VG-10

VG-10 bitumen, classified as the softest grade of viscosity bitumen, offers superior performance in cold weather conditions, making it an ideal choice for road paving projects in regions with chilly climates. In contrast to the traditional 80/100 penetration grade bitumen, VG-10 demonstrates enhanced characteristics when faced with low temperatures. Its optimal operating range lies between -10°C to 25°C, ensuring durability and stability during colder seasons. However, the advantages of VG-10 bitumen are somewhat limited in hot climates due to its susceptibility to rutting under high temperatures.

In regions where the air temperature consistently exceeds 25°C, VG-10 may not deliver the desired level of resistance against deformation caused by traffic loads. Consequently, its application in such environments may not be as effective in maintaining road integrity over time.
Therefore, while VG-10 bitumen presents an advantageous solution for cold climate road construction, its performance may not be optimal in areas characterized by consistently high temperatures. Engineers and contractors must consider these temperature-dependent properties when selecting bitumen grades for paving projects, ensuring that the chosen material aligns with the specific environmental conditions to achieve long-lasting and durable road surfaces.

Advantages

> It is suitable for temperature below 30◦C

> It has a higher Penetration Value in comparison to VG-30 and VG-40

> It has better resistance to changes in temperature, particularly in cold regions

> It gives exemplary performance against repeated freeze-thaw cycles

> The bitumen temperature of VG-10 ranges between 140⁰C-160⁰C and the laying temp is 130⁰C
 

Applications

> It is recommended for road construction in cold regions

> With its low viscosity, VG-10 bitumen also performs well when spraying and surface dressing is needed.

> It is used in production of bitumen emulsions and modified bitumen products

> It achieves higher efficiency in road projects