Abstract
The development of renovation system of bath, it had built in high economic growth period, is an urgent issue.In this report,we aim to develop renovation system of bath room with a dedicated regid urethane. We have developed regid urethane.It's Low-Odor snd Rapid-Curing system.And above all, it can be available for the material of apartment-bath renovation system, in addition to traditional epoxy system and FRP system methods.