Road bitumens are classified based on the results of penetration degree and soft spot tests. The classification is based only on the penetration range, for example, 70.60 bitumen has a penetration degree between 70 and 60 and a softening point between 48 and 52 oC. Note that the degree of penetration is not stated when classifying the unit. physical specifications of different types of bitumens produced by . For more information about Road bitumen wholesaler in 2020, you can visit our site.
What bitumen looks like?
Black bitumen is a color and paste that has many applications in moisture insulation and asphalt construction. There are different types of bitumen, each of which has a specific application. Bitumen is a derivative of oil and is often produced in oil refineries.
Bitumen is a dense, highly viscous, oil-derived hydrocarbon that is classified into two main types. The first type is natural bitumen, which is found under oil hills and lakes, and the other type is refined bitumen from crude oil deposition.
The main part of penetrating bitumens is 70/60 bitumen which is used in road construction. In the last two decades of the twentieth century, in most road construction projects, there is a greater tendency to use hard bitumen due to the production of asphalt with higher properties compared to soft bitumen.
Thus, bitumen that has a high degree of penetration is called soft bitumen and is used in cold regions, and vice versa, bitumen with a low degree of penetration is called hard bitumen and is used for hot weather conditions.
Over the years, the relationship between the laboratory properties of road bitumens and their performance on the road has been studied. By increasing the traffic load, predicting the long-term behavior of asphalt and its efficiency become very important. Road performance depends on many factors such as design, nature of application and quality of each asphalt component. In terms of volume, bitumen in asphalt is in the minority, but this material has an essential and provides the viscoelastic properties of asphalt mixtures.
If the four properties are controlled, bitumen will have a good performance on the road. The rheological properties of bitumen are determined by the degree of penetration and the penetration index. By studying the relationship between road performance and the physical properties of commercial and prototyped bitumen, Shell has developed a series of experiments to determine the quality of bitumen.
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Bulk shopping of bitumen in 2020
Bitumen mining Tar is used in places where there is a possibility of spillage of solvent or fuel due to its longer durability and ineffectiveness of solvents. They are known by name. Because the source of this type of bitumen is different from petroleum bitumen, it has different chemical composition and physical properties, which results in different behavior during use (type of vapors emitted) and performance during operation. Tar is a general term for liquids that come from burning natural organic materials such as wood or coal and their destructive distillation in the absence of air. Dear customers, for more information about Bulk shopping of bitumen in 2020, please refer to our collection website.
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