GMW GMW16809-2012 Windshield Coatings Issue 1 English.pdf
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1、 WORLDWIDE ENGINEERING STANDARDS Test Procedure GMW16809 Windshield Coatings Copyright 2012 General Motors Company All Rights Reserved June 2012 Originating Department: North American Engineering Standards Page 1 of 2 1 Scope Note: Nothing in this standard supercedes applicable laws and regulations.
2、 Note: In the event of conflict between the English and domestic language, the English language shall take precedence. 1.1 Purpose. This test determines if non-lacerative windshield coatings are stained or otherwise degraded by cigarette smoke. 1.2 Foreword. Not applicable. 1.3 Applicability. This s
3、tandard applies to passenger cars, and to multipurpose passenger vehicles, trucks, and buses of 4536 kg gross vehicle mass (weight) rating or less. 2 References Note: Only the latest approved standards are applicable unless otherwise specified. 2.1 External Standards/Specifications. None 2.2 GM Stan
4、dards/Specifications. None 3 Resources 3.1 Facilities. Not applicable. 3.2 Equipment. 3.2.1 Burette stand. 3.2.2 Two clamps for burette stand. 3.2.3 Non-filter short pack (7 mm) cigarettes (10). 3.2.4 Laboratory hood. 3.3 Test Vehicle/Test Piece. Sample size of 7 cm x 7 cm minimum. 3.4 Test Time. Ca
5、lendar time: 1 day Test hours: 2 hours Coordination hours: 2 hours 3.5 Test Required Information. Not applicable. 3.6 Personnel/Skills. Not applicable. 4 Procedure 4.1 Preparation. Not applicable. 4.2 Conditions. Test must be conducted in a laboratory hood with exhaust fan off and sliding door close
6、d to minimize air currents. 4.2.1 Environmental Conditions. Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW16809 Copyright 2012 General
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