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Fused Quartz Classic Crucible - OD 36mm H 38mm

Details

SKU: 1000055956 Product Code: SI61-CB-000120
Fused Quartz Classic Crucible is a high-purity SiO₂ vessel designed for exceptional thermal stability, low thermal expansion, and high resistance to chemical attack. With a linear expansion coefficient around 0.6×10⁻⁶/°C, it withstands repeated cycling to temperatures above 1100 °C without warping or contaminating its contents. It is extensively used in the semiconductor, photovoltaic, and specialty glass industries for high-purity melting, crystal growth, and material synthesis. Key applications include the production of polysilicon ingots for solar cells via the Czochralski process, laboratory-scale high-temperature reactions, and specialty alloy melting. In research and innovation, fused quartz crucibles enable precise thermal processing where contamination control is paramount, supporting advances in clean energy, optoelectronics, and high-performance materials manufacturing. Its stability, purity, and mechanical integrity make it a critical asset in industrial and scientific operations.
Formula: SiO₂
Colour: Clear
Capacity: 20ml
Outside Diameter: 36mm
Height: 38mm
CAS Number: 14808-60-7
UOM Code: 159-552-52
Legacy Code: SI618620
Distributor Code:
GF15955252

Tolerances

Classic
Outside Diameter ±10%
Inside Diameter ±10%
Height ±10%
$191.00
each
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Material Properties

Chemical Resistance
Element Value
Acids - concentrated Good
Acids - dilute Good
Alkalis Fair
Halogens Good
Metals Fair
Electrical Properties
Element Value
Dielectric constant 3.8
Dielectric strength( kV mm⁻¹ ) 25-40
Volume resistivity( Ohmcm ) 10¹⁸@25
Physical Properties
Element Value
Refractive index 1.46
Useful optical transmission range 180-2500nm
Apparent porosity( % ) 0
Water absorption - saturation( % ) 0
Density( gcm⁻³ ) 2.2
Thermal Properties
Element Value
Melting point( C ) 1715
Upper continuous use temperature( C ) 1100-1400
Specific heat( J K⁻¹ kg⁻¹ ) 670-740@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 1.46@20°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 0.54@20-1000
Mechanical Properties
Element Value
Tensile modulus( GPa ) 72-74
Hardness - Knoop( kgf mm⁻² ) 820
Hardness - Vickers( kgf mm⁻² ) 1000
Shear strength( MPa ) 70
Tensile strength( MPa ) 48
Pultrusions
Element Value
Compressive strength( MPa ) 1100