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Formula: SiO₂ 81/ B₂O₃ 13/Na₂O 4
Form: Rod
Material: Borosilicate Glass
Commodity: Glasses
Type: As-cut
Our Borosilicate Glass Rods are available in 23 size variations. Renowned for its minimal thermal expansion, exceptional chemical durability and superior heat resistance, borosilicate glass is the material of choice for various scientific apparatus, including labware and tubing. Additionally, it serves industrial purposes such as in light bulbs, cathode ray tubes and glass fiber insulation. With a range of diameters and lengths, our Borosilicate Glass Rods cater to diverse needs in prototyping and small-scale manufacturing across scientific and industrial sectors.
Technical Data Sheet Safety Data Sheet Tolerance Properties
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Tolerances

Rod
Diameter +20% / -10%

Material Properties for Glasses

Chemical Resistance
Element Value
Acids - concentrated 0
Acids - dilute 0
Alkalis 0
Halogens 0
Metals 0
Electrical Properties
Element Value
Dielectric constant 0
Dielectric strength( kV mm⁻¹ ) 0
Volume resistivity( Ohmcm ) 0
Mechanical Properties
Element Value
Poisson's ratio 0
Tensile modulus( GPa ) 0
Hardness - Knoop( kgf mm⁻² ) 0
Hardness - Vickers( kgf mm⁻² ) 0
Shear strength( MPa ) 0
Tensile strength( MPa ) 0
Fracture toughness( MPam(0.5) ) 0
Physical Properties
Element Value
Refractive index 0
Useful optical transmission range 0
Apparent porosity( % ) 0
Water absorption - saturation( % ) 0
Density( gcm⁻³ ) 2.23
Thermal Properties
Element Value
Melting point( C ) 0
Sublimation point( C ) 0
Upper continuous use temperature( C ) 0
Specific heat( J K⁻¹ kg⁻¹ ) 0
Thermal conductivity( W m⁻¹ K⁻¹ ) 0
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 0
Pultrusions
Element Value
Compressive strength( MPa ) 0

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