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Types of Alum Potassium Alum: Potassium alum is also known as potash alum or tawas.It is aluminum potassium sulfate. This is the type of alum that you find in the grocery store for pickling and in baking powder. It is also used in leather tannin
Uses & Benefits Household Uses Methylene chloride is a solvent found in paint and varnish strippers that are used to remove paint or varnish coatings from a variety of surfaces. It is also used in bathtub refinishing. The U.S. Environmental
