Colbond 50

Polymer Modified Bond Coat Emulsion

Colbond 50 is a CE marked Polymer Modified Bond Coat Emulsion produced by COLAS Bitumen Emulsions in accordance with BS EN 13808:2013 Bitumen and Bituminous Binders – Framework for specifying Cationic Bituminous Emulsions


Colbond 50

Colbond 50:

  • Is a Premium polymer modified bond coat especially designed for bonding of macadam courses and more generally road maintenance.
  • Is a Bond coat binder suitable for use on all pavement layers.
  • Polymer modification provides stronger adhesion between asphalt layers.
  • Provides excellent sealing and bonding between layers.
  • Quick break emulsion to reduce pickup on paving equipment
  • 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, block co-polymer and fluxant.
  • Application temperature 65-75°C

  • Store in insulated, heated tanks with thermostatic control.
  • Storage temperature 40-60°C for long term storage, protect from frost.
  • Before spraying heat to 65-75°C and circulate.
  • Precautions non-flammable but will boil and develop steam pressure above 90°C .

  • Colbond 50 should be sprayed using purpose built Emulsion Sprayers properly maintained and calibrated in accordance with BS1707 and EN12272-1.
  • COLAS Bitumen Emulsions technical staff are available to advise on the application of all our Binders.

Bitumen Emulsions