Products Refractory Repair Materials Repair mixes, plastic masses, and maintenance materials for furnaces and casting units. Refractory Repair Materials Repair mixes, plastic masses, and maintenance materials for furnaces and casting units. Plastic Refractory MassesPlastic ramming / patching masses for hot and cold repairs.View Details →Monolithic Furnace RoofsMonolithic roof systems for furnace maintenance and rebuilds.View Details →Repair Mixes for EAFSpecialized gunning and patching mixes for electric arc furnaces.View Details →Olivine Starter SandOlivine starter sand for reliable casting start-up performance.View Details →