MarkeTech Sapphire (Aluminum Oxide - Al2O3) Single Crystal

Seller in Shenzhen price: $2399 per MT
Seller in Chennai price: $1681 per MT
Seller in Tehran price: $1730 per MT
Seller in Chicago price: $1784 per MT

MarkeTech Sapphire (Aluminum Oxide - Al2O3) Single Crystal in Ceramic, Oxide

  • Physical Properties
  • Density
  • 3.98 g/cc
  • Water Absorption
  • 0.0 %
  • Solubility in Water
  • 0.0 %
  • a Lattice Constant
  • 4.765 Ã…
  • c Lattice Constant
  • 13.000 Ã…
  • Molecular Weight
  • 101.96 g/mol
  • Mechanical Properties
  • Knoop Microhardness
  • 1800
  • Knoop Microhardness
  • 2200
  • Hardness, Mohs
  • 9
  • Tensile Strength
  • 275 MPa @Temperature 600 °C
  • Tensile Strength
  • 345 MPa @Temperature 1000 °C
  • Tensile Strength
  • 400 MPa @Temperature 25.0 °C
  • Modulus of Elasticity
  • 345 GPa
  • Modulus of Elasticity
  • 352 GPa
  • Modulus of Elasticity
  • 379 GPa
  • Modulus of Elasticity
  • 386 GPa
  • Modulus of Rupture
  • 0.350 - 0.690 GPa
  • Flexural Strength
  • 2500 - 4000 MPa
  • Bulk Modulus
  • 240 GPa
  • Poissons Ratio
  • 0.25 - 0.30
  • Coefficient of Friction
  • 0.10
  • Coefficient of Friction
  • 0.15
  • Thermal Properties
  • CTE, linear
  • 5.00 µm/m-°C @Temperature 50.0 °C
  • CTE, linear
  • 6.67 µm/m-°C @Temperature 50.0 °C
  • CTE, linear
  • 8.31 µm/m-°C @Temperature 20.0 - 1000 °C
  • CTE, linear
  • 8.40 µm/m-°C @Temperature 20.0 - 1000 °C
  • CTE, linear
  • 9.03 µm/m-°C @Temperature 20.0 - 1000 °C
  • Specific Heat Capacity
  • 0.105 J/g-°C @Temperature -182 °C
  • Specific Heat Capacity
  • 0.761 J/g-°C @Temperature 17.9 °C
  • Thermal Conductivity
  • 23.1 W/m-K
  • Thermal Conductivity
  • 25.2 W/m-K
  • Melting Point
  • 2040 °C
  • Maximum Service Temperature, Air
  • 1800 °C
  • Optical Properties
  • Refractive Index
  • 1.586 @Wavelength 5777 nm
  • Refractive Index
  • 1.633 @Wavelength 4255.3 nm
  • Refractive Index
  • 1.702 @Wavelength 3032.6 nm
  • Refractive Index
  • 1.732 @Wavelength 2249.2 nm
  • Refractive Index
  • 1.743 @Wavelength 1693.2 nm
  • Refractive Index
  • 1.753 @Wavelength 1128.6 nm
  • Refractive Index
  • 1.755 @Wavelength 1013.9 nm
  • Refractive Index
  • 1.757 @Wavelength 894.4 nm
  • Refractive Index
  • 1.763 @Wavelength 706.5 nm
  • Refractive Index
  • 1.765 @Wavelength 579.0 nm
  • Refractive Index
  • 1.770 @Wavelength 546.0 nm
  • Refractive Index
  • 1.785 @Wavelength 404.6 nm
  • Refractive Index
  • 1.793 @Wavelength 365.0 nm
  • Refractive Index
  • 1.798 @Wavelength 346.6 nm
  • Refractive Index
  • 1.809 @Wavelength 313.0 nm
  • Refractive Index
  • 1.824 @Wavelength 280 nm
  • Refractive Index
  • 1.833 @Wavelength 265 nm
  • Transmission, Visible
  • 85 % @Wavelength 380 - 700 nm, Thickness 1.00 mm
  • IR Transmittance
  • 70 % @Thickness 1.00 mm, Wavelength 5500 nm
  • IR Transmittance
  • 85 % @Wavelength 750 - 5000 nm, Thickness 1.00 mm
  • UV Transmittance
  • 50 % @Thickness 1.00 mm, Wavelength 200 nm
  • UV Transmittance
  • 60 % @Thickness 1.00 mm, Wavelength 280 nm
  • UV Transmittance
  • 80 % @Wavelength 300 - 400 nm, Thickness 1.00 mm
  • Reflection Coefficient, Visible (0-1)
  • 0.14 @Wavelength 1000 nm
  • Electrical Properties
  • Electrical Resistivity
  • 1.00e+11 - 1.00e+16 ohm-cm @Temperature 20.0 - 500 °C
  • Dielectric Constant
  • 9.4
  • Dielectric Constant
  • 11.5
  • Dielectric Strength
  • 4.00 kV/mm
  • Dissipation Factor
  • 0.0001
  • Descriptive Properties
  • Crystal Structure
  • Hexagonal

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Andrey Kutuzov

University of Córdoba (Spain), email: [email protected]

Work with plastics from August, 2015

4 prices for MarkeTech Sapphire (Aluminum Oxide - Al2O3) Single Crystal

Seller from Shenzhen – 2021-04-12:

Seller from Shenzhen work with company: ChevronTexaco Corp, 3M, SABIC Innovative Plastics (GE Plastics), ALIMEX GmbH

Price: $2399 per MT

Seller from Chennai – 2021-03-27:

Seller from Chennai work with company: 3M, Solvay, SABIC Innovative Plastics (GE Plastics), ALIMEX GmbH

Price: $1681 per MT

Seller from Tehran – 2021-03-04:

Seller from Tehran work with company: RTP Company, Teknor Apex Company, SABIC Innovative Plastics (GE Plastics), ALIMEX GmbH

Price: $1730 per MT

Seller from Chicago – 2021-07-11:

Seller from Chicago work with company: Solvay, RTP Company, SABIC Innovative Plastics (GE Plastics), ALIMEX GmbH

Price: $1784 per MT

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