viscosity grade

Viscosity Grade Bitumen: Its Importance and Uses

When it comes to the construction industry, asphalt plays an indispensable role. Whether it’s for road surfacing, waterproofing, or other infrastructure projects, the quality and performance of asphalt can significantly impact the longevity and durability of the finished product. One of the essential characteristics of asphalt that determines its quality and suitability for various applications is its viscosity grade. In this blog post, we will delve into viscosity grade bitumen, its significance, and its diverse range of uses.

What is Viscosity Grade Bitumen?

Viscosity grade bitumen refers to bitumen that is classified based on its viscosity or resistance to flow at a specific temperature. The viscosity of bitumen is a crucial parameter as it determines how the material will behave during application and under varying temperature conditions. The higher the viscosity grade, the thicker and more viscous the bitumen will be.

Understanding Viscosity Grades

Viscosity grades are typically classified using two main systems:

  1. Absolute Viscosity (AV): This system categorizes bitumen based on its absolute viscosity in centipoises (cP) at a standard temperature of 60°C. For example, VG 10, VG 20, VG 30, VG 40, and VG 50 are some of the common viscosity grades based on absolute viscosity.
  2. Kinematic Viscosity (KV): In this system, bitumen is classified based on its kinematic viscosity in centistokes (cSt) at a standard temperature of 135°C. The commonly used grades include VG 10, VG 20, VG 30, VG 40, and VG 50.

Why is Viscosity Grade Bitumen Important?

Viscosity grade bitumen is crucial for ensuring the proper performance and longevity of asphalt in various applications. The viscosity grade of bitumen determines:

  • Workability: Higher viscosity grades are generally thicker and more viscous, which can influence the workability of the asphalt during application.
  • Temperature Susceptibility: The viscosity grade indicates how the bitumen will perform under different temperature conditions. For instance, bitumen with a higher viscosity grade will be more resistant to deformation at high temperatures and less susceptible to cracking at low temperatures.
  • Durability: The right viscosity grade ensures that the asphalt will provide optimal durability and resistance to wear and tear, thereby extending the lifespan of the constructed surface.

Uses of Viscosity Grade Bitumen

Viscosity grade bitumen finds its application in various sectors of the construction industry, including:

  1. Road Construction: Viscosity grade bitumen is widely used in the construction of roads and highways. It serves as a binding agent that holds the aggregate together, providing strength and durability to the road surface.
  2. Waterproofing: Due to its excellent adhesive properties and resistance to water, viscosity grade bitumen is used for waterproofing applications, such as roofing, basement waterproofing, and tank lining.
  3. Paving and Surfacing: Viscosity grade bitumen is used in the manufacturing of asphalt concrete, which is used for paving and surfacing driveways, parking lots, and other paved areas.
  4. Industrial Applications: Apart from construction, viscosity grade bitumen is also used in various industrial applications, including the manufacturing of paints, coatings, and adhesives.

Peak Universal Business: Your Top Quality VG Bitumen Supplier

Selecting a reliable and experienced supplier is crucial when it comes to sourcing viscosity grade bitumen of the highest quality. Peak Universal Business is a leading supplier of viscosity grade bitumen, offering a wide range of grades to meet the specific requirements of various construction projects.

With years of experience and expertise in the industry, Peak Universal Business is committed to delivering premium-quality viscosity grade bitumen that complies with international standards and specifications. Their products undergo rigorous quality control procedures to ensure consistency, reliability, and performance.


Viscosity grade bitumen plays a vital role in the construction industry, influencing the quality, performance, and durability of asphalt in various applications. Understanding the significance of viscosity grades and choosing the right supplier are essential steps in ensuring the success of any construction project.

With Peak Universal Business as your trusted supplier, you can rest assured knowing that you are receiving viscosity grade bitumen of the highest quality, tailored to meet the specific requirements of your project. Whether you are involved in road construction, waterproofing, or paving and surfacing, Peak Universal Business has got you covered with their extensive range of premium-quality viscosity grade bitumen.

So, the next time you need viscosity grade bitumen for your construction project, remember to choose Peak Universal Business for unparalleled quality, reliability, and performance.

You can Read More about this product Here: VG Grade Bitumen

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