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Quartz - Fused Rod

Quartz - Fused Rods are amorphous forms of silicon dioxide made by fusing high-purity silica sand at high temperatures. They exhibit excellent thermal shock resistance, low thermal expansion and good chemical inertness. With 37 variations available, our extensive range of Quartz - Fused Rods offers sizes and lengths to cover diverse applications. These rods are used in semiconductor processing equipment, laboratory ware and optical fabrication. Their high purity and ability to withstand rapid temperature changes also makes them ideal for use as scientific apparatus and industrial processing components.
Formula: SiO₂
Diameter: 2.5mm
Length: 400mm
CAS Number: 14808-60-7
UOM Code: 180-041-71
SKU: 1000068488
Product Code: SI61-RD-000125

Tolerances

Rod
Diameter +20% / -10%
No Minimum order Despatch of products in stock within 48 hours Free technical support *Free delivery worldwide
$242.26
each
  • Buy 5 for $196.23 each and save 19%
  • Buy 10 for $179.28 each and save 26%

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Tolerances

Rod
Diameter +20% / -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 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
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