Cationic 70

CE marked Surface Dressing Emulsion

Cationic 70% is a CE marked Surface Dressing Emulsion produced by COLAS Bitumen Emulsions in accordance with IS EN 13088:2013 Bitumen and Bituminous Binders – Framework For Specifying Cationic Emulsions.

Cationic 70% complies with TII Specification; Table 15 of Specification for Road Works Series 900 – Road Pavements – Bituminous Materials (CC-SPW-00900)


Cationic 70

Cationic 70%:

  • Our standard rapid-setting surface dressing emulsion and is ideally suited for use on regional and local roads;
  • Is also the best option for sealing recycled pavements and unbound aggregate overlays (i.e. Clause 804 or Clause 806); and
  • Can be applied earlier and later in the season than polymer emulsions, as it can be applied in damper and cooler conditions.

Composition 160-220 pen bitumen, water bitumen emulsifiers, adhesion agents and fluxant.
Temperature Application temperature 80-85°C.

  • Store in Insulated, heated tanks with thermostatic control.
  • Storage temperature 40-70°C for long term storage, protect from frost.
  • Before spraying heat to 80-85°C and circulate.
  • Precautions non-flammable but will boil and develop steam pressure above 90°C.

  • Cationic 70% should be sprayed using purpose built Emulsion sprayers properly maintained and calibrated in accordance with BS1707 and EN12272-1.
  • Application rates should be designed to suit the particular circumstances of the site.
  • COLAS Bitumen Emulsions technical staff are available to advise on the application of all our binders.
  • Best results in surface dressing will be achieved during the main spraying season April- September.

Bitumen Emulsions