Portland cement is the most common type of cement in general use around the world as a basic ingredient of concrete, mortar, stucco, and non-specialty grout. It was developed from other types of and usually originates from limestone. It is a fine powder, produced by heating limestone and clay minerals in a kiln to form clinker, grinding the clinker, and adding 2 to 3 percent of gypsum. The most common, called ordinary Portland cement is grey in colour, but white Portland cement is also available. Its name is derived from its similarity to Portland stone which was quarried on the Isle of Portland in Dorset, England.
Portland cement is caustic, so it can cause chemical burns. The powder can cause irritation or, with severe exposure, lung cancer, and can contain some hazardous components, such as crystalline silica and hexavalent chromium. Concrete produced from Portland cement is one of the world's most versatile construction materials. Many construction formulas depends on using of gypsum powder. You can find many formulas at buyformula.net website that depends on using of cement.
Concrete admixtures and construction chemicals manufacturing process can be made easily using, economic regular raw materials and chemicals, just you need to buy the formulas online from www.buyformulas.com for producing and manufacturing admixtures and construction chemicals. These formulas are recommended for new projects, small business and for beginners. 
