| 摘要 |
PURPOSE: Provided is a pigment made of ashes, which can be used for producing color glass directly or as a glass coloring agent or by using an ash pigment produced by binding chemically another glass coloring agent with oxidizing material. CONSTITUTION: The ash pigment is classified into first ashes produced by burning general material, second ashes produced by burning the first ashes at 1000deg.C or lower, and third ashes produced by burning material directly at 1000deg.C or lower without the processes of the first and the second ashes. And the ash pigment produced by binding the glass coloring agent, such as metal oxides and rock powder, with the ashes is classified into a first ash pigment produced by burning material with the coloring agent, a second ash pigment produced by burning the first ashes with the coloring agent at 1000deg.C or lower, and a third ash pigment produced by burning the third ashes with the coloring agent. |
