1、 WORLDWIDE ENGINEERING STANDARDS Test Procedure GMW15381 Heated Backlight Element Compatibility, Weatherstrips Copyright 2012 General Motors Company All Rights Reserved June 2012 Originating Department: North American Engineering Standards Page 1 of 3 1 Scope Note: Nothing in this standard supercede
2、s applicable laws and regulations. Note: In the event of conflict between the English and domestic language, the English language shall take precedence. 1.1 Purpose. This test is used to determine whether the ingredients in the weatherstrip will react detrimentally with the silver frit and cause it
3、to malfunction. 1.2 Foreword. Not applicable. 1.3 Applicability. This test procedure is applicable to all weatherstrips in contact with heated backlight elements. 2 References Note: Only the latest approved standards are applicable unless otherwise specified. 2.1 External Standards/Specifications. N
4、one 2.2 GM Standards/Specifications. None 2.3 Additional References. Part No.TST-04-014, available from Pilkington N.A., (see 3.2.1). 3 Resources 3.1 Facilities. Not applicable. 3.2 Equipment. 3.2.1 Silk screened glass plates, Part No.TST-04-014 (or equivalent), available from Pilkington North Ameri
5、ca, Inc., 2401 E. Broadway, Northwood, OH, 43619, Telephone Number 1-419-247-4212. See Appendix A, Figure A1. 3.2.2 Weights, 0.45 kg each. 3.2.3 Air-circulating oven capable of maintaining the required test temperatures within the specified tolerances. 3.3 Test Vehicle/Test Piece. Cut two specimens,
6、 25 25 mm of uniform thickness from each weatherstrip to be tested. 3.4 Test Time. Not applicable. 3.5 Test Required Information. Not applicable. 3.6 Personnel/Skills. Not applicable. 4 Procedure 4.1 Preparation. Not applicable. 4.2 Conditions. 4.2.1 Environmental Conditions. Not applicable. 4.2.2 T
7、est 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. Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo repro
8、duction or networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW15381 Copyright 2012 General Motors Company All Rights Reserved June 2012 Page 2 of 3 4.3 Instructions. 4.3.1 Place the specimens on individual silver strips and place a 0.45 kg mass on top of the spec
9、imen. Cover the remaining silver strips with paper to prevent contamination. Note: Individual silver strips may not be reused, even if they have not shown signs of staining and/or degradation. 4.3.2 Place the plate with the specimens and weights into an air-circulating oven at 85 C 3 C for 24 h 0.1
10、h. Note: Oven must be cleaned prior to test or test assembly shall be separated from oven environment (e.g., inside of a desiccator) to prevent contamination. 4.3.3 After exposure, remove the assembly from the oven and immediately remove the weight and weatherstrip specimen from the glass panel. 4.3
11、.4 Check for staining and/or degradation of the silver strip. 4.3.5 Report any staining or degradation of the silver strip. 5 Data 5.1 Calculations. Not applicable. 5.2 Interpretation of Results. Not applicable. 5.3 Test Documentation. Report the results of this test procedure in a test report. Incl
12、ude complete identification of samples, number of samples tested, and any staining or degradation of the silver strip. 6 Safety This standard may involve hazardous materials, operations, and equipment. This standard does not propose to address all the safety problems associated with its use. It is t
13、he responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. 7 Notes 7.1 Glossary. Not applicable. 7.2 Acronyms, Abbreviations, and Symbols. Not applicable. 8 Coding System This standard sh
14、all be referenced in other documents, drawings, etc., as follows: Test to GMW15381 9 Release and Revisions This standard was originated in June 2006. It was first approved by the Global Elastomers Team in December 2006. It was first published in April 2007. Issue Publication Date Description (Organi
15、zation) 1 APR 2007 Initial publication. 2 JUN 2012 Five year refresh of standard. Placed in Test Procedure template. (Elastomers Global Subsystem Leadership Team) Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking per
16、mitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW15381 Copyright 2012 General Motors Company All Rights Reserved June 2012 Page 3 of 3 Appendix A Cross Hatched area to be Lead free Silver Frit Typical source: Englehard Overall dimensions of glass plate for reference only Pla
17、te is to be standard 152.4 x 355.6 mm (6 x 14 in) tempered automotive glass Sample plate (5 mm thickness) Figure A1: Test Glass Plate (Dimensions in Millimeters) Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
