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Description There has been many years of research and application for epoxy resin grouting material, hundreds of various of formula has been put forward, which mainly pursue the bonding strength of the body filled and the strength of the material after self-solidification ,usually ,their ability of transformation is poor . It is feasible for grouting where the temperature is basically constant. However, because the temperature expansion coefficient between the filling body and the epoxy resin solidification body is different, take the ferroconcrete for example: its temperature expansion coeffi