Portland cement is the most common type
of cement in general use around the world, used as a basic
ingredient of concrete, mortar, stucco, and most non-specialty
grout. It was developed from other types of hydraulic lime in
England in the mid *9th century and usually originates from
limestone. cement in general use around the world, used as a
basic ingredient of concrete, mortar, stucco, and most
non-speciality grout. It was developed from other types of
hydraulic lime in England in the mid *9th century and usually
originates from limestone.