Calcium carbonate is a fine chemical. It is supplied by Avra synthesis pvt. Ltd. Calcium carbonate is used in the form of antacid drugs. It is used in the construction sector as a component of cement or building material.At Avra Synthesis Pvt. Ltd. we have developed Calcium carbonate to ease your day-to-day challenges. It is manufactured and packed under a closed, controlled and an inert environment to prevent contamination, which offers you better stability, minimal interference during analysis and high level of accuracy in your analytical results.