GU-250 UNDERWATER EPOXY is a 100% Epoxy-Amine type curing agent especially formulated for use to cure at high humidity, low temperature (down to 5°C) and underwater. It has excellent chemical resistance and low water miscibility. It renders excellent adhesion and bonding capabilities designed for the all around remedy of structural concrete defects and flaws through pressurized injection and grouting and for other marine applications. It may be applied even on damp surfaces or even during cold conditions.