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Significance and Use
This test method provides basic engineering data that may be used to determine the amount of VOC available for delivery at the inlet of a VOC control device (particularly for the automobile industry). Typically, the procedure is useful for establishing the quantity of VOC that is evolved from the coating in the baking oven and available to be incinerated, although the same procedure can be followed for other forms of VOC abatement (that is, carbon, adsorption, etc.).
This test method may be adaptable for use directly in a production environment if all the critical factors (for example, temperature, cleanliness, vibration, accessibility, etc.) can be adequately controlled.
The total amount of VOC removed from the process by the VOC control device is a function of the amount available as given by this test method combined with the VOC removal efficiency of the control device.
1.1 This test method covers the determination of the amount of volatile organic compound (VOC) released from applied solventborne automotive coatings that is available for delivery to a VOC control device. This is accomplished by measuring the weight loss of a freshly coated test panel subjected to solvent evaporation or baking in a laboratory simulation of the production process.
1.2 This test method is applicable to the VOC released from flashoff and baking operations after the paint has been applied.
1.3 This test method is applicable to solventborne automotive coating materials and is intended to represent or simulate the production process. The same general principles apply to waterborne coatings that contain volatile organic compounds (VOC), although specific procedural details are not presented herein to differentiate between VOC and water.
1.4 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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
B499 Test Method for Measurement of Coating Thicknesses by the Magnetic Method: Nonmagnetic Coatings on Magnetic Basis Metals
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
D1400 Test Method for Nondestructive Measurement of Dry Film Thickness of Nonconductive Coatings Applied to a Nonferrous Metal Base
D2369 Test Method for Volatile Content of Coatings
E145 Specification for Gravity-Convection and Forced-Ventilation Ovens
ICS Number Code 87.040 (Paints and varnishes)
UNSPSC Code 46181533(Protective coats)