Page 8 of Hard Materials by Rado

we developed a great variety of colors apart from black white gold and platinum we currently offer high-tech ceramic watches in pink azure burgundy blue and metallic purple as well the raw material is ultra-fine zirconium-oxide or titaniumcarbide powder with a grain size of about 1/1000th mm approximately one fiftieth of the diameter of a human hair the powder is homogenized and granulated a process known as ceramics injection molding cim enables us to produce well-defined and highly complex shapes such as case or bracelet elements the pre-shaped forms are heated in a special furnace at a temperature of 1,450ºc this process is known as sintering and results in the full density and absolute hardness of all high-tech ceramic elements depending on the surface desired the individual elements are polished given a satin finish or further decorated brilliance tangible eternity

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