Products Information
Zirconia
Description
Tomoe is able to offer you various types of zirconia materials, such as fused zirconia melted zircon sand electrically in arc electric furnace, stabilized zirconia for restraining volume fluctuation by adding stabilizer at fusing process, zirconia compounds made by chemical manufacturing method.
Application
(1) Refractories: Materials for zircon bricks, immersion nozzles, tundish nozzles(2) Pigment: Materials for color-generating base materials of ceramic pigment for red, blue and yellow
(3) Ceramics: Materials for fine ceramics products, such as crushing media
Product Line Up
| Grade | Monoclinic zirconia | Ca-stabilized zirconia |
|---|---|---|
| ZrO2 ＋ HfO2 | 98.5％ min. | 94.0％ min. |
| CaO | 0.30％ max. | 3.3-4.2％ max. |
| Fe2O3 | 0.15％ max. | 0.15％ max. |
| TiO2 | 0.30％ max. | 0.30％ max. |
| SiO2 | 0.30％ max. | 0.40％ max. |
| Al2O3 | 0.30％ max. | 0.40％ max. |
| MgO | 0.05％ max. | 0.10％ max. |
| Yttria stabilized zirconia | ||||
|---|---|---|---|---|
| Grade | 3mol% | 3mol% | 3mol% | 8mol% |
| Coarse | Spray-Dried | Lower BET | Spray-Dried | |
| Binder | None | None / With | None / With | None |
| Zr(Hf)O2 % min. | 94.6 | 94.6 | 94.6 | 86.4 |
| Y2O3 % | 5.15±0.2 | 5.15±0.2 | 5.15±0.2 | 13.3±0.4 |
| LOI % max. | 1.0 | 1.0 / 3.5 | 1.0 / 3.5 | 1.0 |
| BET (m2/g) | 8-20 | 15-20 | 8-10 | 15-20 |
| D50 | 0.7-10 | 0.2-0.6 | 0.2-0.6 | 0.2-0.6 |
| Zirconium oxychloride | ||
|---|---|---|
| Grade | Regular products | High purity products |
| ZrO2+HfO2 | 35.5% min. | 36.0% min. |
| Fe2O3 | 20ppm max. | 8ppm max |
| SiO2 %≤ | 50ppm max. | 50ppm max. |
| Na2O %≤ | 20ppm max. | 15ppm max. |
| TiO2 %≤ | 10ppm max. | 5ppm max. |
Above data are typical specification each grade. Please inquire us your request for modifying chemical compositions.
Tomoe can supply products of designated particle size by packing with requested style.
Inquiry
Industrial Materials Dept. Section-1
19F Osaki Bright Core,
5-15, Kitashinagawa 5-chome, Shinagawa-ku, Tokyo 141-0001, Japan
TEL:(3)3442-5145 FAX:(3)3442-5175