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Cement
Mixed Cement
Portland pozzolan cement Shomal cement

Portland pozzolan cement Shomal cement

Shomal cement
Iran

In addition to general use, this type of cement is also used in bulk structures because it has less hydration heat than cements type I and II and the most important characteristic of this cement is its higher chemical resistance and in environments where sulfate and Chlorine is recommended for this type of cement.
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Portland pozzolan cement Shomal cement

Pozzolans are siliceous or aluminate silicates that are not self-adhesive, but are powdered together with moisture to form lime and form calcium silicate compounds that have adhesion properties. In the preparation of Portland pozzolanic cements, they add a certain percentage of pozzolanic materials to Portland cement and provide new properties with the resulting cement. One of the most important properties of these cements is their resistance to sulfate attack. The hydration heat of Portland Pozzolanic is much lower than that of conventional Portland cements and is therefore used in bulk concreting such as barriers. But in winter, where there is a risk of frost, they should not be used. Also, their strength is less than a year before ordinary cements, so Portland Pozzolanic cements cannot be used in areas that require rapid resistance. Durability and durability of concrete made with pozzolanic cement in corrosive environments and saline waters is higher than conventional cements and the degree of hydration heat of this type of cement is lower than conventional cements.

Two-day flexural strength

SiO2 (%)
25
Al2O3 (%)
5.1
Fe2O3 (%)
3.7
CaO (%)
60
MgO (%)
1.1
SO3 (%)
2.5
LOI (%)
1.5
Na2O (%)
0.4
K2O (%)
0.85
Type
پوزولانی

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