This standard specifies a method for determining the flow characteristics of thermosetting powder coatings on inclined planes. The flowability of the powder is assessed by testing the flowability of the powder on an inclined plane at a specified angle, and the degree of flow during curing. This test helps to understand the surface Appearance and conformity of powder coatings. Test results are affected by air flow, inclination angle and particle changes, and reproducibility between laboratories may be poor. SI units are standard units, and the values in parentheses are for reference only.