Limestone

Limestone We mine chemical grade Limestone of Rajasthan belt, having the following typical analysis: Limestone CaCO3 96.00% MgO 1.20% Fe2O3 & Al 2O3 0.2% Silica(max.) 2.00% Others 0.6% QUALITY ASSURANCE The hallmark of Sigma minerals Limited is quality and is an essential component of group's overall plolicy. We are committed for quallity at every level of our dealing. We aim to offer our clients quality products and services and ensure that we exceed their satisfaction limits on using our products. All our plants are ISO 9001 & ISO 14001 certified and all of our products are checked at each stage through individual laboratories at respective plants. The Controlling is done by a central laboratory at our head office. Implementation of this policy requires active participation by our entire staff. With this aim in mind, we have committed ourselves toPutting in place the necessary system to monitor the performance closely.Listening to what our customers have to say and making sure that information about quality gets through. Motivating and making every member of the staff aware that quality is the top prioirty in his or her daily work.We wish and aim to maintain full confidence of our customers.