Rapid Setting 1

Bitumen Emulsion Rapid Setting 1 (PBI CRS -1)

It is a specially designed product for ensuring a uniform and strong Tack Coat for bituminous road construction purpose.


GRADE R S -1 is normally used for

  • Uniform & Strong Tack Coat
  • Foundation
  • Basement
  • Walls & Roof



  • Easy and uniform spray
  • Ready to use
  • Saves energy as not require heating
  • No atmospheric pollution during road laying or maintenance
  • Less road maintenance cost
  • Highly adhesive properties
  • Water resistant and enhances easy drainage of water Low temperature curing
  • Enhances structural strengths of layers
  • Prevents lateral movements of structural layers
  • Provides an impervious layer to prevent water ingress from water table below the road layers


Tack Coat :

An application of bituminous material applied to an existing, relatively non absorbent surface to provide a through bond between existing and new surfacing.


Objectives :

  • To ensure a proper bond between existing surface and the new bituminous course being placed over it.
  • To ensure long life of the road, it is important that the new bituminous surface bonds firmly with the underneath surface.
  • To coat and bond loose mineral particles on the surface of the surface layer.
  • To seal surface pores and make the surface water resistant.
  • To impart structural stability and prevent lateral movement of layers.
  • To assist adhesion between the base and the super imposed surface course.


Rate of application of Tack Coat


Surface Type Qty in kg per 10 m sq. Area
Normal bituminous surfaces 2 to 2.5
Dry and hungry bituminous surfaces 2.5 to 3.0
Granular surfaces treated with primer 2.5 to 3.0
Non- bituminous surfaces Granular base ( not primed) 3.5 to 4.0
Cement concrete pavement 3.0 to 3.5


Some important specifications and properties are :as per ( IS – 8887:2004)


Penetration 80 – 150
Binder- residue by evaporation Min 60%
Viscosity @ 50° C (Saybolt), sec 20 – 100
Storage stability after 24 hours % max Less than 2
Setting time ~ 15 mins