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Description of ASTM-D5327 2013ASTM D5327 - 97(2013)Standard Practice for Evaluating and Comparing Transfer Efficiency of Spray Applied Coatings Under General Laboratory ConditionsActive Standard ASTM D5327 | Developed by Subcommittee: D01.55 Book of Standards Volume: 06.02 ASTM D5327Significance and Use 5.1 Subject to the limitations listed in 1.3 , this practice can be used as a research tool to optimize spray equipment and paint formulations, as well as to study the relative effect on transfer efficiency of changing operating variables, spray application equipment, type of coatings, etc. 1. Scope 1.1 This practice covers the evaluation and comparison of the transfer efficiency of spray-applied coatings under general laboratory conditions. Transfer efficiency is the ratio of paint solids deposited to the total paint solids used during the application process, expressed as a percent. This practice can be used to study the effect on transfer efficiency of changing operating variables and paint formulations. Key variables that need to be controlled are listed in 8.13 .
Note 1 It is important that all process or formulation parameters, except that which is intentionally being
changed, be kept consistent from test to test. If not done, the results of the study are to be questioned.
1.2 The reproducibility of this practice is highly dependent on the degree of control of the parameters listed in Section 8 of the practice. 1.3 Limitations This laboratory practice indicates only the direction of the effect of operating variables and liquid paint formulations on transfer efficiency under conditions of the laboratory test: the magnitude of the effect can be determined only with specific plant experience. In fact, the nature of the critical parameters that affect transfer efficiency makes clear that it is not possible to extrapolate laboratory results.
Note 2 The laboratory practice outlined involves general laboratory spray equipment and procedures and is
derived from Test Method D5009 . This practice and Test Method D5009 are both derived from a study and report of transfer efficiency measurements conducted for the U.S. Environmental
Protection Agency. For laboratories that have access to a conveyor and mass flow measurement equipment, a suitable, potentially more reproducible, tested method is defined in Test Method
D5009 .
1.4 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only. 1.5 This standard does not purport to address all of the safety concerns, if any, 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. For specific hazard statements see Section 7 , Note 8 and Note 9 .
Other Standards NFPA86 Standard for Ovens and FurnacesASTM Standards D1200 Test Method for Viscosity by Ford Viscosity Cup D2369 Test Method for Volatile Content of Coatings D3925 Practice for Sampling Liquid Paints and Related Pigmented Coatings D5009 Test Method for Evaluating and Comparing Transfer Efficiency of Spray Applied Coatings Under Laboratory Conditions Keywords general laboratory method; laboratory practice; spray-applied coatings; transfer efficiency; ICS Code ICS Number Code 29.020 (Electrical engineering in general) DOI: 10.1520/D5327 ASTM International is a member of CrossRef. ASTM D5327This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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About ASTMASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized leader in the development and delivery of international voluntary consensus standards. Today, some 12,000 ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. ASTM’s leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world’s top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM’s advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide. |
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