Improving performance of Jewelry investment powder

In each step of manufacturing jewelry, there are many factors that can adversely affect quality. Because of this, process control is very important. The investing process is one of those steps in which process control is vital. Multiple process factors will be focused on including water quality, the temperature of the water and of the powder, and the water-to-powder mixing ratio. This paper will show how dependent the properties, and thus the performance, of gypsum-based investment are to these factors.