"Ask the Expert" offers FMT's audience a place to propose questions or describe problems, and obtain insight to possible solutions on issues that challenge their metalcasting knowledge or capabilities. Leveraging the expertise of ASK Chemical's professionals, the goal is to foster exchanges of ideas and solutions that advance knowledge and expertise in the metalcasting market.
Q Please explain the Free Radical Cure (FRC) process of core making?
A The FRC is a process that has some unique attributes. A significant one is that epoxy acrylic binders (at ASK Chemicals we call it “ISOSET™”) achieve an unlimited life for the sand mixture. As with many other cold box processes, the reaction between the part A and part B binder begins when the two are mixed....Read Full Answer