Properly cut a fused silica capillary for CE - How To
Date: 11-APRIL-2012 Last Updated: 3-NOVEMBER-2025
A Recommended Cleaving or Cutting Procedure for Simplus Brand or any Bare Fused Silica Capillaries is as follows:
Cleaving Procedure:
A Recommended Cleaving or Cutting Procedure for Simplus Brand or any Bare Fused Silica Capillaries is as follows:
Cleaving Procedure:
- Place the Capillary over a large Diameter Radius Surface such as large pipe or tube.
- Keep the Capillary under slight Tension.
- Hold a fresh, Clean Cleaving Stone at an approximately 30º angle to the Capillary.
- Drag the edge of the Cleaving Stone across the Fiber penetrating the Polyimide Coating. Do not apply excessive Pressure.
- Pull the capillary HORIZONTALLY until it breaks (see illustration below).
- If the Capillary will not break, the Polyimide has not been properly cut.
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Repeat the above Steps.
