Does anyone know of a lighter weight substance that can be used in kiln operations to cure graphite rather than 12 pound ceramic blocks? Firing temps are up to 1500 degrees F.Or, is there a type of sagger box out there that is lighter that 15-18 pounds that can withstand these temperatures...
An even simpler item to use is Rubbermaid foam rubber shelf paper available just about anywhere. This is used in the physical therapy world as an inexpensive method of adapting everyday items like toothbrushes and hair brushes to those folks who have poor gripping abilities. It's usually...