Potassium alum, potash alum supplier Distributor Manufacturer in Visakhapatnam india

vizag Chemical is your company for quality chemicals from world-class suppliers Manufacturer of  Potassium alum, potash alum, or potassium aluminium sulfate  , to meet your formulation needs in visakhapatnam India.

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Potassium alum, potash alum, or potassium aluminium sulfate is a chemical compound: the double sulfate of potassium and aluminium, with chemical formula KAl(SO4)2. It is commonly encountered as the dodecahydrate, KAl(SO4)2·12H2O. It crystallizes in cubic structure with space group P a -3 and lattice parameter of 12.18 Å. The compound is the most important member of the generic class of compounds called alums, and is often called simply alum.

Uses

Culinary

Potassium alum may be an acidic ingredient of baking powder to provide a second leavening phase at high temperatures (although sodium alum is more commonly used for that purpose.

Flame retardant

Potassium alum is used as a fire retardant to render cloth, wood, and paper materials less flammable.

Dyeing

Alum has been used since antiquity as mordant to form a permanent bond between dye and natural textile fibers like wool. It is also used for this purpose in paper marbling.

Lake pigments

Aluminum hydroxide from ṕotassium alum serves as a base for the majority of lake pigments.

Dissolving iron and steel

Alum solution has the property of dissolving steels while not affecting aluminium or base metals. Alum solution can be used to dissolve steel tool bits that have become lodged in machined castings, for instance.

In traditional Japanese art, alum and animal glue were dissolved in water, forming a liquid known as dousa , and used as an undercoat for paper sizing.

Alum is an ingredient in some recipes for homemade modeling compounds intended for use by children. 

Potassium alum was formerly used as a hardener for photographic emulsions (films and papers), usually as part of the fixer. It has now been replaced in that use by other chemicals.