Alumina Crucible - Al2O3 Crucible

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Product Name: Alumina (Al2O3) Crucible

Bulk Density: ≥3.8g/cc

Fracture Toughness: 300MPa/cm3

Knoop Hardness: 2200

Appr. Poro Ratio: ＜0.1%

Thermal Expa Coeff.: 5.3

Thermal Conductivity Coeff.: 27

linear thermal Expa Coeff: 6.5~7x10-6mm/℃ (20-500℃); 6.5~8x10-6mm/℃(20-800℃)

Permittivity: 9-10(20℃)

Dielectric strength: 15Kv/mm

Max. Use Temp.: 1700℃

Working Temp.: 1650℃

Melting Point 2040 °C (3700 °F)

Boiling Point 2,977° C (5,391° F)

Exact Mass 101.948 g/mol

Monoisotopic Mass 101.94782 Da

Thermal Expansion 6.8 to 8.2 µm/m-K

Tensile Strength 210 to 290 MPa (Ultimate)

Thermal Conductivity 14 to 30 W/m-K

Young's Modulus 220 to 370 GPa

Poisson's Ratio 0.22 to 0.24

Electrical Resistivity 7 to 14 10x Ω-m

Specific Heat 870 to 940 J/kg-K