Sika Viscocrete 20 HE is designed to work on a combination of electrostatic adsorption and steric repulsion effects allowing solid particles to be effectively dispersed.therefore a high level of fluidity and plasticising can be reached with a high water reduction which provides many advantages. Precast concrete, fast-track concrete, in situ concrete requiring fast stripping time, self compacting concrete (SCC). Packing 1000,litres IBC, 200,litres, 25 litres kg