Petro Sanat Zomorod Bitumen AH-70
Bitumen 70-AH Petro Sanat Zomorod Industry
Bitumen aeration is the process by which hot liquid bitumen is contacted with air. As a result of this contact, the bitumen hardens and its thermal sensitivity decreases.
The amount of modification and improvement of bitumen characteristics that are done in this process depends on the type of feed and temperature variables, feed viscosity, aeration time and feed stay, aeration ratio, and type of devices. Blown bitumen is used in the manufacture of waterproofing layers, asphalt bricks, roof sealing, mastic, pipe coating, paint, even road asphalt, and many other items. Each of them has specific standards for the dehydrogenation polymerization process. And oxidation.
In this process, some oils are converted to resins and some resins to asphaltene. These changes result in a gel-like, rubber-like colloidal structure with the characteristics of blown bitumen.
Only 5 to 25% of the combined oxygen remains bonded in the blown bitumen structure and the rest is released as water vapor, CO2, SO2, etc.
The amount of oxygen in the product increases as the amount of feed aromatics increases, the aeration rate increases, and the process temperature decreases.
Blown bitumen has a lower degree of penetration and a softer point than the original pure bitumen and has lower thermal sensitivity.
To name the blown bitumens from left to right, after the letter R, first the soft point and then the degree of penetration is given.
For example, 70-AH bitumen or this process is exothermic and it is very necessary to control the temperature of this process and adjust the air to feed ratio. The bitumen blowing process can be done intermittently or continuously.
These types of bitumens are classified and coded with the help of soft point and degree of penetration.
Oxidized bitumens also meet the criteria of solubility and weight loss due to heat according to the standard. The softening points of oxidized bitumens are much higher than their corresponding penetration bitumens.
As a result, the thermal sensitivity of oxidized bitumens is much higher.
For this product no file has been considered.
Bitumen 70-AH Petro Sanat Zomorod Industry
Bitumen aeration is the process by which hot liquid bitumen is contacted with air. As a result of this contact, the bitumen hardens and its thermal sensitivity decreases.
The amount of modification and improvement of bitumen characteristics that are done in this process depends on the type of feed and temperature variables, feed viscosity, aeration time and feed stay, aeration ratio, and type of devices. Blown bitumen is used in the manufacture of waterproofing layers, asphalt bricks, roof sealing, mastic, pipe coating, paint, even road asphalt, and many other items. Each of them has specific standards for the dehydrogenation polymerization process. And oxidation.
In this process, some oils are converted to resins and some resins to asphaltene. These changes result in a gel-like, rubber-like colloidal structure with the characteristics of blown bitumen.
Only 5 to 25% of the combined oxygen remains bonded in the blown bitumen structure and the rest is released as water vapor, CO2, SO2, etc.
The amount of oxygen in the product increases as the amount of feed aromatics increases, the aeration rate increases, and the process temperature decreases.
Blown bitumen has a lower degree of penetration and a softer point than the original pure bitumen and has lower thermal sensitivity.
To name the blown bitumens from left to right, after the letter R, first the soft point and then the degree of penetration is given.
For example, 70-AH bitumen or this process is exothermic and it is very necessary to control the temperature of this process and adjust the air to feed ratio. The bitumen blowing process can be done intermittently or continuously.
These types of bitumens are classified and coded with the help of soft point and degree of penetration.
Oxidized bitumens also meet the criteria of solubility and weight loss due to heat according to the standard. The softening points of oxidized bitumens are much higher than their corresponding penetration bitumens.
As a result, the thermal sensitivity of oxidized bitumens is much higher.
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