Aleene's Liquid Fusion Adhesive is a clear urethane glue that gives maximum strength. It is non-foaming, non-toxic, 100% waterproof, and fast drying. For use on wood, metal, stone, ceramic, fabric, and more. Conforms to ASTM D4236. Non-toxic. No clamping required. No dampening. Dries clear-no need to sand or stain! 2-4 hour dry time.