Automotive Epoxy Putty is a fast setting, industrial strength compound that enables permanent repairs to anything made of steel or other metals. It does not shrink and is resistant to most common solvents. It can be sanded, drillerd and painted after 60 minutes. Each stick of putty contains pre-measured portions of resin and hardener throughout therefore no measuring or mixing tools are necessary. Both components react to produce a hard, tough, permanent and waterproof bond on a wide range of materials.