Portland cement is a finally ground material. It therefore readily absorbs moisture even from the atmosphere. It is essential to protect it from dampness during storage. Lack of proper care may cause setting of cement or reduction in its strength due to partial setting.

Cement can be defined as the bonding material having cohesive & adhesive properties which makes it capable to unite the different construction materials and form the compacted assembly. Ordinary/Normal Portland cement is one of the most widely used types of Portland cement.