Bitumen 30/40

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Bitumen 30/40


Bitumen Penetration Grade 30/40 is a standard penetration grade. Bitumen usually used as a Paving Grade Bitumen suitable for pavements with superior properties.


Bitumen Types and Their Uses:

  • Paving Grades - road surfacing, and some industrial applications
  • Hard Grades - paints and enamels etc
  • Oxidised/Blown Grades - roofing, waterproofing, electrical products, and many others
  • Cutback Bitumens - spraying and some mixing applications
  • Bitumen Emulsions - used largely in road surfacing applications
  • Polymer Modified Binders (PMBs) - there are different types and they can be used for many of the applications mentioned above


Description :

Bitumen suitable for road construction and for the production of asphalt pavements with superior properties.Penetration Grade bitumen’s are specified by the penetration and softening point test. Designation is by penetration range only. The penetration grade bitumen’s have a thermoplastic property which causes the material to soften at high temperatures and to harden at lower temperatures. This unique temperature/ viscosity relationship is important when determining the performance parameters such as the adhesion, theology, durability and application temperatures of bitumen.


Other Applications:

Bitumens are also used in flooring materials (mastic asphalt), to back carpet tiles, as joint sealants, in pipe coating (both land and marine), in automotive applications, as adhesives and for numerous other applications.


Index : 

Penetration Bitumen  30/40

Specification Test Metod
Specific Qravity @ 25/25 C 1.01-1.06 D-70
Penetration @ 25 C 30/40 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 CS (wt)% 99.5 Min D-4
Organic Matter Insoluble In CS2 (wt)% - D-4
Spot Test Negative *A.A.S.H.O.T.102


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