Five Star® LC Epoxy Grout (formerly Crane Rail Grout) is a highly flowable, non-shrink, rapid strength gain, epoxy grout for tight clearance applications and dynamic loads. It is a three-component, 100% solids epoxy system that exhibits positive expansion when tested in accordance with ASTM C 827 for precision grouting and alignment of crane rail. Five Star® LC Epoxy Grout has excellent chemical resistance.