Blast Furnace Slagt Cement,CEM III/B(S) 42,5N
Granulated Blast Furnace Slag
Granulated Blast Furnace Slag (GBFS) is one of the waste material groups obtained from various metallurgy plants. In production of raw iron, blast furnace slag remains above raw iron due to having less weight and iron ore gangue is composed at a temperature between 1,400 to 1,600 °C after burning of coke and limestone. It is used as an additive component in ready-mix concrete, in production of type CEM III Slag cement or other types of blended cement. It is produced in conformity with the standard TS EN 15167-1.
In construction works such as coast and harbour constructions, offshore structures, waste water plants, etc. requiring resistance against chemical attacks as well as dams, reinforced concrete underground water pipes, tunnel linings, in constructions for general purpose and in mass concrete requiring low heat of hydration.
This product is a type of blended cement obtained by grinding portland cement clinker with a little amount of limestone as a mineral additive and a setting regulating agent. It can be used in areas where portland cement is used. As it contains additives, its heat of hydration is lower in comparison with portland cement. Type CEM II/B-M (S-P) 42,5R product is included in the cement class with high early strength. Its composition contains granulated blast furnace slag and pozzolana. Similarly, the composition of type CEM II/B-M (S-P-Q) 42,5N product contains two different types of pozzolana and granulated blast furnace slag. While pozzolana increases early strength, granulated blast furnace slag enhances strength at later ages. It also increases resistance of concrete against external impacts in aggressive environments containing chemicals such as sulfate, chloride, etc.
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