Portland pozzolanic cement

The cement is produced by grinding a mixture of additives (pozzolana) prescribed by standards (max. 20) with Portland cement clinker by addition of a certain amount of retarder (gypsum) and sets and gains strength after a certain time being mixed with water.

Generally the product can be used in all places where portland cement is applicable. Hydration temperature is relatively lower than portland cement. It is appropriate to use in concrete works performed in aggresive areas where the content of sulphate or chloride ion is high.

Physical properties


	Analysis	Standard	Unit

Initial Setting Time	157	min. 60	Minute

Final Setting Time	185	--	Minute

Increase in volume	1	max. 10	cm

Specific Surface (Blaine)	4450	--	cm²/g

Bulk Density	890	--	g/l

2 Days Strength	25	min. 20	N/mm²

28 Days Strength	55	min./max. 42.5/62.5	N/mm²

Chemical properties


	Analysis	Standard	Unit

SO3	3.4	max 3.5	%

MgO	1.0	max. 5	%

SEMI FINISHED PRODUCTS

	Portland cement clinker
	Sulphate-resistant clinker
	Special type clinker
	Fly ash

CEM I

	Portland cement (OPC) 42.5-R
	Portland cement (OPC) 52.5-N
	Sulfate-resistant cement 42.5-R
	White portland cement 52.5-R

CEM II

	Composite cement A-M 42.5-R
	Composite cement B-M 32.5-R
	Composite cement B-M 42.5-N
	Fly ash cement B-V 32.5
	Slugged cement B-S 42.5-R
	Trass cement B-P 32.5-R

CEM III

Blast furnace slag cement

CEM IV

Pozzolanic cement B A-M 32.5-N

CEM V

Composite cement A 32.5-R

OTHER TYPES OF CEMENT

	Additive cement
	High early strength cement
	Portland limestone cement
	Portland silica fume cement
	Pozzolanic cement
	Plaster cement