Abstract
This standard provides guidance for evaluating and testing the color, chromatic aberration, gloss, metachromatic and other optical properties of optical powder coatings by visual and instrumental means. Visual evaluation of optical properties shall include visual gloss test methods, Munsell color sequence systems, and ASTM test standards indicated in the specification. Instrumental evaluation of optical properties shall include specular gloss testing, filter photometry, reflected haze, fluorescence, and ASTM test standards indicated in the specification.

ASTM D5382-02-2017 Standard Guide for Evaluation of Optical Properties of Powder Coatings

Scope of
1.1 This standard provides the user with a guide to the various practices and test methods available for evaluating color, chromatic aberration, gloss and metachromography by visual and instrumental means.

1.2 This standard is not intended to address all safety issues, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and to determine the applicability of regulatory restrictions prior to use.

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