PERMEABLE WATER CUT-OFF AGENT,WATER CUT-OFF MATERIAL, CONCRETE OR MORTAR COMPOSITION, AND METHOD FOR PREVENTING WATER LEAKS

摘要

The present invention is to provide a water cut-off agentcapable of being applied in a simple manner and having excellentcut-off capabilities. The permeable water cut-off agent of thepresent invention comprises, as the essential components, ahydrophilicresinandagellantfortheresin. It maybewrappedwith a water-pervious material, or may be mixed with water forspread, or may be impregnated into films or spongy substances.Mixing the permeable water cut-off agent of the presentinvention with a cement or mortar composition gives waterproofconstruction materials.