how many types of bitumen grade and their application explained
It is essential to grade bitumen because different types of crude oil might result in the production of many kinds of bitumen which are graded according to their completely different qualities.
bitumen 60/70 specification
Different grades of bitumen and how they’re applied in different applications are explained in this article.
Refineries utilize a number of standard tests to examine the viscosity level, penetration value, performance, and consistency of their bitumen in order to grade bitumen depending on its attributes.
These tests are used to determine the bitumen's grade.
The bitumen penetration grades and viscosity grades that are determined by these tests are shown in this section.
The method that was utilized to create various grades of bitumen, such as cutback bitumen, oxidized bitumen, and bitumen emulsions, is used to categorize these types of bitumen.
Bitumen penetration grades
When it comes to paving roads and other surfaces, bitumen penetration grades are your best bet.
A penetrometer is utilized after the manufacture of bitumen in order to classify it.
The instrument consists of a needle that is able to pierce a bitumen sample in order to determine the amount of the bitumen's hardness.
If it takes the needle a short amount of time to pierce the sample of bitumen, then the bitumen is soft; however, if it takes a longer amount of time, then the bitumen is harder.
The grade of bitumen penetration that is the easiest to penetrate is called 100/120, and the grade that is the most difficult is 30/40.
The grades ranging from 40/50 to 85/100 are as follows: 50/70, 60/70, 80/100, and 40/50.
Bitumen penetration 60/70
Traditional bitumen penetration 60/70 grade is utilized on the vast majority of road construction.
This grade is the superior choice for coating and adherence of aggregates in a wide temperature range, ranging from -22 degrees Celsius to +76 degrees Celsius.
Bitumen Penetration 80/100
The 80/100 grade of penetrating bitumen is another popular choice because of its high level of hardness, which makes it an excellent choice for the paving of roads in nations located in Central Africa.
Bitumen viscosity grade
The viscosity grading system is another approach that can be used to grade bitumen.
bitumen grade 60/70 means
This system divides bitumen into four groups based on its viscosity: VG 10, VG 20, VG 30, and VG 40.
Each viscosity grade is best suited for a certain set of applications and has a distinct behavior throughout a range of temperatures.
Bitumen VG 10
Bitumen VG10 is able to reach higher levels of efficiency in road construction projects because it is more resistant to variations in temperature, particularly in colder places.
Because of the limited number of bitumen refineries that are able to produce VG10 bitumen, the price of this grade of viscosity bitumen is going to be slightly higher than the price of bitumen 80/100.
The usage of spraying applications and surface coatings are two more common applications for bitumen VG 10.
Bitumen VG 30
When compared to bitumen 60/70, bitumen VG 30 provides superior quality and performance for road construction projects.
However, because of its greater level of quality, bitumen VG 30 also carries a higher price tag.
bitumen grade 80/100 means
Bitumen VG 40
VG40 is utilized in nations that experience higher temperatures and strong traffic loads, such as those in Africa and India, because of its increased viscosity, precision, and predictability, as well as its longevity.
This type of bitumen is an emulsified mixture of bitumen and water.
It was designed to reduce the negative effects of cutback bitumen on the environment.
It is useful for waterproofing and coating in the construction of roads.
Emulsions of bitumen are less hazardous to work with, simpler to transport, and less expensive.
The electrical charge of the particles and the amount of time it takes for the emulsion to set are the two primary criteria that are used to categorize bitumen emulsions.
Bitumen emulsions can be classified as anionic, which means they have a negative charge, or cationic, which means they have a positive charge (with a positive charge).
The amount of time necessary for the bitumen emulsion to absorb less water and become tacky enough to bind aggregates constitutes the secondary grading system.
The use of bitumen emulsions is appropriate for pavement maintenance and road rehabilitation operations such as tack coatings, chip seals, slurry seals, and micro surfacing.
Bitumen emulsions are ideal for spraying applications as well.
For more information on different types of bitumen or any inquiries regarding its purchase, contact us.
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