If you think all plastic products come from primary plastics, you'are wrong. Today, to save it as well as ti reduce white pollution, people look for alternative solutions. Calcium Carbonate is one of them. To avoid the impact of coal or oil prices on production of plastics, manufacturers use CaCO3. They mix this powder,addictives and primary plastic when making filler masterbatch or compound. The purpose of this action is to make final products replace for using 100% primary plastics.