What are the different types of cement? Civil Query
17/07/2020#0183;#32;Generally, there are two different types of cement available in the market, they are OPC amp; PPC. OPC cement is also known as Ordinary Portland Cement. OPC cement comes in 3 grades, they are 33, 43, amp; 53 grade cement. But why it is known as Portland Cement? It is just because this cement was invented in Portland which is in England. It was invented by Sir Joseph Aspdin in 1824. When