K1 70

Surface Dressing Emulsion

K1 70 is a CE marked Surface Dressing Emulsion produced by COLAS Bitumen Emulsions in accordance with BS EN 13808:2013 Bitumen and Bituminous Binders – Framework for specifying Cationic Bitumen Emulsions.


K1 70

Intended use:

  • Surface treatment as surface dressings, patching, repair of potholes and more generally road maintenance.
  • It is particularly suitable for sealing unbound granular materials and roads which have been recycled.
  • It incorporates specially developed adhesion agents to promote a good bond with the chippings.
  • It is suitable for use in repair applications using truck mounted Patching Units.
  • It is available ex works, delivered to customer’s tanks or can be sprayed using COLAS Bitumen Emulsions fleet of sprayers.

  • 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

  • K1 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