Clark Borosilicate Double Barrel Special

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Description

The properties of borosilicate glass make it the most popular material among researchers for the fabrication of electrodes and micropipettes.

  • High quality borosilicate glass
  • Special two barrel combination:
  • one with filament, one without filament
  • Ratio of outside to inside diameters preserved up to the pipette tip after pulling

Clark micro-pipettes and micro-electrodes used primarily in intracellular and extracellular research. The low softening temperature combined with mechanical strength, chemical resistance, high electrical resistivity, and ability to withstand thermal stress make these capillaries the most widely used in the world. The end user can manufacture microelectrodes and micropipettes using standard pipette pulling and microforge techniques.

Composition 80.9% SiO2, 12.9% B2O3,
4.4% Na2O, 1.8% Al2O3
Softening Temp 815°C
Dielectric Const 4.7
Wall thickness: OD ratio 0.21
Tolerance ± 0.05 mm

Specifications of the Clark Borosilicate Double Barrel Special

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