AptiCem Hydrolock – a free-flowing powder additive

AptiCem Hydrolock is a free-flowing powder additive based on high molecular weight copolymers. It functions as a highly effective water retainer and rheology modifier for bagged mortars.


AptiCem Hydrolock provides high levels of water retention, sag resistance and longer open times in a wide range of applications such as:

  • Tile adhesives and grouts
  • Renders
  • EIFS mortars
  • Repair mortars
  • Bricklaying mortars