| CHEMICAL ANALYSIS | ||||||||
| Characteristic | Proportion (%) | |||||||
| ZrO 2 63% | ZrO 2 65% | |||||||
| ZrO 2 + HfO 2 | 63.0 min | 65.0 min | ||||||
| SiO 2 | 35.0 max | 31.0 max | ||||||
| TiO 2 | 0.50 max | 0.20 max | ||||||
| CaO | 0.30 max | 0.20 max | ||||||
| Fe 2 O 3 | 0.50 max | 0.20 max | ||||||
| P 2 O 5 | 3.00 max | 2.00 max | ||||||
| Al 2 O 3 | 5.00 max | 5.00 max | ||||||
| U + Th | 1000 ppm max | 1000 ppm max | ||||||
| PHYSICAL PROPERTIES | ||||||||
| Chemical formula: | ZrSiO 4 | Crystal system: | Tetragonal | |||||
| Colour: | White | Melting point: | 2200-2550 0 C | |||||
| Specific Gravity: | 4.7 - 4.9 | Flash point: | None | |||||
| Bulk Density: | 1200-1500 kg/m 3 | Exploration limit: | None | |||||
| Hardeness (Morh): | 7.5 | Volaties: | None | |||||
| Reactivity: | Inert | Solubility (water): | Insolution | |||||
Applicant: Foundries , Investment Casting Industries,Casting coatings. Special Refractories Industries,Refractory Castable. Ceramic Industries.
