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PMB
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PMB

POLYMER MODIFIED BITUMEN

As the name suggest, PMB is produced by blending straight run Bitumen with suitable thermoplastic, polymers & additives.

Sr No. GRADES APPLICATIONS
1 PMB-120 Modified bitumen is used in high-rainfall areas.
2 PMB-70 PMB is a great contributor towards the development of a nation.
3 PMB-40

Application

It is used for Wearing course & Binder course like Semi dense Bituminous Concrete (SDBC), Dense Bituminous Macadam (DBM) and Bituminous Concrete (BC)or Asphalt Concrete(AC).

Advantages

  • Enhances life of periodical maintenance and overlays by about 1.5 times as compared to conventional Bitumen.
  • Lower susceptibility to temperature variations.
  • Higher resistance to deformation wear and tear.
  • Low glass transition temperature which gives excellent performance properties of pavement at low temperatures.
  • Stiffer blend reduces rutting and stability at high temperatures.
  • Enhances Dimensional stability and strength of pavement.
  • Improves abrasion resistance of pavementImproves abrasion resistance of pavement.
  • Improves Fatigue resistance.
  • Reduces Oxidation and aging resistance.
  • Reduces structural thickness of pavement.
  • Provides better adhesion between different aggregates.
  • Delay cracking and reflective cracking.