素材
striker
Japanese: ストライカー
Glass containing metal colloids such as Au, Cu, and Ag; when heated, metal nanoparticles precipitate and cause a color change. Depending on the conditions, the color changes from red to brown to black. Time is the dominant factor, rather than temperature.
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Striker is a type of glass that contains metal colloids—such as gold, silver, and copper—and produces color when heated (struck) to a specific temperature, causing the metal nanoparticles to precipitate.
Color development is determined more by holding time than by temperature, and the color changes from red to brown to black depending on the conditions. The color changes significantly between before and after firing.
This entry is written in Japanese by Rei Chikaoka and translated for readers outside Japan. If something reads oddly, the original is the source of truth.