Know Your Formulation (Part 3) – Water Dispersible Granules or Dry Flowable (DF)

Water-dispersible (WDG) and Dry Flowable (DF) pesticides are both dry formulations. Some of the first dry formulations available were wettable powders (WP), which are very similar. Although not water-soluble, these dry formulations, when mixed in water, can be made sprayable. Wettable powders had some drawbacks, though; the dust they produced when handled created an inhalation hazard, and they caked easily, making pouring difficult. As manufacturing technology became available, it became feasibl