-Zircon（ZrO2･SiO2）is one of our original materials with good thermal shock resistance.
-It is a mixture of zircon and cordierite. It has better thermal shock resistance and stabler firing shrinkage than other competitors.
Pros
-High thermal shock resistance
-Low thermal expansion
-Smooth surface
-self grazed body
-Stain resistance
-Milky white color
Usage
-Heat-resisting parts
-parts that needed low thermal expansion
-Halogen light part
Properties
| Characteristic | Value |
| Nishimura No. | N-32 |
| Main components | ZrO2・SiO2・-2MgO･2Al2O3･5SiO2 |
| Bulk specific gravity | 3.6 |
| Water absorption | < 1.0% |
| Bending strength | 120MPa |
| Dielectric constant | 6.5（1MHｚ） |
| Dielectric loss tangent | 5.0×10-4（1MHz） |
| Thermal expansion coefficient | 3.5×10-6/℃ |
| Thermal conductivity | 1.3W/mK |
| Thermal shock resistance | 450℃ |