Amoot Iranian International Trading Company

Cement is known as the world’s most important building material, replacing all other substances like clay and lime. Cement is dry powder and should not be confused with concretes or mortars. However cement is an important constituent of both of these materials, acting as ‘glue’ which gives strength to structures. Some construction trade items that include cement are as follow: plain cement concrete, reinforced cement concrete, mortar, plaster, grouts, paints and in pre-cast elements. Why cement is highly consumed and accepted universally as the world’s most significant building material? The answer is explained bellow:

• Cement is several times stronger than lime and clay.
• If it is stored properly in ordinary atmosphere, it does not deteriorate for a long time (at least 3~4 month).
• When cement is mixed with water, begins setting fast and gets sufficient strength in a day or two, but other binding materials require much longer time. Hence cement boosts the speed of construction.
• Cement strongly withstands compressive pressures well. Where tension appears, cement can give good bond to steel reinforcement and transfers the surplus pressures to steel.
• Cement can be manufactured in large volumes in controlled condition, packed and transported.
• Cement is made from some materials like limestone, hematite, bauxite, clay and etc. which are abundantly available in the upper crust of the earth.
• Cement imparts durability and stability to other building elements.
• Cement is comparatively a cheaper and more affordable substance.
• Cement can be mixed and applied at will with locally available materials at site.

Amoot Iranian Trading Company had started its business as a mineral and chemical supplier, exporting iron ore, sulphur fertilizer and urea fertilizer to various countries. Amoot’s next step was in agro industry, supplying fresh and dried fruits, especially Mazafati date of Iran for international buyers.

Amoot successful background, its customer oriented style and the valuable experience in mineral, chemical and agro industries have appreciated us to strongly expand the scope of Amoot activities in order to meet different customers’ requirements as best as possible, hence we have developed our business and added the world’s most important building material, cement, to our product list.

We have given new strength to the construction industry and helped the infrastructure development by supplying high quality Iran cement. “Amoot” name is shining as an experienced trading firm, dealing as an iron ore, urea, sulphur and date supplier as well as cement and clinker supplier. We are inviting all potential customers who are searching for a trustworthy cement supplier and clinker supplier to call or message our experts for any further details.

Iran cement and Iran clinker are welcomed by international purchasers and on 2018 Iran cement exports trended up 10.2 pct. in 7 months (March 21-Oct. 22). More than 7.65 million tons of Iran cement and Iran clinker had been exported in seven months. Amoot Iranian Trading Company as a reputable cement supplier and clinker supplier is eagerly ready to combine the highest quality of Iran cement and clinker with the best price for any buyer searching an experienced famous cement and clinker supplier in Iran.

 

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The USGS report which was published in February 2019 demonstrated the global superior cement manufacturers as follow:

1. China: 2.37 billion tons
2. India: 290 million tons
3. USA: 88.5 million tons
4. Turkey: 84 million tons
5. Vietnam: 80 million tons
6. Indonesia: 67 million tons
7. South Korea: 56 million tons
8. Japan: 55.5 million tons
9. Russia and Egypt each one: 55 million tons
10. Iran: 53 million tons
11. Brazil: 52 million tons
12. Saudi Arabia: 45 million tons

Other countries totally produced around 756 million tons of cement in 2018. It is significant to note that the overall cement output amounted to 4.1 billion tons in 2018 that has grown 1.23% year on year, based on Financial Tribune.

The capacity of Iran for clinker manufacture remained at 80 million tons last year, with no change in comparison to 2017. It is worth noting that Iran had the sixth largest clinker output capacity worldwide, sharing the spot with Russia. China, India, USA, Vietnam and Turkey respectively were the top five countries having the largest clinker production capacity in 2018.

Iranian Mines and Mining Industries Development and Renovation Organization reported that Iran exported 12.65 million tons of cement during the 11 months to February 2019. Iran"s first export destination of cement is Afghanistan. Other importers of Iran cement include Iraq, Bangladesh, members of the Commonwealth of Independent States, and some African countries.

According to the secretary of Iran’s Cement Association, Iran has the capacity to manufacture 87.5 million tons of cement chain products annually. Iran sets a goal to gain its cement output capacity to 100 million tons annually by 2021 and to further increase it to 120 million tons per year by the end of 2025.

Amoot Iranian Trading Company has a prominent role in supply of Iran cement and clinker to various buyers worldwide. Amoot goal is to provide the highest quality of cement as well as best price for global clients in order to retain its high rank among cement suppliers of Iran.  To get more information regarding cement and clinker, please call our experts at Amoot Iranian Trading Company

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Cement

Cement is a binder substance used for constructions which sets, hardens, and adheres materials to be bound together. Although it is used individually, it is rather the substance which binds sand and gravel together. If mixed with fine aggregate, a mortar for masonry will be produced and by mixing it with sand and gravel, concrete will be produced.

The Cements used in construction are usually inorganic, mostly with lime or calcium silicate base and depending on its ability to set in presence of water may be characterized as hydraulic or non-hydraulic.

Hydraulic cements (such as Portland cement) set and become adhesive due to a chemical reaction between the dry ingredients and water. The chemical reaction results in mineral hydrates that are not very water-soluble and so are quite durable in water and safe from chemical attack. This allows to be set in wet conditions or under water and further protects the hardened material from chemical attack. The chemical process for hydraulic cement was found by ancient Romans used volcanic ash (pozzolana) with added lime (calcium oxide).

Non-hydraulic cement, such as slaked lime (calcium oxide mixed with water), hardens by carbonation in the presence of carbon dioxide, naturally present in the air. First calcium oxide (lime) is produced from calcium carbonate (limestone or chalk) by calcination at temperatures above 825 °C for about 10 hours at atmospheric pressure:

CaCO3 → CaO + CO2

The calcium oxide is then spent mixing it with water to make slaked lime (calcium hydroxide):

CaO + H2O → Ca(OH)2

Once the excess water is completely evaporated (this process is technically called setting), the carbonation starts:

Ca(OH)2 + CO2 → CaCO3 + H2O

This reaction is time consuming, because the partial pressure of carbon dioxide in the air is low. The carbonation reaction requires that the dry cement be exposed to air, so the slaked lime is a non-hydraulic cement and cannot be used under water. This process is called the lime cycle.

Conversely, hydraulic cement hardens by hydration when water is added. Hydraulic cements (such as Portland cement) are made of a mixture of silicates and oxides, the four main components being:

Belite (2CaO·SiO2); Alite (3CaO·SiO2); Tricalcium aluminate (3CaO·Al2O3); Brownmillerite (4CaO·Al2O3·Fe2O3).

The silicates are responsible for the cement"s mechanical properties—the tri-calcium aluminate and brown millerite are essential for formation of the liquid phase during the kiln sintering (firing).

Types of Portland cement

The ASTM has designated five types of Portland cement, designated Types I-V.  Physically and chemically, these cement types differ primarily in their content of C3A and in their fineness.  In terms of performance, they differ primarily in the rate of early hydration and in their ability to resist sulfate attack.  The general characteristics of these types are listed in Table below.

General features of the main types of Portland cement.

	Classification	Characteristics	Applications
Type I	General purpose	Fairly high C3S content for good early strength development	General construction (most buildings, bridges, pavements, precast units, etc.)
Type II	Moderate sulfate resistance	Low C3A content (<8%)	Structures exposed to soil or water containing sulfate ions
Type III	High early strength	Ground more finely, may have slightly more C3S	Rapid construction, cold weather concreting
Type IV	Low heat of hydration (slow reacting)	Low content of C3S (<50%) and C3A	Massive structures such as dams.  Now rare.
Type V	High sulfate resistance	Very low C3A content (<5%)	Structures exposed to high levels of sulfate ions
White	White color	No C4AF, low MgO	Decorative (otherwise has properties similar to Type I)

 

 

 

The differences between these cement types are rather subtle.  All five types contain about 75wt% calcium silicate minerals, and the properties of mature concretes made with all five are quite similar.  Thus these five types are often described by the term “ordinary Portland cement”, or OPC.

Types II and V OPC are designed to be resistant to sulfate attack.  This is an important phenomenon which may cause severe damage to concrete structures, a chemical reaction between the hydration products of C₃A and sulfate ions that enter the concrete from the outside environment.  This reaction’s products have a larger volume than the reactants, and this creates stresses that force the concrete to expand and crack.  Although hydration products of C₄AF are similar to those of C₃A, they are less vulnerable to expansion, so the designations for Type II and Type V cement focus on keeping the C₃A content low.  There is actually little difference between a Type I and Type II cement, hence it is common to see cements meeting both designations labeled as “Type I/II”.

Type III cement is designed to develop early strength more quickly than a Type I cement.  This is useful for maintaining a rapid pace of construction, since it allows cast-in-place concrete to bear loads sooner and it reduces the time that precast concrete elements must remain in their forms.  These advantages are particularly important in cold weather, which significantly reduces the rate of hydration (and thus strength gain) of all Portland cements.  The downsides of rapid-reacting cements are a shorter period of workability, greater heat of hydration, and a slightly lower ultimate strength.

Type IV cement is designed to release heat more slowly than a Type I cement, meaning of course that it also gains strength more slowly.  A slower rate of heat release limits the increase in the core temperature of a concrete element.  The maximum temperature scales with the size of the structure, and Type III concrete was developed because of the problem of excessive temperature rise in the interior of very large concrete structures such as dams.  Type IV cement is rarely used today, because similar properties can be obtained by using a blended cement.

White Portland cement (WPC) is made with raw ingredients that are low in iron and magnesium, the elements that give cement its grey color.  These elements contribute essentially nothing to the properties of cement paste, so white Portland cement actually has quite good properties.  It tends to be significantly more expensive than OPC, however, so it is typically confined to architectural applications.  WPC is sometimes used for basic cements research because the lack of iron improves the resolution of nuclear magnetic resonance (NMR) measurements.

Amoot Iranian Trading company mainly supplies Portland Cement - Type I and II and more specifically M500 cement- of great quality to CIS and other neighbor countries and global buyers from India, Pakistan, Afghanistan, Africa and etc

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Cement as a water-based binder is applied to bind other building materials together which is consumed in the production of mortar and concrete during the construction process. Its ability to hold the structure together made cement an important inseparable substance in construction industry, attracting many countries to invest on cement production.

The top cement producers by country from 2014 to 2018 (in million metric tons) are shown in the bellow table and chart:

As seen on the pictures, China is largest cement producer of the world, producing over 2000 million metric tons of cement per year from 2014 to 2018. All other top cement producers are manufacturing less than 300 million metric tons of cement per year including India, USA, Turk  

Vietnam, Indonesia, South Korea, Japan, Russia, Egypt, Iran and Brazil respectively

ypes of cementIran is the 11^th country in cement output from 2014 to 2018. In 2014 and 2015, Iran produced 65 million metric tons of cement each year. Then on 2016 it decreased to 53 million metric tons which improved to 54 on 2017 and last year Iran manufactured 53 million metric tons of cemen

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Cement and clinker are different construction materials. Cement is a powder used as a binding material in building and construction but clinker is mainly applied in cement production. Some of the main differences between cement and clicker are mentioned bellow:

Amoot Iranian Trading Company is an active prosperous cement supplier as well as clinker supplier, ready to export Iran cement and clinker to many countries including Uzbekistan, Turkmenistan, Tajikistan,  Armenia, Azerbaijan, Georgia, Kazakhstan, Kyrgyzstan, Pakistan and etc. If you are 

searching for a reliable clinker and cement supplier, do not hesitate and call our experts for further information.

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