What is bitumen? Bitumen is a dark-colored, viscous, semi-solid binding material obtained through the refining of crude oil. Thanks to its waterproof structure, high adhesive properties, and durable composition, it is widely used in various industries. It is especially recognized as the primary binding agent that holds aggregate materials together in asphalt mixtures.

Bitumen is a versatile product preferred in many applications, ranging from industrial surface protection and asphalt plants to roofing systems and foundation waterproofing. Thanks to its structure that softens when heated and hardens when cooled, it can be used in different forms depending on the application. With proper storage, appropriate temperature control, and high-quality application methods, bitumen provides durable and long-lasting solutions.

What Is Bitumen Used For?

The primary function of bitumen is to serve as a binding, protective, and waterproofing material in the area where it is used. In asphalt production, it binds together materials such as stone, sand, and crushed stone, collectively known as aggregates. As a result, road surfaces become more durable, flexible, and long-lasting. Its ability to provide resistance against traffic loads, weather conditions, and surface wear is one of the most significant advantages of bitumen in road construction.

In addition to asphalt production, bitumen is also used in areas requiring protection against water. Thanks to its waterproof structure, it is preferred for waterproofing roofs, foundations, terraces, bridges, and various engineering structures. It forms a protective layer on the applied surface, preventing water from damaging structural components. This characteristic is particularly important for extending the service life of structures.

The main functions of bitumen are as follows:

• Serves as a binding material in asphalt mixtures.
• Increases the durability of road surfaces.
• Provides waterproofing.
• Protects structural elements against moisture and external factors.
• Forms a protective coating on industrial surfaces.
• Adapts to temperature changes thanks to its flexible structure.

Thanks to these properties, bitumen has a wide range of applications, from infrastructure projects to superstructure applications. When used correctly, it provides both cost advantages and extends the service life of the surfaces on which it is applied.

Bitumen can be used in many different industries thanks to its binding and waterproofing properties. Its most common area of use is road and asphalt applications. At asphalt plants, it is mixed with aggregate materials to produce asphalt mixtures used in road pavements. These mixtures are preferred for areas exposed to heavy use, such as urban roads, highways, airport runways, parking areas, and industrial sites.

Road and Highway Construction

Bitumen is used as the primary binding material in asphalt mixtures for road and highway construction. It binds aggregate materials together, ensuring that the road surface is durable, flexible, and smooth. This makes it possible to produce pavements that are resistant to vehicle traffic.

In road construction, bitumen is mixed with aggregates at specific temperatures in hot asphalt mixtures. The resulting asphalt mixture is laid on the road surface and compacted. This creates a strong pavement layer capable of carrying traffic loads.

Asphalt Plants

Asphalt plants are production facilities where bitumen and aggregate materials are mixed under controlled conditions. In these facilities, bitumen is stored at the appropriate temperature, heated, and incorporated into the mixing process. This ensures the production of high-quality asphalt for road construction.

Using bitumen at the correct temperature in asphalt plants is extremely important. Temperatures lower than required may negatively affect the quality of the mixture, while excessively high temperatures may cause deterioration in the properties of the bitumen. Therefore, temperature control should be carried out carefully within asphalt plant systems.

Waterproofing Applications

Bitumen is widely preferred for waterproofing applications thanks to its waterproof structure. It forms a protective barrier, especially in areas that may be exposed to water, such as foundations, retaining walls, terraces, and basements. This barrier helps prevent water from penetrating the structure.

Bitumen-based membranes, liquid waterproofing products, or coating materials can be used for waterproofing. Ensuring that the application surface is clean, dry, and sound allows the bitumen to adhere more effectively. With proper application, structures become more resistant to moisture and water damage.

Roof and Foundation Waterproofing

In roof and foundation waterproofing, bitumen plays an important role in protecting structures against external factors. Bitumen-based coatings can be used on roofs to prevent rain, snow, and moisture from entering the building. In foundation waterproofing, it forms a protective layer against groundwater.

Bitumen-based waterproofing materials can adapt to temperature changes thanks to their flexible structure. This feature provides an advantage against expansion and contraction movements that may occur in roofs and foundations. As a result, waterproofing performance is maintained over a long period.

Industrial Coating Applications

Bitumen can also be used for surface protection and coating in industrial applications. It helps protect concrete and metal surfaces against moisture, chemical exposure, and abrasion. For this reason, it can be preferred for factory floors, storage areas, and certain infrastructure components.

Industrial coating applications benefit from the durable and adhesive properties of bitumen. It forms a protective layer on the applied surface, reducing damage caused by external factors. As a result, maintenance requirements may be reduced, and the service life of the surfaces can be extended.

How Is Bitumen Stored and Transported?

Since bitumen is highly sensitive to temperature, its storage and transportation processes must be carefully managed. It is generally stored in specially designed bitumen tanks. These tanks are equipped with heating systems that keep the bitumen within a specific temperature range. As bitumen cools, it hardens, loses its flowability, and becomes more difficult to prepare for use.

Bitumen transportation also requires specialized equipment. Tankers, heated storage systems, and transfer lines ensure the safe transportation of bitumen. Maintaining the correct temperature during transportation is essential for preserving product quality. In addition, the necessary safety measures should be taken against issues such as leakage, fire hazards, and environmental impacts.

The main points to consider during bitumen storage and transportation are as follows:

• Bitumen should be maintained within the appropriate temperature range.
• Storage tanks should be equipped with heating systems.
• Transfer lines and pumps should be suitable for handling bitumen.
• Precautions should be taken against leakage and spillage during transportation.
• Tanks, valves, and connection equipment should be inspected regularly.
• Occupational health and safety regulations should always be followed.

Proper storage and transportation methods directly affect the performance of bitumen. Bitumen stored at incorrect temperatures or transported using unsuitable equipment may not provide the desired performance during application. For this reason, bitumen tanks, heating systems, and transfer equipment are of great importance, especially in asphalt plants and road construction projects.

Professional equipment is essential for storing bitumen at the correct temperature, transporting it safely, and efficiently integrating it into the asphalt production process. Polygonmach provides reliable systems for road construction, asphalt production, and industrial storage projects with its bitumen tanks, asphalt plants, and bitumen processing solutions.

You can contact Polygonmach to determine the most suitable bitumen tank, asphalt plant, or bitumen processing equipment for your project, learn the technical details, and receive information about a solution tailored to your specific needs.