The finest glue available for bonding wood, stone, metal, ceramics, plastics and more! Coverage: 1/2oz. covers one square foot. ( coverage may vary depending on materials being bonded) Application: Typically one-sided. Open working time: 20 minutes or more. Clamping time: 90% 1-4 hours at 68 degrees. Fully cured in 24 hrs. Shelf life: Up to 3 yrs or more unopened. Up to one year or more after opening and resealing. ( Squeeze air from bottle to prolong shelf life)