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Two-metre dark blue PTFE Bowden tube, 1.9mm inner diameter

CAPRICORN

CAPRICORN XS Series PTFE Bowden Tubing 2m 1.9mm ID 1.75mm Filament 3D Printers Accessories

SKU CH-KH7R-TARJD

Two-metre PTFE Bowden tube with 1.9 mm inner diameter and high-lubricity additives cuts friction and retraction time for flexible filaments

  • Lowest friction Bowden tubing on the market thanks to high lubricity additives
  • Less retraction time overall because each millisecond saved adds up
  • 9 mm inner diameter reduces wiggle room for reliable flexible filament printing
  • Operates at higher temperatures than standard TL tubing with high temperature resistance
  • Two metre length with 4.0 mm outer diameter fits 1.75 mm filament setups

Capricorn XS Series PTFE Tubing

Two metres of Capricorn's flagship XS series Bowden tubing is supplied in a dark blue colour. The tubing has a 1.9mm inner diameter with a tolerance of .05mm and a 4.0mm outer diameter. It is designed for 1.75mm filament and suits makers who want reduced friction in Bowden setups. The proprietary additive blend aims to deliver the lowest friction Bowden tubing on the market.

Thermals and Extruder Load

High temperature resistance allows the XS series to operate at higher temperatures than the manufacturer's TL tubing. Lower friction means the extruder motor exerts less force during retraction and forward feed. This reduces wear on the drive gears and lowers the chance of motor skipping steps. Less retraction distance saves milliseconds per move, which accumulates across a full print.

Sustained Printing Behaviour

The tight 1.9mm inner diameter minimises filament wiggle room, enabling reliable printing of flexible materials over long jobs. Reduced friction maintains consistent flow rates during extended prints with chunky composites such as woodfill or ironfill. Lower retraction requirements stay stable throughout the build, limiting clog risk and extruder slippage over many hours.

Points forts

  • Lowest friction Bowden tubing on the market thanks to high lubricity additives
  • Less retraction time overall because each millisecond saved adds up
  • 9 mm inner diameter reduces wiggle room for reliable flexible filament printing
  • Operates at higher temperatures than standard TL tubing with high temperature resistance
  • Two metre length with 4.0 mm outer diameter fits 1.75 mm filament setups

Caractéristiques

BrandCapricorn
ModelXS Series

Questions sur cet article

How do I install the 1.9mm ID tubing and what step do people get wrong?

Cut the 2 m length square, push it fully into the hot-end and extruder couplers until it bottoms out, then secure the collets; the common error is leaving a gap at the hot-end which causes heat creep and clogs.

What maintenance or replacement will the XS series tubing need later?

Inspect the 1.9 mm bore for discoloration or flattening after several hundred print hours; replace the 4.0 mm OD tube once the surface turns brown or the inner wall feels rough, as additives degrade over time.

What limit appears first during long, high-temperature prints?

The PTFE begins to soften above its rated range, so sustained printing at the upper end of the XS series temperature envelope will show inner-diameter deformation before the 2 m length is exhausted.

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