Good thermal shock stability
Chemically stable
Wear-resistant and fire-resistant
Selected high quality mineral source, after strict sorting, good particle gradation ,so the surface layer shell of precision casting is good strength and air permeability.Strict control of impurity standards,so the product can meet the strict requirements of precision casting in aerospace industry. Also used for precision casting molding sand, precision enamel, flash dry grain ceramics, zirconium silicate balls, refining chemical zirconium and so on.
The packing specification is 40.0±0.1 kg/bag or 2 tons/bag.
Items | Typical specifications |
(ZrO2+HfO2),% | ≥65.0 |
Fe2O3,% | ≤0.15 |
Fe2O3,% | ≤0.20 |
Fineness,mesh | 80~150 |