Wa­ter Bead­ing Test

In the water beading test water droplets are applied to the surface of a substrate. The more greasy or oily this is, the more pronounced the beading. Clear droplet formation is an indication of an unclean surface (see illustration).

smallRetina 04:57:32 mediumAlias 04:57:32 large 04:57:32 xlarge 04:57:32