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Bentonite is also used as a binding agent in the production of iron ore pellets, as well as in the production of cement and concrete. It can improve the strength and durability of these materials. In the cosmetic industry, bentonite is often used in face masks and other skincare products due to its ability to absorb oils and impurities from the skin. It is also used in toothpaste as a natural polishing agent. Bentonite has many other applications as well, such as in the treatment of wastewater, the purification of vegetable oils, and the production of cat litter. It is a versatile and useful material that has many important industrial and commercial uses.

 In construction industry Bentonite is used as a waterproofing material in the construction industry. It can be used to seal and waterproof foundations, basements, and other structures.  Bentonite is  also used as an animal feed supplement to bind mycotoxins in feed and as a soil amendment to improve soil structure, water holding capacity, and nutrient retention. In Pharmaceutical industry, Bentonite is used as a binding agent in tablets and capsules, as well as in the production of suspensions and emulsions.

Benzene is a colorless liquid with a sweet odor. It evaporates into the air very quickly and dissolves slightly in water. Because it contains only carbon and hydrogen atoms, benzene is classed as a hydrocarbon.

Benzene is a natural constituent of petroleum and is one of the elementary petrochemicals. Due to the cyclic continuous pi bonds between the carbon atoms, benzene is classed as an aromatic hydrocarbon. Benzene is a colorless and highly flammable liquid with a sweet smell, and is partially responsible for the aroma of gasoline.

Many important chemical compounds are derived from benzene by replacing one or more of its hydrogen atoms with another functional group. Examples of simple benzene derivatives are phenol, toluene, and aniline. Linking benzene rings gives biphenyl, C6H5–C6H5. Further loss of hydrogen gives “fused” aromatic hydrocarbons, such as naphthalene, anthracene, phenanthrene, and pyrene.

Bitumen is classified in 5 categories as below:

Penetration Grade Bitumen: These grades of bitumen are classified due to their level of hardness. Penetration grades of bitumen are bitumen 30/40, 60/70, 80/100, and 100/120. To identify various grades of penetration bitumen, we enter a standard needle into our sample and see how deep it can go within a given time.

Viscosity Grade Bitumen: These types of bitumen are the result of a highly accurate system of classifying bitumen. After producing bitumen, we test them and measure their level of viscosity. This testing system introduces four VG grades, including VG10, VG20, VG30, and VG40. The higher the number, the harder the bitumen in the viscosity grading system.

Cutback Bitumen: Cutback bitumen is produced by adding solvents to bitumen, in order to decrease the viscosity level. This procedure involves the addition of controlled amounts of petroleum extracts such as kerosene, naphtha, diesel oil, and furnace oil to bitumen. Cutback bitumen doesn’t need heating.

The ideal climate of northern Iran creates optimal conditions for tea cultivation, resulting in some of the purest, most natural tea brands in the Persian realm and worldwide.

Iranian Tea, often called “chai” in Farsi, is predominantly black Tea that varies in flavor, strength, and aroma depending on its origin, preparation, and additives. Here are some types of Iranian teas based on various factors :

By Region:

1. Lahijan Tea – Grown in the Gilan Province, this is one of Iran’s most famous tea types.
2. Rasht Tea – Another variety from the Gilan Province, it’s known for its robust flavor.

By shape :

Sargol Tea : the most new grown leaves

Galami : Ghalami  tea always has a better aroma and taste than broken tea

Broken : The leaves of the upper part of the tea plant are generally used to make broken tea.

Gunpowder : Gunpowder tea is made from tea crumbs , with high flavor and nice color