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Penetration Bitumen 90/130


In the realm of construction and infrastructure, the significance of quality materials cannot be overstated. One such material that plays a pivotal role in road construction and maintenance is penetration bitumen. Among its various grades, Penetration Bitumen Grade 90/130 stands out as a reliable choice for various applications. In this article, we delve into the intricacies of Penetration Bitumen Grade 90/130, its properties, uses, and the key factors that make it an indispensable asset in the world of construction.

Penetration Bitumen Grade 90/130, often referred to as paving grade bitumen, is a highly viscous, black, and sticky substance derived from crude oil. Its nomenclature signifies its penetration value, which is measured in tenths of a millimeter and represents the depth to which a standard needle penetrates the bitumen sample under specific conditions. In this case, Penetration Bitumen Grade 90/130 has a penetration value ranging from 90 to 130.

Properties and Composition

This bitumen grade boasts a distinctive set of properties that make it suitable for a range of applications. With excellent adhesive and cohesive properties, Penetration Bitumen Grade 90/130 provides a strong binding force between aggregates, contributing to the durability and longevity of road surfaces. Its composition includes hydrocarbons with varying molecular weights, and its rheological properties allow it to flow at high temperatures while maintaining stiffness at lower temperatures, crucial for road stability in diverse weather conditions.

Advantages and Considerations
  • Durability: The cohesive and adhesive properties of Penetration Bitumen Grade 90/130 contribute to the longevity of road surfaces, reducing maintenance costs.
  • Versatility: Its ability to perform well under a range of temperatures and conditions makes it a versatile choice for various applications.
  • Economic Benefits: Using this grade of bitumen can lead to cost savings due to its long-lasting nature and reduced need for frequent maintenance.

However, it's important to consider that Penetration Bitumen Grade 90/130's performance is influenced by factors like traffic load, climate, and aggregate type. Hence, proper engineering and testing are crucial for ensuring optimal results.

Bitumen 90/130 Specification Test Method
Specific Gravity @ 25/25 °C 1.01/1.06 D-70
Penetration @ 25 °C 130/90 D-5
Softening Point (°C) 43/47 D-36
Ductility @ 25 °C 100 min D-113
Loss on Heating (wt) % 0.2 Max D-6
Drop in Penetration after Heating % 20 Max D-6, D-5
Flash Point (°C) 250 min D-92
Solubility in CS2 (wt) % 99.5 Max D-4
Spot Test Negative A.A.S.H.O. T102
90/130 common packings:
One of the most common packaging of bitumen is new steel drum. The new steel drums are easy to handle, transport and a proper packaging to ensure the products reach their target destinations flawlessly without any leakage or spill. Read more