99.7% alumina ceramic crucible/corundum crucible/alumina crucible

CUSTOMIZED ALUMINA CRUCIBLE FOR CHEMICAL APPLICATIONAlumina crucibles\' features:    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

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CUSTOMIZED ALUMINA CRUCIBLE FOR CHEMICAL APPLICATION
99.7% Alumina Ceramic Crucible/ Corundum Crucible/Alumina Crucible

Alumina crucibles' features:
    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

Product Description:
Arc Straight alumina ceramic crucibles' basic functions:
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.
MaterialUnitSteatite95% alumina ceramics99.5% alumina ceramics
DensityG/cm32.73.653.85
Highest application temperature°C110015001800
Bending strengthMpa150300340
Compressive strengthMpa90034003600
HardnessHV0.580018002000
Insulation breakdown strengthKV/mm101518
Processing technology
Process range(mm)
Outside Diameter1-300
Inside Diameter0.5-300
Length0.5-1200
Accuracy of working(mm)
Perpendicularity0.01
Concentricity0.01
Roundness0.005
Straightness0.005
Parallelism0.01
Planeness0.005
Roughness0.05
Fit clearance0.005

 

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