Portland
cement
Portland
cement, binding material in the form of a finely ground powder, usually gray,
that is manufactured by burning and grinding a mixture of limestone and clay or
limestone and shale.
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 is a fine
powder produced by heating materials in a kiln to form what is called clinker,
grinding the clinker, and adding small amounts of other materials. Several
types of Portland cement are available with the most common being called
ordinary Portland cement (OPC) which is grey in color.
CEMENT STANDARD
- Quality of
Cement as per European standards (EN)
-
Certificate I -EN 197-1.2000- CEM I 52,5 N
-
Certificate II - En 197-1.2000 CEM I 42,5R
-
Certificate III - EN 197-1.2000 CEM II 42,5R
American standards (ASTM)
- ASTM C150
TYPE-1
- ASTM C1157
TYPE- GU
- ASTM C1157
TYPE- HE
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