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Penetration Bitumen 20/30


Penetration bitumen, a crucial component in the construction and infrastructure industries, plays a vital role in ensuring the durability and stability of road pavements. Among various bitumen grades, 20/30 penetration grade stands out for its specific characteristics and widespread applications.

Penetration bitumen grade 20/30 is categorized based on its penetration value, which refers to the depth in tenths of a millimeter to which a standard needle penetrates the bitumen sample under specific conditions. This grade exhibits a penetration value range of 20 to 30, indicating a medium hardness and consistency.

  • Consistency and Hardness: The penetration value of 20/30 signifies a balanced consistency that offers a favorable compromise between stiffness and flexibility. This property makes it suitable for various climatic conditions and traffic loads.
  • Thermal Susceptibility: Penetration bitumen grade 20/30 possesses a desirable thermal susceptibility, enabling it to maintain its viscosity and stability over a wide temperature range. This characteristic is crucial in preventing deformation and cracking under extreme weather conditions.
  • Ductility: The bitumen's ductility, or its ability to stretch and deform without breaking, is another significant property of grade 20/30. This ensures its ability to accommodate the movement of underlying structures, thus enhancing the longevity of pavements.
Benefits of Using Penetration Bitumen Grade 20/30
  • Durability: The balanced properties of penetration bitumen grade 20/30 contribute to the longevity and durability of road pavements and structures.
  • Versatility: Its suitability for a range of applications, from road construction to waterproofing, makes it a versatile choice for various projects.
  • Cost-Effective: The cost-effectiveness of this grade stems from its ability to provide durable solutions that require less frequent maintenance.
  • Sustainable Infrastructure: By promoting the longevity of roads and pavements, the use of grade 20/30 bitumen supports sustainable infrastructure development, reducing the need for frequent repairs and reconstructions.
Item Specification Test method
Specific gravity @ 25/25 °C 1.01/1.06 D-70
Penetration @ 25 °C 30/20 D-5
Softening point °C 55/63 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
20/30 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