Convenient premeasured epoxy mixer cups contain resin and hardener in one convenient package. No guess, no mess, no waste. Ideal for bonding glass, hard plastics, rubber and metal. Bonds in 5-15 minutes, useable in 30 minutes. Grey adhesive has excellent chemical resistance. Fills porosities and can be used to build up worn parts. May be drilled, tapped, sanded, or machined and painted after cure.