Profile: Sigma Minerals Ltd. is engaged in the field of producing Hydrated Lime and Quick Lime. We offer high grade Hydrated Lime, Lime Stone and Quick Lime (High Grade calcium hydroxide & Calcium Oxide) with production capacity of 350 M.T. We are accredited with ISO-9001 and ISO-14001 certifications.

Quick Lime is used as a flux in Steel Plants, Metallurgical Plants and Refractories thus making it integral to metal manufacture. In paper industry, it is used as coagulant, Quick Lime aids in manufacture of sheet with grass and waste paper. Hydrated Lime is used for bleaching the same. It is also used in the manufacturing of number of chemicals that include Bleaching Powder, Di calcium phosphate and Propionate Calcium Citrate. It is also used in pharmaceutical industries.

In water treatment, the Lime is extensively used for both drinking water treatment and wastewater treatment. Nearly all Municipal Corporation or industrial wastewater treatments plants, quick lime and hydrated lime help correct the PH for further treatment, especially in case of industrial sludge. They neutralize acidic wastes, remove or immobilize contaminants such as sulphites, sulphite sludge and petrochemical wastes. Quick lime and Hydrated lime are commonly used for treatment of drinking water. Serves industries such as manufacturing, public utilities and infrastructure. A cleaning agent in he leather manufacture process, lime is used to remove raw skin and thus obtain clean leather.