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Diesel is one of the petrochemicals that has differences with other vehicle fuels such as gasoline. Among the differences between diesel and gasoline, we can mention the way they are refined, which is easier to refine and produces more energy per liter than gasoline.

Diesel is also known as petroleum gas and is used for fueling diesel cars and thermal installations. Diesel is one of the crude oil products that is obtained after kerosene in the distillation tower and has many uses.

Gasoline can be produced in atmospheric distillation tower and vacuum distillation tower. Diesel is a colorless liquid that has a higher density than other common fuels. It also has relatively high viscosity, which causes adhesion.

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Liquefied gas (LPG) is in the category of petrochemical raw materials, which is mostly used for heating purposes. It is also a colorless and volatile gas that is obtained through pressure, cooling and liquefaction of the purification gas and does not contain olefin.

Liquefied gas or LPG refers to two hydrocarbon gases, butane and propane or their combination, which are kept in liquid form. Compounds of propylene and butylene are among other things that may be added to liquid gas.

Among the applications of liquid gas (LPG), we can mention fuel for vehicles and in heating cases. One of the advantages of liquid gas is its simple transportation, which can be used in cases where fuel is needed.

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Bitumen is obtained from the distillation of crude oil, which is called petroleum bitumen or distillate bitumen. Bitumen is produced after two stages of crude oil distillation in the distillation tower, in which gasoline and propane are separated from crude oil in the first stage, and bitumen is extracted in the second stage.

Bitumen is a black, paste-like substance that is used in cases such as insulation, moisture, and asphalt construction. There are different types of bitumen, which include natural bitumen, petroleum bitumen, and tar bitumen, and they have two important properties: adhesion and impermeability against water.

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Polystyrene is one of the primary polymer materials that is clear, rigid, fragile and strong in its unmodified state. Polystyrene is produced in various forms such as foam, rigid plastic and film, which are used for food packaging, electronic protection, etc.

Polystyrene is also known as phenylene and is a thermoplastic polymer that softens and melts when heated and can be reused. Polystyrene is a widely used electrical insulator that is resistant to chemicals such as acids and bases.

Polystyrene contains styrene monomer. In addition, it may contain additives such as initiators, catalysts, stabilizers, lubricants, pigments, and fillers that increase the physical properties of the final product.

Below are the explanations of the types of polystyrene:

General polystyrene GPPS

One of the most widely used polystyrene models is crystalline polystyrene, which is also known as crystal polystyrene and is used for general purposes. It is used to make disposable containers, electrical parts, sports equipment and toys. Also, the use of crystalline polystyrene has advantages such as high strength, transparency, dimensional stability, high electrical properties, resistance to gamma rays and low price.

"GPPS1540"

HIPS resistant polystyrene

It is an economical and versatile polymer that is resistant to impact and has good dimensional stability. Resistant polystyrene can be colored and is easily molded. The advantages of this type of polystyrene include high flexibility, easy machining, impact resistance, and low price.

HIPS resistant polystyrene is actually a thermoplastic that is obtained from the polymerization of styrene monomers and is a hard and rigid plastic. Resistant polystyrene is used for packaging and making consumer goods.

"HIPS7240"

EPS expanded polystyrene:

Expanded polystyrene is produced from white foams, which is used in the packaging industry, building insulation and other cases. Also, EPS expanded polystyrene granules consist of two parts. A part of styrene that forms the structure of the cell and a part of pentane gas that is a foaming agent. Expanded polystyrene is light weight and has low heat transfer.

Hence it is used for insulation. Expandable polystyrene can be used to prevent energy loss. Also, this polymer has high impact resistance.

"HS121"

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