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The Ceramext® Technology
This method of ceramic production relies upon the plastic nature of certain materials that have been heated to about 1000°C, partially melted, and then pressed with about 1000-2000 psi. Generally, a cold steel die is used and as that die slightly expands from the heat of the ceramic, it facilitates the ejection of the hot-forged tile. With minor modifications, conventional green ceramic presses and electric or gas roller kilns can be used for hot forging. The raw materials for these ceramics can originate from most mine tailings, quarry fines, coal fly ash, or other waste materials. No binders are required and up to 100% of the waste material can be used. New advanced ceramic compositions using this hot-forging technology have also been patented.
