POLYUREA SYSTEM REPAIRING AGENT AND WATERPROOFING METHOD USING THEREOF

摘要

PURPOSE: A polyurea-based repair composition and a waterproofing method using thereof are provided to rapidly insert the composition to a base material with the low viscosity, and to improve the intensity of concrete. CONSTITUTION: A polyurea-based repair composition contains the following: an A agent including 40~50 parts of polymeric MDI by weight, 25~35 parts of polyol by weight, and 20~30 parts of butyl acetate by weight; and a B agent including 30~40 parts of polyoxypropylene diamine by weight, 40~50 parts of diethyltoluenediamine by weight, and 25~35 parts of polyether polyol by weight.