A chemical compound called calcium carbonate is mainly found in rocks. With a chemical formula of CaCO3, this chemical compound is created with a reaction between calcium ions and carbonate ions. Calcium carbonate powder is used in pharmaceutical industry for making calcium supplement, and as active ingredient in agricultural lime. This white and bright powder in different particle sizes, from one to thee microns. Products in which calcium carbonate powder is used in many products, from cement, paint, paper, ceramic, coating to adhesive, sealant, pipe and plastic. This chemical compound is used as filler, extender and impact modifier. Based on customer requirement, it can be produced in different specifications.