Crownweld GF is a 100%-solids, 100% reactive ultra-low-viscosity, moisture-tolerant, nonshrink penetrating epoxy crack sealer. The polymer has excellent adhesion to the substrate and cures under dry and damp conditions. It creates a high-strength adhesion that conforms to ASTM C 881 and AASHTO M-235 specifications. Crown Polymers. 888-732-1270. www.crownpolymers.com