Koster SB Bonding Emulsion 'Concentrate' bonding additives from Projex Group are synthetic liquids that are solvent, plasticiser and filler free. These bonding additives are also water proof which means that after application they can't be washed off.

Koster SB Bonding Emulsion 'Concentrate' is recommended for use in the following ways:

  • A bonding between mortars, plasters, sealing slurries, concrete and existing mineral substrates
  • An additive to mineral systems to increase flexibility and elasticity and reduce water absorption
  • An additive to cured mortars and plasters making them more resistant to frost, salts and other aggressive substances
  • An additive to fresh mortars to improve their application properties