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Capricorn TL Translucent PTFE tubing for 1.75mm filament

Regular price $9.00 SGD
Regular price Sale price $9.00 SGD
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Capricorn's excellent quality translucent PTFE tubing, 2mm inner, 4mm outer diamter for 1.75mm filaments.

Produced from the finest pure virgin PTFE resin, guaranteed to always be the right diameter, and perfectly round.

Each meter of tubing comes with one Capricorn sticker to decorate your printer.

 Additives Colorants
Best for chunky filaments Yes
Best for flexibles filaments Yes
Can see through No
Pulling friction♠ 0.8
Translucent colors Light blue, pink, yellow, orange, green
Density (kg/m3) 2100 ± 100
Hardness 55
Inner diameter (mm) 2.05 ± 0.05
Outer diameter 3.95 ± 0.05
Linear thermal expansion at 250˚C 3.4–3.6%
Material Highest quality pure virgin PTFE
Melting point (˚C) ♥ around 300
Roundness (ε) < 0.1
Stiffness § Medium
Thermal conductivity (W/m-k) 0.25
Wear rate (gm/s) 0.01
Young's Modulus (GPa) ¥ 0.50

♠ Pulling friction is calcualted as the average force required to pull 1.2 meters of 1.75mm PLA through 1 meter of tubing at a constant speed, relative to 1 meter of cheap white reference tubing. Note that although Capricorn observed the friction of the TL series to be about the same or even slightly lower than the XS series, it also has a large internal diameter.

♥ Temperatures were approximated by heating samples of all tubing simulatenously, obseving how quickly each one began to deform. Printer failures may happen at significantly lower temperatures.

§ Other Bowden tubes may vary significantly in stiffness, depending on the material from which they're made. Capricorn tubing generally tends to be more flexible tha most, with the TL being more flexible than XS.

¥ Young's Modulus (YM) is the measure of elasticity of the material. Capricorn's XS Series additives give the PTFE a slightly greater YM than the TL series.