|Monthly Tech-Tip |
This is CMC 35g/liter gum solution after it has been hot-mixed (using a mixer powerful enough to put plenty of energy into the solution without sucking air bubbles) and cooled to about 30C. As it cools further and sits it will thin and can be poured. However many gum solutions have a higher CMC content, up to double this.
CMC gum is indispensable for many types of ceramic glazes. It is a glue and is mainly used to slow drying and improve adhesion and dry hardness.