1、 WORLDWIDE ENGINEERING STANDARDS Test Procedure GMW14334 Chemical Resistance to Fluids Copyright 2013 General Motors Company All Rights Reserved June 2013 Page 1 of 6 1 Scope Note: Nothing in this standard supercedes applicable laws and regulations. Note: In the event of conflict between the English
2、 and domestic language, the English language shall take precedence. 1.1 Purpose. The object of this test procedure is to determine the effects of fluids on automotive trim materials and components. Examples of fluids are cleaning agents, perspiration, etc. 1.2 Foreword. Not applicable. 1.3 Applicabi
3、lity. Such components will normally have organic-coated surfaces or be integrally colored plastic or self-adhesive films, but other types of materials or components are not excluded. 2 References Note: Only the latest approved standards are applicable unless otherwise specified. 2.1 External Standar
4、ds/Specifications. None 2.2 GM Standards/Specifications. 9981285 9982224 B 040 1990 L 000 0555 9982223 9985129 GMW3221 L 000 0556 2.3 Additional References. The following are available at: www.cas.org: CAS 64-19-7 CAS 7647-14-5 CAS 7732-18-5 CAS 10039-32-4 CAS 10361-29-2 3 Resources 3.1 Facilities.
5、3.1.1 Calibration. The test facilities and equipment shall be in good working order and shall have a valid calibration label. 3.1.2 Alternatives. Alternative test facilities and equipment may also be used. However, all measuring variables as specified in this standard shall be determined correctly w
6、ith respect to their physical definition. 3.2 Equipment. 3.2.1 Apparatus for conditioning to GMW3221. 3.2.2 Containers of sufficient capacity to hold test pieces and test medium. 3.2.3 Clean cotton cloth. Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot f
7、or ResaleNo reproduction or networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW14334 Copyright 2013 General Motors Company All Rights Reserved June 2013 Page 2 of 6 3.2.4 Test Medium. The test fluid specified in the material specification shall be called out on t
8、he drawing or in the math data per the designated code in Table 1. Examples for regional commercial products are given in Table A1. If more than one fluid is given under a coding, the test shall be repeated for each fluid. 3.3 Test Vehicle/Test Piece. 3.3.1 Test Piece. If possible, complete componen
9、ts shall be tested. Where size, configuration, etc., restricts testing, sections of convenient size, cut from the component, shall be used. A minimum of three (3) test pieces shall be tested. 3.3.2 Organic Coatings. It is also permissible to use specially prepared test panels. The size shall be: (25
10、0 5) x (20 2) x (0.8 to 2.5) mm The test panels shall be made of production-intent substrates. Coating shall be applied via production-intent processes and in the thicknesses specified in the material specification or in the paint manufacturers data sheet. 3.4 Test Time. Not applicable. 3.5 Test Req
11、uired Information. If not otherwise specified, the respective fluids are applicable for the materials specified in Table 2 (integrally colored, organic-coated, and self-adhesive films listed; other types of materials must specify the required fluids). Conditioned test pieces shall be immersed in the
12、 test fluid for the time specified in Table 2. The test pieces shall be removed, rinsed free of reagent, dried with clean cloth using slight pressure, inspected, and evaluated. Table 1: Fluids Code Fluids A Cleaning Agents for Interior Commercial vehicle cleaning agent-Interior Commercial window cle
13、aning agent B Cleaning Agents, Polishes and Protective Agents for Exterior Transit coating/protective wax Remover for transit coating/protective wax Commercial vehicle cleaning agent - Exterior Commercial window cleaning agent Commercial car shampoo Commercial paintwork cleaning product Commercial w
14、asher fluid Commercial tar and road oil cleaner Commercial chrome cleaner and polish Commercial glass treatment C Artificial Perspiration Solutions Prepared as follows: a. Acid perspiration solution (pH approximately 4) Copyright General Motors Company Provided by IHS under license with General Moto
15、rs CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW14334 Copyright 2013 General Motors Company All Rights Reserved June 2013 Page 3 of 6 Code Fluids Substance CAS-Number Quantity Sodium chloride 7647-14-5 8.0 g Sodium ph
16、osphate dibasic dodecahydrate (12 H2O) 10039-32-4 8.0 g Glacial acetic acid 64-19-7 5.0 g Distilled water 7732-18-5 to 1000 mL b. Alkaline perspiration solution (pH approximately 9) Substance CAS-Number Quantity Sodium chloride 7647-14-5 10.0 g Ammonium carbonate 10361-29-2 4.0 g Sodium phosphate di
17、basic dodecahydrate (12 H2O) 10039-32-4 1.0 g Distilled water 7732-18-5 to 1000 mL X Other fluids; to be called out on drawing. Table 2: Immersion Time and Applicability Fluid Immersion Time Applicable for Materials Commercial vehicle cleaning agent Interior/exterior 24 h Integrally colored plastics
18、 Organic-coated surfaces Self-adhesive films Commercial window cleaning agent 1 h Integrally colored plastics Organic-coated surfaces Self-adhesive films Transit coating/ Protective wax 24 h Organic-coated surfaces Remover for Transit Coating/ Protective wax 1 h Organic-coated surfaces Commercial ca
19、r shampoo 24 h Integrally colored plastics Organic-coated surfaces Self-adhesive films Commercial paintwork cleaning product 24 h Integrally colored plastics Organic-coated surfaces Commercial washer fluid 1 h Integrally colored plastics Organic-coated surfaces Self-adhesive films Copyright General
20、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 GMW14334 Copyright 2013 General Motors Company All Rights Reserved June 2013 Page 4 of 6 Fluid Immersion Time
21、Applicable for Materials Commercial tar and road oil cleaner 10 minutes Organic-coated surfaces Commercial chrome cleaner and polish 10 minutes Organic-coated surfaces Commercial glass treatment 1 h Organic-coated surfaces Artificial perspiration solutions 24 h Integrally colored plastics Organic-co
22、ated surfaces 3.6 Personnel/Skills. Not applicable. 4 Procedure 4.1 Preparation. Test pieces shall be tested immediately after conditioning to GMW3221 Code A for periods as defined in 4.2 and 4.3. 4.2 Conditions. 4.2.1 Environmental Conditions. Not applicable. 4.2.2 Test Conditions. Deviations from
23、the requirements of this standard shall have been agreed upon. Such requirements shall be specified on component drawings, test certificates, reports, etc. 4.2.2.1 Organic Coatings. All organic coatings conditioned for 72 h. 4.2.2.2 Self-adhesive Films. Condition for 24 h after adhering. 4.2.2.3 Pla
24、stic Parts. Condition for 24 h. Conditioning and testing shall not be performed within 72 h of manufacture. 4.3 Instructions. 4.3.1 The test procedure shall be performed at +23 C 5 C. 4.3.2 Fill specified test fluid into the test container. 4.3.3 Place the conditioned test piece into the test contai
25、ner so that a minimum of half the test piece is covered by the test fluid. For parts with an appearance surface (visible surface in car) a minimum of half the surface shall be covered. 4.3.4 Immerse the test piece for the time specified in Table 2. 4.3.5 Remove the test piece from the test container
26、. Rinse the test fluid from the test piece and dry with clean cloth using slight pressure. Inspect and evaluate according to Interpretation of Results (5.2). 5 Data 5.1 Calculations. Not applicable. 5.2 Interpretation of Results. The test pieces shall be examined with the naked eye and compared with
27、 untested reference samples and/or the unsubjected portion of the test piece. Reference samples shall be taken either from the same component or test sample, or from the same batch of components or test samples. After visual examination, the test pieces shall be rated according to the following crit
28、eria. If no rating or other criteria is specified, a rating of four (4) shall be applied. 5.2.1 Rating 1. This rating is typically used for plastics. No change of surface, e.g., change in gloss, shrinkage, discoloration, wrinkling (creasing), blistering, distortion, cracking, etc. 5.2.2 Rating 2. Th
29、is rating is typically used for organic-coated surfaces. No swelling, no dissolution, no change in gloss, no discoloration, no wrinkling (creasing) and no blistering. Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking
30、 permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW14334 Copyright 2013 General Motors Company All Rights Reserved June 2013 Page 5 of 6 5.2.3 Rating 3. This rating is typically used for self-adhesive films. No change of surface, e.g., change in gloss, shrinkage, discolora
31、tion, wrinkling (creasing), blistering, etc. Swelling of the adhered edges, up to 1 mm penetration shall be permitted. 5.2.4 Rating 4. No change of surface. No changes detrimental to the function of the part. 5.3 Test Documentation. With reference to this test method, the results of the evaluation s
32、hall be presented in a test report. 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 the responsibility of the user of this standard to establish appropriate safety and
33、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. CAS Chemical Abstracts Service GSSLT Global Subsystem Leadership Team pH A measure of the acidity or alkalinity of a solution 8 Cod
34、ing System This standard shall be referenced in other documents, drawings, etc., as follows: Test to GMW14334 Examples: Resistance to Cleaning Agent to GMW14334 - B - Rating 2 Perspiration Resistance to GMW14334 - C - Rating 1 9 Release and Revisions This standard was originated in September 2005. I
35、t was first approved by the Global Plastics Team in December 2006. It was first published in May 2007. Issue Publication Date Description (Organization) 1 MAY 2007 Initial publication. 2 JUL 2009 Template of this standard changed to the new template “Test Procedure (Category = Materials)” / Paragrap
36、h 3.3.2 (was 4.2.1) following in the material specification 4.2.2 added template text of this standard text added / Paragraph 4.2.2.1 (was 5.2.1) and Paragraph previous 5.2.2 became new Paragraph 4.2.2.1 Text changed/Text previous 5.2.1 was: Oven Dried Organic Coatings. Condition for 24 h minimum af
37、ter coating and baking. Text previous 5.2.2 was: Air Dried Organic Coatings. Condition for 72 h minimum after coating and drying. Subsequent subsections of 4.2.2.1 renumbered accordingly. Appendix A, changed Sonax article numbers to Sonax article names. Table 1 item C, alkaline solution about ph 9.0
38、 was 7.7 Paragraph 8, Added test to GMW14334 before example. (Global Plastics Team) 3 JUN 2013 Updated Appendix A. Some GM Goodwrench materials have been replaced by ACDelco products. (Plastics GSSLT) Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for R
39、esaleNo reproduction or networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW14334 Copyright 2013 General Motors Company All Rights Reserved June 2013 Page 6 of 6 Appendix A A1 Examples of Fluids (Information Only) Table A1: Available Fluids Commercial Vehicle Clea
40、ning Agent - Interior (or equivalent) Sonax Car Interior Cleaner ArmorAll Cleaner ArmorAll Protectant Fantastik Multi-purpose Cleaner ACDelco Liquid Silicone GM Vehicle Care 88861405 Leather, Vinyl and Plastic Cleaner Commercial Vehicle Cleaning Agent - Exterior (or equivalent) Sonax Car Exterior Cl
41、eaner Simple Green Cleaner Commercial Window Cleaning Agent (or equivalent) Sonax Glass Clear Glass Cleaner SC Johnson Windex Glass Cleaner Blue Formula 409 Glass and Surface Cleaner ACDelco 19259280 Glass Cleaner Commercial Glass Treatment Agent (or equivalent) RainX Original Formula Transit Coatin
42、g/Protective Wax (or equivalent) Protective Wax to L 000 0555 Protective Wax to L 000 0556 Transit Coating to 9982223 Remover for Transit Coating/Protective Wax (or equivalent) Transit Coating Remover to 9982224 Commercial Car Shampoo (or equivalent) 2% Solution of Sonax Gloss Shampoo Concentrate 1%
43、 solution of Detergent to 9981285 ACDelco 88865217 Car Wash Shampoo Commercial Paintwork Cleaning Product (or equivalent) Sonax Paintwork Cleaner Intensive ACDelco 88865218 Cleaner Wax Commercial Washer Fluid (or equivalent) 66% Solution of Washer Fluid to B 040 1990 9985129 ACDelco 1051515 Optiklee
44、n Commercial Tar and Road Oil Cleaner (or equivalent) Sonax Tar Remover GM Vehicle Care 1050172 Tar and Road Oil Remover Commercial Chrome Cleaner and Polish (or equivalent) Sonax Chrome and Alupaste GM Vehicle Care 1050173 Chrome Cleaner and Polish Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
