Devcon® epoxy adhesive cures and joins materials together by a chemical reaction between the resin and hardener. This reaction results in a high strength bond that is resistant to most chemicals. Use Devcon® epoxy adhesive for household, industrial, jewelry making, repairs, crafts, or for any job that requires a high-strength, high-quality bond. Works best on metals, wood, concrete, glass, ceramics, china, and much more. 2-Ton Epoxy sets in 30 minutes with strength up to 2,500 lbs. per square inch. Dries clear; waterproof. Includes: (2) 1/2 oz tubes of epoxy. *Avoid contact with skin and eyes. Do not ingest. Keep out of reach of children.