EpoxAcast 650 and EpoxAcast 650 BLACK are mineral filled general purpose casting epoxies that are low cost and versatile. They feature a low mixed viscosity for minimal bubble entrapment. Choose Fast, Medium or Slow catalyst to fit your project. You can also use HT Hardener to give your castings higher heat resistance. EpoxAcast 650 and EpoxAcast 650 BLACK are used for making hard dies for metal stamping as well as patterns and fixtures. They are also used for electrical encapsulation to extend the life cycles and enhance the performance of potted electronic devices. The high compressive strength of EpoxAcast 650 and EpoxAcast 650 BLACK makes them ideal for making stamping dies for production pressing of metal ornaments.