Middle East clay market

What is clay and how is it produced?

Clay soil is a term that refers to sedimentary rocks containing a significant amount of clay minerals, such as rock. Iran is one of the special regions of the world that has many resources; The export capacity of clay from the waters of Chabahar port to Pakistan shows that Iran has the richest resources.

Clay is formed from the long-term erosion of minerals and contains large amounts of silicon and aluminum in its composition. This soil is formed from the weathering of rocks such as granite and feldspar, it has very small grains that create high adhesion when combined with water. The structural components of this soil consist of four layers and include different types such as kaolinite and refractory soil, normal clay or bentonite clay. Clay has many applications in plant breeding, steel industry, medicine and especially construction.

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Types of clay

Clay has different chemicals. Among the practical building materials for building a building, which has high sales in major distribution centers of building materials, we can mention soil. The type of soil, according to its distinguishing feature, or the grain size, is also placed in different sizes. The sizes available for soil, in relation to its grain, have created a huge transformation for soil structure.

1. Kaolinite and refractory
2. Ordinary clay
3. Retardant
4. Calcareous
5. Red
6. Bentonite
7. bullet
8. Sedimentary

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What are the uses of clay?

Clay is used all over the world as a raw material for building materials. From the use of clay in the construction industry, we can mention the production of bricks. The clay used for making bricks should be such that its mixture with water has the properties of plasticity, the ability to be molded and molded, and it has the necessary tensile strength to maintain its shape after molding, and its particles can fuse to each other at high temperature.

The stickiness of clay makes it hold more water than other soils. Clay is formed from the erosion of rocks such as igneous and metamorphic rocks such as feldspars, granites, etc.

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Advantages and disadvantages of clay

Clay soils create unique problems, one of which is erosion. These types of soils are easily eroded even in low slope lands. This is because water does not pass through the Clay layer quickly, which can lead to surface erosion. Spring erosion is often more severe after plowing fields. But Clay soils often require this plowing to prevent the soil from being too wet.

Farmers on Clay soils probably need less potassium than is usually recommended. This is because Clay soils are inherently rich in potassium. This is especially true where the Clay layer is closer to the soil surface. On the other hand, it seems that these areas with shallow Clay require more phosphorus than deep soils. Because phosphorus sticks to the acidic layer of clay.