|VG-10 bitumen is a type of refining bitumen. According to zinc testers (or viscosity), it means: the penetration of a standard needle with a certain shape in millimeters under the effect of a load of 100 grams in 5 seconds in bitumen Which takes place at a temperature of 25 ° C. The obtained number indicates the permeability of bitumen||VG-20 viscosity bitumen is a class of refined bitumens obtained from vacuum aeration of the distillation tower and divided according to their viscosity (expensive). This type of bitumen is mostly used in road construction, insulation, construction, and also the production of liquid bitumen.|
|Bitumen VG-30 Viscosity bitumen is a standard bitumen that is especially used as paving bitumen and is suitable for road construction and asphalt production with special properties. VG-30 grade bitumen is used for roads with high traffic and heavy vehicles.||Bitumen VG-40 is a grade of refined bitumen that is obtained by vacuum aeration of the distillation tower and is divided based on its viscosity. VG40 bitumen is used in areas under high pressure such as intersections, near tolls, and truck parking instead of old bitumen with a permeability of 40.30. Due to the high viscosity of this type of bitumen, hard bitumen can be produced to improve tensile strength and other problems related to higher temperatures and heavy traffic loads.|
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