AptiCem Hydrolock Ultra – a free-flowing powder additive

AptiCem Hydrolock Ultra 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.

It should be added to the powder blender following the addition of sand and cement to ensure homogeneity.



AptiCem Hydrolock has been specifically developed to provide 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