Used to size flats and backdrops. Preferred brand is Argo cornstarch. Comes powdered, is dissolved in cold water, then the slurry is added to a quantity of warm water before being applied with a brush or Hudson Sprayer.
In 1892, Argo corn starch is launched. The name, Argo, continues to be a source of much conjecture even to the present. It may have derived from the fact that customer price lists were printed in alphabetical order, and the name Argo would appear above then-competitor Kingsford's.