Calcium grease is general purpose lubricant grease, its used for general industrial application. Most of calcium greases are made from tallow and other materials by using heat ranges from 120 to 170.  This kind of grease can be made from base oils and other chemcials without using heat, tallow prime, and this grease have good water resistance, and moderate temperature resistance. Buyformula website will teach you the best method for making multipurpose calcium grease with economic raw materials. Formula are available in PDF format file, that described in technical English language.