、 standard shall be referenced in other documents, drawings, etc., as follows: 5.2 0 E4 . -I* I$# 558 4G 0? Gm8t 3- 4G F 08 13T D F8p) F%L $88# N/5cm8+ 0.1 N/5cm: EdF$ . 6 6|987 $4F 7 9 ., E:48t 88G ,p: , 86 , 8/x &%8x E FF 3L 8$ . ., E:48t 87 $4F 170 4)%P +& 6|98 ,l9P8 F8x 9P4F:# 6#$ . &d(2P 17 987
16、95FF 6|980 I 1B* 9DF , -18 9PF 728 957 7 .* 9IF# 8t ., E:4 1788 =y8 1F8$ . 7 768 9I8 7.1 98,l 76 . -I* I$ : 894:1 , F(3D% Fx* , ?DC , -8D&4 $8IDD Gm8t $* C9IF 8:).Bd 180-I* F#$ Fx7F N$888 H8$ . 7.2 66 -C dGl . F$-1F 68 . 8 Ed - $* ,l2P! $+ &%72P ., E:48 87%T &# $80 M8 EdF$ . GM KOREA ENGINEERING STA
17、NDARDS EDS-T-7609 Copyright 2011 General Motors Company All Rights Reserved August 2011 Page 5 of 6 Version :4 English Resistance to peel to EDS-T-7609 Test Method Designation Adhesive: Based on the product condition Substrate: Based on the product condition Adhesive, substrate, paint etc Paint: Bas
18、ed on the product condition 23 5K48 hours min. 30 N/5cm 23 5K48 hours ? 80 2.5K120 hours ? 23 5K min. 30 N/5cm 23 5K48 hours ? 40 2.5K95%RH 72 hours ? 23 5K min. 30 N/5cm Requirement Test condition ,l -I* I$ to EDS-T-7609 4G - 4G F+ 9E=9P : 6197 :4F d8 : 6197 :4F 9E=9P , d8 , D8C D8C : 6197 :4F 23 E
19、 5K48 48 30 N/5cm 81 23 E 5K48 48 80 E 2.5K120 48 23 E 5K 30 N/5cm 81 23 E 5K48 48 40 E 2.5K95%RH 72 48 23 E 5K 30 N/5cm 81 7 9 4G 9 9 Release and Revisions This standard was originated in July 1993. It was first approved by Engineering Standard Committee in July 1993. It was first published in July
20、 1993. 9 9P9I -C P9I 8)Y ., E:48t 1993 “x 7 87 E:4 -Gl4 .7 %L6 , d3TE:41,h7 8F 1993“x 787 38%L6$ . ., E:48t 1993“x 787 ) 9P9I / -PF%L6$ . Issue / P9I8)Y Publication Date / 38 88 Description (Organization) / 9PP9I76 (:04.2P ) 4 AUG 2011 Apply new Engineering Standard Template. Limited use with no rep
21、lacement (Polymer / Organic Material Lab Team) / 4 d3TE:4 64 957 . F9I957 ($4=E:4 68 ) =* (G)8*4G D4 ) GM KOREA ENGINEERING STANDARDS EDS-T-7609 Copyright 2011 General Motors Company All Rights Reserved August 2011 Page 6 of 6 Version :4 Figure 2: Metal Roller / ,* 2: 2 )7) Figure 3: The Scheme of Test Piece and Grip / ,* 3: 884G d7 4G D8 8=%P +3
