BK03 Shock Water Cutter Admixture Definition It is a set accelerator additive that provides buffer against water leaks and has metal salts which are compatible with the inorganic chemistry of concrete. Areas of Use • Sprayed mortar and concrete (shotcrete) coatings • To prevent water leaking and stop pressure water from bottom and side walls of structure built underground water level such as foundations, tunnels, basement floors and water reservoirs. • Used to reinforce and chamfer weak surfaces and corners that might leak, or to dry a surface immediately. Specifications • Effects only cement. • Allows the cement to set up at 15-40 seconds. • Setting rate of BK03 added cement, passes penetration rate of water.