Corundum, whose name originated from India, is a mineralogy name. The hardness of corundum is second only to diamond. Corundum is mainly used for advanced grinding materials, and the combination of corundum mill jars and zirconia balls is a classic wear-resistant combination. Also, we need to remind our respected customers that although corundum jars have a high hardness, they are also fragile. Please prevent them from falling to the ground and engaging in high-intensity impacts during use to prevent breakage. We can customize vacuum tanks of various materials and models according to customer requirements.
Name: straight alumina crucibles
Chemical Composition Al2O3 ≥ 99
R2O ≤ 0.2
Fe2O3 ≤ 0.1
SiO2 ≤ 0.2
Volume density (g/cm2) ≥ 3.80
Apparent porosity (%) <1
Bending strength (Mpa)> 350
Compressive strength (Mpa)> 12000
Dielectric constant Σ (1MHz) 2
The highest operation temperature (°C) 1800
Best roast container for making powder TV, rare earth materials, precious metals, and roasting high, medium and low ceramic capacitors, NTC, PTC piezoelectric ceramic and lithium cobalt oxide, lithium manganese oxide powder.
1. High purity: Al2O3> 99%, good chemical corrosion resistance.
2. Good temperature endurance, long-term use at 1600 °C, 1800 °C short-term.
3. Good rapid thermal shock resistance, not easy to burst.
4. Slip Casting with high density.
