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Dark blue PTFE tube, one metre long, 1.9 mm inner diameter, 4.0 mm outer diameter

CAPRICORN

CAPRICORN XS Series PTFE Bowden Tubing 1.75mm 1m 1.9mm ID Dark Blue

SKU CH-CR8K-VA6KJ

One metre of dark-blue PTFE Bowden tubing with a 1.9mm ± .05mm inner diameter and friction-reducing additives for reliable 1.75mm flexible-filament printing

  • 9 mm ± .05 mm inner diameter keeps flexible 1.75 mm filament on track
  • Proprietary friction-reducing additive cuts retraction distance and print time
  • Dark blue XS series runs hotter than TL tubing for high-temperature materials
  • One metre of 4.0 mm OD PTFE fits standard Bowden couplers
  • Lower friction means less extruder wear and fewer clogs with filled filaments

Precision Bowden tubing for flexible filaments

Capricorn XS Series PTFE tubing is engineered for Bowden-driven 3D printers that run 1.75mm filament. The proprietary high-lubricity additive cuts friction to the lowest level on the market, giving softer and flexible materials a smoother path from extruder to hot-end. One metre of dark blue tubing ships ready to cut to length.

Check hot-end and coupler compatibility

Verify that your printer uses 4.0mm outside-diameter PTFE tubing and that the PTFE coupler or pneumatic fitting accepts a 1.9mm ± .05mm inner diameter. The tighter bore reduces wiggle room for flexible filaments but requires a matching hot-end bore and secure seating to prevent leakage at temperature. Measure existing tubing before ordering to confirm the outer diameter matches.

Sustained high-temperature printing behaviour

XS Series tubing is rated to operate at even higher temperatures than the TL series, so it maintains dimensional stability during long prints with abrasive or chunky composites such as woodfill or ironfill. Lower friction translates into reduced retraction distance and less wear on the extruder drive gears over extended runs. Consistent inner diameter minimises clogging risk when printing for hours at elevated nozzle temperatures.

商品特色

  • 9 mm ± .05 mm inner diameter keeps flexible 1.75 mm filament on track
  • Proprietary friction-reducing additive cuts retraction distance and print time
  • Dark blue XS series runs hotter than TL tubing for high-temperature materials
  • One metre of 4.0 mm OD PTFE fits standard Bowden couplers
  • Lower friction means less extruder wear and fewer clogs with filled filaments

商品規格

BrandCapricorn
ModelXS Series

商品問答

What comes in the box and do I need to buy fittings separately?

The package contains one metre of dark-blue PTFE tubing with a 1.9 mm inner diameter and 4.0 mm outer diameter. Fittings or couplers are not included and must be purchased separately if your printer does not already have them.

How do I know the XS series is the right choice instead of another Capricorn line?

The XS series is formulated for softer 1.75 mm filaments and runs at higher temperatures than the TL series. Its 1.9 mm ± 0.05 mm bore and added lubricity give tighter filament control for flexible or filled materials.

What does the 1.9 mm inner diameter actually do when the tubing is installed?

The tighter 1.9 mm bore reduces filament wiggle, lowering retraction distance and friction. This improves response on Bowden printers, cuts extruder wear and helps prevent clogs with woodfill, metalfill or flexible filaments.

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