Potash alum powder, also known as potassium alum, is a type of alum that is commonly used in a variety of industrial and household applications. It is a white crystalline powder that is made by mixing aluminum sulfate with potassium sulfate.One of the primary uses of potash alum powder is as a mordant in textile dyeing. It helps to fix dyes to the fabric and improve their colorfastness. Potash alum powder is also used in the production of paper, where it helps to improve the strength and brightness of the paper.
In addition, potash alum powder is used as a flocculating agent in water treatment, where it helps to remove impurities and suspended solids from water by causing them to clump together and settle to the bottom of a container. It is also used in the manufacturing of some types of ceramics and as an ingredient in some types of baking powder.