CEMENT

CEM III A 42,5 N-LH

CEMENT TYPE Blast Furnace Cement - CEM III / A 42,5 N-LH

MAIN CHARACTERISTICLow heat of hydration and resistance in strong aggressive

environments including the sulfate low heat of hydration

CEMENT USAGEAccording SR EN 206/1-2002, SR 13510/2006, CP 012/1-2007

and UTCB technical researches.

Civil and industrial structures:Simple or reinforced concrete with class between C12/15 and C35/45

used in civil, industrial, and social construction works elements,

placed monolithically, exposed to aggressive and very aggressive

environments

Roads, bridges and tunnels: Road works in seaside area, sea environment or other aggressive

or very aggressive environments. Platforms in high aggressive

enviroments.

Precast elements Precast elements with concrete class between C16/20 and C40/50

exposed even to aggressive environment.

Hydro technical ConstructionsHydro technical works with simple or reinforced concrete, maximum

concrete class BcH45. Hydro technical constructions: water gates,

dams, channels, galleries and tunnels. Hydropower plants.

Dry mortars, polystyrene and ceramic tile adhesives

Cement for Concrete efficient in aggressive environments

CHARACTERISTIC VALUE ACCORDING

COMPOSITION

Portland clinker (%) 3564 SR EN 197-1

Hydraulic admixture- blast furnace slag (%) 3665 SR EN 197-1

Minor components (%) 05 SR EN 197-1

CHEMICAL CHARACTERISTICS

Sulfates (as SO3%) 3,5 SR EN 196-2

Clorides (%) 0,1 SR EN 196-2

Insoluble residue (%) 5 SR EN 196-2

Loss on ignition (%) 5 SR EN 196-2

MECHANICAL AND PHYSIHICAL CHARACTERISTICS

Initial setting time ( min) 60 SR EN 196-3

Soundness ( mm) 10 SR EN 196-3

Heat of hydration ( J/g) on 7 days 270 SR EN 196-8

Compresive strenght 2 days (MPa) 10 SR EN 196-1

Compresive strenght la 28 days (MPa) 42,5 62,5 SR EN 196-1

CONCRETE CLASSESConcrete classes recommended to be designed with this cement:

C8/10, C12/15, C16/20, C20/25, C25/30, C30/37, C35/45, C40/50

Hydro technical concrete:

BcH10, BcH15, BcH20, BcH25, BcH30, BcH 37, BcH 45

SHELF LIFE

60 days from delivery date, respecting transport and storage

conditions according in force norms.

DELIVERY

Bulk in cement trucks or rail carriages.

CERTIFICATION

The product is EC certified according SR EN 197-1:2002 and

SR EN 197-1 A1/2004

RECOMMENDATIONS

Have to be respected the W/C ratio according to CP 012-1: 2007

Have to meet the requirements for transport, casting, compacting,

treatment (curing and protection) and concrete demoulding

Do not pour concrete below temperatures of 5C without antifreeze

admixes

ENVIRONMENTAL EXPOSURE CLASSES

The cement can be used in following exposure classes according

CP 012/1 - 2007 and UTCB technical researches: X0, XC1XC4,

XD1XD3, XS1XS3, XF1 XF4, XM1XM3, XA1 XA3 including

high sulfate aggressive environments.

STANDARD

SR EN 197/1 - 2002 CEMENT Part 1

Composition, specifications and conformity criteria for common

cements; SR EN 197-1 A1/2004 Common cements with low heat of

hydration

CEMENT CHARACTERISTICS

LAFARGE CIMENT (ROMANIA) SA20 Modrogan street, Bucharest, 1st district,Phone: +40 21 307 52 00 Fax: +40 21 312 09 45www.lafarge.ro