2015/06/17
10:17
Archaeological discoveries and research conducted on ancient ruins and the work of historians indicate that the Romans were the first who found value in the application of cement. From 2600 BC to the middle of 18th century, in addition to clay and chalk, an adhesive material known as burnt lime was created synthetically by heating limestone (calcium oxide) and mixing it with water; this was converted into lime bloom, which in turn was converted into lime powder