Technical Data Sheet
Safety Data Sheet
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Alumina Flat Bottomed Boat Crucible

The Alumina Flat Bottomed Boat Crucible is part of Goodfellow's range of crucibles. With 21 variations available, this crucible is made from high purity alumina and can withstand temperatures up to 1800°C. Its high temperature resistance and inertness makes it ideal for processes like melting metals or calcining powder samples. The flat bottom design provides a large flat surface that gives good thermal contact for conducting heat into the sample. Alumina crucibles are an essential tool in many materials science laboratories and industrial facilities.
Formula: Al₂O₃
Percentage Purity: 99.8%
Capacity: 27ml
External Height: 18mm
External Length: 82mm
External Width: 31mm
CAS Number: 1344-28-1
UOM Code: 989-937-51
SKU: 1000023077
Product Code: AL60-CB-000415

Tolerances

Flat Bottomed Boat
External Width ±10%
External Length ±10%
External Height ±10%
No Minimum order Approx. 2 weeks leadtime Free technical support *Free delivery worldwide
$85.33
each
  • Buy 5 for $69.11 each and save 19%
  • Buy 10 for $63.14 each and save 26%

Shipping restrictions and charges
may apply for some hazardous materials.

Tolerances

Flat Bottomed Boat
External Width ±10%
External Length ±10%
External Height ±10%
Technical Data Sheet
Safety Data Sheet

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Material Properties for Ceramics

Chemical Resistance
Element Value
Acids - concentrated Good
Acids - dilute Good
Alkalis Good
Halogens Good
Metals Good
Electrical Properties
Element Value
Dielectric constant 9-10.1
Dielectric strength( kV mm⁻¹ ) Oct-35
Volume resistivity( Ohmcm ) >10¹⁴@25
Physical Properties
Element Value
Apparent porosity( % ) 0
Water absorption - saturation( % ) 0
Density( gcm⁻³ ) 3.9
Thermal Properties
Element Value
Melting point( C ) 2100
Upper continuous use temperature( C ) 1700
Specific heat( J K⁻¹ kg⁻¹ ) 850-900@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 26-35@20°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 8@20-1000°C
Mechanical Properties
Element Value
Tensile modulus( GPa ) 300-400
Hardness - Knoop( kgf mm⁻² ) 2100
Hardness - Vickers( kgf mm⁻² ) 1500-1650
Shear strength( MPa ) 330
Tensile strength( MPa ) 260-300
Pultrusions
Element Value
Compressive strength( MPa ) 2200-2600
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