These specially-formulated set-retarding additives are milled to a very small particle size, making them highly efficient, resulting in the opportunity to use lower doses. Effective in a wide range of products based on a variety of hydraulic binder systems and blends including screeds, Portland cement (OPC), high alumina cement (HAC / CAC) and calcium sulphoaluminate cement. Our Revokem range improves dispersion and reduces the potential for surface defects. Giving your customers greater open time, working time and setting time control in a variety of applications and conditions.