In the realm of construction and infrastructure development, the role of high-quality bitumen cannot be understated. Among the various bitumen grades available, Penetration Bitumen Grade 40/50 stands out as a versatile and widely used option. This article delves into the unique characteristics, advantages, and applications of Penetration Bitumen Grade 40/50, shedding light on why it's a preferred choice in the construction industry.
Penetration Bitumen Grade 40/50 is a type of bitumen with specific physical properties that make it suitable for various construction applications. The "40/50" in its name refers to its penetration value, which is measured in decimeters. This value signifies the depth in tenths of a millimeter to which a standard needle penetrates the bitumen sample under specific conditions of temperature and time. A penetration value of 40/50 indicates a medium-hard bitumen consistency, making it adaptable to a wide range of temperature and load conditions.
Item | Specification | Test Method |
---|---|---|
Specific Gravity @ 25/25 °C | 1.01/1.06 | D-70 |
Penetration @ 25 °C | 50/40 | D-5 |
Softening Point (°C) | 52/60 | 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 |