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Quartz - Fused Balls

Goodfellow offers Quartz - Fused Balls in 10 variations. They provide unique material properties like high heat resistance, low thermal expansion, and excellent transmission of ultraviolet light. Their applications include use in scientific lab equipment like ball mills and mixers as well as industrial processes like metal production and semiconductor manufacturing where their durability and chemical inertness are advantageous. The availability of multiple sizes and grades makes these fused quartz balls suitable for prototyping needs through high volume production.
Formula: SiO₂
Diameter: 3mm
Quantity: 100 Pcs
Type: Precision Sphere
Sphericity: 0.625µm
CAS Number: 14808-60-7
UOM Code: 188-840-80
SKU: 1000073438
Product Code: SI61-SP-000130

Tolerances

Balls
Diameter Standard ±5%
Diameter Precision See Item
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Tolerances

Balls
Diameter Standard ±5%
Diameter Precision See Item
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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