Durable and strong! The syringe keeps the epoxy resin and hardener separate, so it is easy to dispense. The 2-part, gap-filling formula bonds easily to a variety of surfaces. 0.85 oz. syringe with a cap, so it can be used multiple times. Sets in 5 minutes, cures in 24 hours to a clear finish. Use in a well-ventilated area. Conforms to ASTM D4236.