1、 WORLDWIDE ENGINEERING STANDARDS Test Procedure GMW14445 Sunscreen and Insect Repellant Resistance Copyright 2011 General Motors Company All Rights Reserved August 2011 Originating Department: North American Engineering Standards Page 1 of 2 1 Scope Note: Nothing in this standard supercedes applicab
2、le laws and regulations. Note: In the event of conflict between the English and domestic language, the English language shall take precedence. 1.1 Purpose. Test of the resistance of vehicle interior materials to sunscreen and insect repellent. 1.2 Foreword. Not applicable. 1.3 Applicability. Not app
3、licable. 2 References Note: Only the latest approved standards are applicable unless otherwise specified. 2.1 External Standards/Specifications. None 2.2 GM Standards/Specifications. None 3 Resources 3.1 Facilities. Not applicable. 3.2 Equipment. 3.2.1 Heating oven. 3.2.2 Test solution made up of eq
4、ual parts by weight. 3.2.3 Solution is: 3-(4-Methoxyphenyl)-2-propene acid-2-ethyl-hexylester (Octyl Methoxycinnamate) CAS 5466-77-3. 3.2.4 Solution is: 2-Ethylhexyl-2-cyano-3, 3-diphenylacrylate (Octocrylene) CAS 6197-30-4. 3.2.5 Solution is: 3, 3, 5-Trimethylcyclohexylsalicylate (Homosalate) CAS 1
5、18-56-9. 3.2.6 Solution is: N, N-Diethyl-m-toluamide (DEET) CAS 134-62-3. 3.2.7 Auxiliary materials (pipette, water, cloth and soap detergent solution CAS 9004-82-4 or equivalent, neutral pH value, to contain no optical brighteners). 3.3 Test Vehicle/Test Piece. 3.3.1 Test Material. Interior materia
6、ls which may come into contact with the human skin. 3.4 Test Time. Calendar time: 0 days Test hours: 1 hour Coordination hours: Not applicable 3.5 Test Required Information. Not applicable. 3.6 Personnel/Skills. Not applicable. 4 Procedure Note: Additional testing to be carried out before or after t
7、he procedure specified in this standard shall be noted in the relevant material specification, drawing or math file. 4.1 Preparation. The surfaces to be tested shall be cleaned accordingly before the respective tests. 4.2 Conditions. 4.2.1 Environmental Conditions. As specified in 4.3. 4.2.2 Test Co
8、nditions. Deviations from the requirements of this standard shall have been agreed upon. Such requirements shall be specified on component drawings, test certificates, reports, etc. 4.3 Instructions. 4.3.1. Drops of the test solution approximately 50 l to the clean surface of the test sample in at l
9、east three different places using a pipette. 4.3.2 Then the test sample is placed in the oven for 1 h at +80 3 C. 4.3.3 Immediately after removing from the oven, the test sample is cleaned with a detergent solution and wiped dry. 4.3.4 After cooling to +23 5 C, the evaluation is carried out. 5 Data
10、5.1 Calculations. Not applicable. 5.2 Interpretation of Results. 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 GMW14445 Copyright 2011 Gen
11、eral Motors Company All Rights Reserved August 2011 Page 2 of 2 5.2.1 Evaluation and Rating: Rating Evaluation 1 No change. 2 Slight change of gloss, color, swelling or any other tolerable effects. 3 Significant change of color, swelling, blisters, creases or other non-tolerable effects. 4 Very sign
12、ificant change of color, swelling, blisters, creases or other non-tolerable effects. 5.3 Test Documentation. The results shall be compiled in a test report with reference to this test procedure. 6 Safety This standard may involve hazardous materials, operations, and equipment. This standard does not
13、 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 prior to use. 7 Notes 7.1 Glossary. Not applicable. 7.2 Acronyms,
14、Abbreviations, and Symbols. l microliter DEET N, N-Diethyl-m-toluamide 8 Coding System This standard shall be referenced in other documents, drawings, etc., as follows: Test to GMW14445 9 Release and Revisions This standard was originated in September 2005. It was first approved by the Global Textil
15、es Committee in February 2006. It was first published in February 2006. Issue Publication Date Description (Organization) 1 FEB 2006 Initial publication. 2 AUG 2011 Five year refresh of standard updated in current template. Revised as follows: Paragraph 3.2.7 detergent specified; 3.4 test time added; 4 Note added; 4.2.1 content added; 7.2 microliter added. (Finishes and Coatings Global Subsystem Leadership Team) Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
