Ordinary Portland cement (Grey):

Type I as per GSO 1914/2009 standard.

CEM I 42,5 N  as per EN 197-1 :2011 standard

Gray Portland cement is used in normal applications, where it is suitable for all uses that do not require certain properties as available in other species. This type of cement is used in concrete, and applications that are not exposed to factors such as sulfur penetration in the soil or water, or the accidental rise in temperature resulting from cement ablution. The construction includes pavements, floors, concrete buildings, bridges, railway structures, warehouses, tanks, water pipes and construction units.