After cement and water become semi-fluid plasticity, when after a period of time Taihang Cement grout gradually lose plasticity, and maintain the original shape, a phenomenon called condensation (into the initial set and final set). Then enter the hardening period, the strength of cement increased. Construction of cement setting time required a certain range. If condensation too fast, concrete soon lose mobility, thus affecting the vibration; on the contrary, if condensation is too slow, it will affect the speed of construction. Therefore cement, cement standard initial setting time and final setting time should be within a certain range. Concrete, referred to as "concrete (tóng)": refers collectively aggregate cementitious material cemented into the overall engineering composites. The term refers usually talk about concrete with cement as a binding material cement stocks, sand and stone as aggregate; and water (with or without additives and admixtures) with a certain proportion, by mixing, molding, conservation and resulting cement concrete, also known as ordinary concrete, it is widely used in civil engineering. Cement mill, cement Shiyan, Wuhan cement provided by the Hongshan District of Wuhan pavilion cement operation. Hongshan District of Wuhan pavilion cement business unit (www.whltsn.com) (www.hbltsn.com) strong, credible, in Wuhan of cement and related products industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Wuhan cement into the brilliant and you work for a better future!