This is a Experimental Hardness.That is between Monu-melt Hard and Extra Hard.
Monu-Melt™ (Meltable Clayette) Monu-Melt™ brings all of the qualities of Clayette – a sulfur-free, non-hardening, tack-free, odor-free, and flexible clay – into a formula that can be melted and applied to a CNC foam armature by brush. By popular demand this material has been introduced in a Dark Forest Green color.
Monu-Melt ™ will not oxidize and can be left out or heated and cooled repeatedly without any significant change. Will not dry or crack.