Bitumen is a hydrocarbon material, black and paste-like, which is most widely used in moisture insulation and asphalt construction. Due to the fact that bitumen is a petroleum derivative and its production is carried out in oil refineries, it has different grades and types, each of which has a special application.
The important feature of bitumen is its impermeability to water and its adhesion. In general, more than 100 million tons of bitumen are used in the world, of which about 40% is consumed in Asia. The share of America and the Caribbean is about 30% and 18% is consumed in European countries. Russia and CIS countries account for 7% of consumption, and Africa and Oceania together account for 5% of the total global bitumen consumption.
Bitumen
Bitumen
Bitumen is a hydrocarbon material, black and paste-like, which is most widely used in moisture insulation and asphalt construction.
VG30 bitumen (VISCOUSITY GRADE 30) is a grade of refinery bitumen obtained from the vacuum aeration of a distillation tower and is divided into grades 30 and 40 based on viscosity. This type of bitumen is primarily used for the construction of super-heavy bituminous pavements, which must bear significant traffic loads. The most common use of this type of bitumen is in road construction, insulation, building construction and liquid bitumen production. In terms of place of use, VG30 bitumen is more suitable for temperate climates. Bitumen can be used instead of 70/60 penetrating bitumen. Due to the waterproof and insulating properties of VG bitumen, this material is used in the construction of dams, tunnels, bridges, bulk coatings and green roofs. Features of VG grade bitumen:
1- Waterproof property: VG bitumen has very good waterproof properties, which makes this material used for waterproof and insulation coatings.
2-Temperature resistance: VG bitumen can still have good viscosity at high and low temperatures, and for this reason, it is used for roof coverings and bulk coverings.
3-Flexibility: VG bitumen has very good flexibility, which makes it suitable for use in environments with high vibration and mechanical stimulation.
4-Resistance to breaking: VG bitumen has high resistance to breaking, which makes it suitable for use in tall and strong structures.
VG40 (VISCOUSITY GRADE 40) is a grade of refinery bitumen obtained from the vacuum aeration of the distillation tower and it is divided into grades 30 and 40 based on viscosity. This type of bitumen is primarily used for the construction of super-heavy bituminous pavements, which must bear significant traffic loads. This type of bitumen is mostly used for special coatings inside buildings and special environments.
It is a bitumen that is obtained through aeration and oxidation process on a vacuum baton in bitumen units and its permeability is between 60 and 70 tenths of mm. This type of bitumen, which is the most widely used bitumen grade, is used for asphalting and preparation of various coating mixtures in this industry.
It is a bitumen that is obtained through aeration and oxidation process on a vacuum baton in bitumen units and its permeability is between 60 and 80 tenths of mm. This type of bitumen, which is the most widely used bitumen grade, is used for asphalting and preparation of various coating mixtures in this industry.
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