The main purpose of corundum crucible is as a container for the analysis and firing of the total production and use of materials or products. Such as the use of coal analysis, metal analysis and melting, chemical raw materials analysis and firing, glass analysis and melting, rare earth and other raw materials and minerals analysis and firing, ceramic and other high-temperature products, firing, System and other industries.
Item Alumina Crucible


Chemical composition (%) Al2O3 99
R2O 0.2
Fe2O3 0.1
SiO2 0.2
Bulk Density g/cm2 3.80
Apparent porosity % 1
Bending strength Mpa 350
Compressive strength Mpa 12000
Dielectric constant 1MHz 2
Max service Temp 1800