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Capillary Tubing

Bundled assembly


Fiberguide’s fiber optic capillary tubing is drawn to tight tolerances and is especially suited for medical devices and bioanalytical instruments. These capillaries are coated with polyimide for mechanical stability and versatility.

  Spec Sheet    

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Fiberguide’s fiber optic capillary tubing uses polyimide coating to provide exceptional durability and resistance to abrasion.

Drawn to extremely tight tolerances, we have fine dimensional control.

This tubing is thermally stable and chemically resistant, allowing for use in a variety of demanding applications and harsh environments.

This product is popular for use in medical devices and bioanalytical instruments.


  • Medical Devices
  • Bioanalytical Instruments

  • Pure Fused Silica Construction
  • Outside Diameters: 90µm – 435µm
  • Inside Diameters: 2µm – 320µm
  • Coating: Polyimide
  • Temperature Range: -190°C to +350°C / -310°F to +662°F
Please see the Spec Sheet for further information.

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