A dry commercial compound to be mixed with water for pickling iron and steel prior to enameling. Sold in 2 1/2lb can that makes 1 gallon.
650 Colfax Ave, Bellevue, KY 41073
Thompson Enamel has been a manufacturer of vitreous enamel for metal for over 119 years. Thompson Enamel currently manufactures glass products for many different kinds of applications. Included in its product line are enamels for both metals and glass.