BS group Bitumen Emulsion CMS

Cationic Bitumen Emulsion Medium Setting Type

BS group Bitumen Emulsion CMS is specially designed water based Bitumen Emulsion with moderate viscosity and setting time. This makes it a perfect product for premixing applications. It is chocolate brown in color and is a free flowing liquid at ambient temperature. BS group Bitumen Emulsion CMS is manufactured strictly conforming to IS 8887:2004.


 Typical properties



BS group Bitumen Emulsion RS2

Residue on 600 micron is sieve , % max


Viscosity  @ 50c (Saybolt viscometer), sec


Setting time, minutes


Binder residue by evaporation, % min


Coagulation at low temperature




At the following you can find some advantages of this product:

·         No heating required thus eco-friendly

·         Cost and energy efficient

·         Easy and even mixing

·         Low temperature curing

·         Minimum preparation time for surface repair

·         High adhesive properties

·         Firm patch

·         Resistant to stripping of water

·         Bonds well with cool, damp surfaces.



BS group Bitumen Emulsion RS2 is ideally suited for Patch Repairing & Pot Hole Repairing. You will see more information about applications of this product below:

The procedure consists of

  • Blow off water and debris from the pot hole.
  • Cut to rectangular shapes with all sides vertical
  • Remove loose material, if any
  • Spray track coat of asphalt emulsion on all the side and bottom
  • Mix prepared of clean (preferably washed) and dry aggregates with HPCPL MS cationic bitumen emulsion
  • Typically 13.2 mm and 11.2 mm sized aggregates mixed in 2:1 ratio
  • HPCPL MS cationic bitumen emulsion content of approximately 7% by weight of aggregates works best
  • Mix aggregates and emulsion properly to ensure good and uniform coating
  • Mix till entire emulsion is broken (turn to black in color)
  • Fill the premix immediately into the pot hole up to a level slightly higher than the adjoining road surface and roll properly
  • Open the repaired pot hole to traffic as soon as workers and equipment are clear

For economical and fast construction of wearing course, emulsion is used for Premix Carpet. Ministry of Road Transport & Highway (MORTHEH) has also recommended use of emulsion for this application in their clause 506.2. A track coat is applied on the cleaned surface. The cold mix is prepared as per the above method and spread over the surface followed by either liquid seal coat or a premix seal coat.

 Recommended rate of application

Typical rate of application of BS group Bitumen Emulsion MS for Patch Repairing/Pot Hole Repairing is 7 % by weight of aggregates.


To ensure best results

·         Use without diluting Bitumen Emulsion with any solvent or water

·         Use at ambient temperature

·         Roll the Bitumen Emulsion drums 5 times before using


Handling and safety

·         Contains petroleum distillate; flammable: keep away from open fire, sparks or other ignition sources; wear protective clothing, gloves and goggles.

·         Fire flammable when wet, flash point 40°C.

·         Skin –avoid repeated or prolonged contact, if occurs remove with hand cleaner that removes oil or grease, then clean with soap and water.

·         Eyes contact could cause irritation, if contact occurs flush immediately with clean water Inhalation can cause dizziness, move immediately in fresh air if dizzy and if breathing difficulty persists administer oxygen.



Tools: Clean with kerosene.

Hands: Use a hand cleanser or kerosene followed by soap and water.



BS group Bitumen Emulsion RS1 is available in:

·         Bulk

·         MS / HDPE (RC) Drums 200 kg

·         MS / HDPE (New) Drums 200 kg


Production Standard

IS 8887: 2004