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Basic Materials
Cement
Portland Cement
Portland cement 1-325 Firuzkuh cement

Portland cement 1-325 Firuzkuh cement

Firuzkuh cement
Iran

Characteristics of this type of cement include relatively high initial strength and rapid growth, which is of general use and is selected for specific applications with regard to the cement properties. Cement 1-325 often meets the specifications of type 2 (with the exception of sulfate ion resistance and hydration heat). It is not recommended to use this type of cement in cases where it requires special properties of other cements, especially in corrosive environments containing aggressive ions.
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Portland cement 1-325 Firuzkuh cement

Cement is a hydraulic binder, in other words, cement is an inorganic powder material, which when mixed with paste water, is absorbed during hydration reactions and processes and even hardened, strengthened and stable even after hardening. Preserves in water. One of the most important synthetic hydraulic cements is Portland cement.

One of the most important synthetic hydraulic cements is Portland cement. Portland cement is a by-product of mixing limestone and clay by a weight ratio of about 3: 1 to 4: 1 (depending on their chemical composition), grinding the mixture in wet or dry ways, homogenizing raw materials, cooking materials In the furnace up to the border of sweating the grains surface and gluing them together in the form of welding or clinker, cooling and grinding the clinker with a bit of gypsum is achieved.

This type of cement is used in all reinforced and non-reinforced concrete structures, bridges, water tanks, concrete silos, masonry mortars, flooring and ordinary concrete components.

Two-day flexural strength

SiO2 (%)
20.6
Al2O3 (%)
4.83
Fe2O3 (%)
3.35
CaO (%)
63.54
MgO (%)
2.2
SO3 (%)
2.41
LOI (%)
2.1
IR (%)
0.46
Free CaO (%)
1.5
C3A (%)
4.19
C2S (%)
15.83
C3S (%)
55.9
C4AF (%)
10.07
Na2O (%)
0.32
K2O (%)
0.52
C3S + C3A (%)
24.79
Type
Portland Type 1

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