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Significance and Use
Subject to the limitations listed in 1.3, these test methods can be used to optimize paint application processes.
1.1 These test methods cover the determination of the transfer efficiency of spray-applied coatings under general plant conditions. Transfer efficiency is the ratio of paint solids deposited to the total paint solids used during the application process, expressed as a percent.
1.2 The transfer efficiency is calculated from the weight or volume of the paint solids sprayed and that of the paint solids deposited on the painted part.
1.3 Limitations include the ability to accurately determine the amount of paint solids deposited on the part and the capability of accurate measurement of the amount of paint sprayed.
1.4 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
Note 1—These test methods apply to general plant production equipment and procedures. A method specific to automotive plants is defined in Test Method D5066.
Note 2—The relationship between volatile organic compound emission rates and transfer efficiency in automobile and light duty truck topcoat operations, EPA 450/3-88-01, referenced in Test Method D5066 does not apply to general production facilities.
Note 3—A single-point transfer efficiency measurement may not represent the entire process.
Note 4—The operator and the spray-application equipment-operating conditions during the transfer efficiency measurement should be representative of normal operating conditions.
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, and 10.3.1. Note 5—These test methods have not been adopted by federal regulatory agencies for demonstration of compliance with air pollution regulations such as VOC, HAPS, etc.
Note 5—These test methods have not been adopted by federal regulatory agencies for demonstration of compliance with air pollution regulations such as VOC, HAPS, etc.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D1005 Test Method for Measurement of Dry-Film Thickness of Organic Coatings Using Micrometers
D1186 Test Methods for Nondestructive Measurement of Dry Film Thickness of Nonmagnetic Coatings Applied to a Ferrous Base
D1200 Test Method for Viscosity by Ford Viscosity Cup
D1400 Test Method for Nondestructive Measurement of Dry Film Thickness of Nonconductive Coatings Applied to a Nonferrous Metal Base
D1475 Test Method For Density of Liquid Coatings, Inks, and Related Products
D2369 Test Method for Volatile Content of Coatings
D2697 Test Method for Volume Nonvolatile Matter in Clear or Pigmented Coatings
D3925 Practice for Sampling Liquid Paints and Related Pigmented Coatings
D5066 Test Method for Determination of the Transfer Efficiency Under Production Conditions for Spray Application of Automotive Paints--Weight Basis
ICS Number Code 87.040 (Paints and varnishes)
UNSPSC Code 31211507(Spray paints)