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Sagging Tester is considered a defect in paint, especially in the vertical, edge, and corner areas of the workpiece.The most commonly used terms, such as streaks or tears, vividly describe this defective appearance.

 

Produce 10 stripes of various coating thicknesses using a flow coating.Immediately after coating, place the test panel in a vertical position, with the thinnest coating stripe placed above and avoiding vibration.The merging of stripes depends on the tendency of the flow.It is very difficult to reproduce the results of the experiment.It is very important to ensure the following conditions in the experiment: a stable climate environment, uniformity of the coating, and setting the evaluation time.

 

GB/T 9264；ISO 16862

ASTM D 4400 D 3730

 

 

Sagging Tester,Instructions