Complementary to its reactivity toward acids, KOH assaults oxides. Hence, SiO2 is attacked by KOH to present soluble potassium silicates. KOH reacts with carbon dioxide to provide potassium bicarbonate: It is applied using a torch and paint brush whilst donning the conventional protection devices used for any patina application: rubber https://devininonk.bloggazzo.com/29744980/the-best-side-of-how-much-is-cyanide