ASTM D8599-25

1.1 This practice covers the use of a template for recording the results of exposure tests of paints.

1.2 This report form is primarily intended for the reporting of defects that are produced on painted substrates as a result of outdoor weathering exposure.

1.3 This report form may also be used to report results of exposure tests after laboratory accelerated exposure.

1.4 This practice officially documents the eleven point (ten-to-zero) scale for evaluations which has been widely used for many years to report both quantitative and qualitative effects.

1.5 Instrumentally obtained numbers may also be reported on this form. For example, instrumental gloss measurements can be entered in any of the columns as desired.

1.6 This practice is not intended for reporting the degradation effects on bare metals.

1.7 This practice may be applied both by individuals conducting their own evaluations and third-party testing laboratories.

1.8 Test laboratories may generate reports using their own software programs and including their own company logos provided that they comply with the minimum requirements of this practice.

1.9 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.10 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.