Cold-Setting Processes (No-Bake)

When cores and molds are produced without the need of drying or heating, the process is called no-bake process. The following technologies belong to this group of methods: furan acid catalyzed, phenolic–urethane no-bake (PUNB), resole ester (ALPHASET), and alkyd oil no-bake. A hardening time – in these technologies – varies from a few minutes to a dozen or so hours.