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Description
1m Creality Capricorn Bowden PTFE Tubing for 1.75mm FilamentThis is, hands down, the single best PTFE Bowden tubing you can buy for your home 3D printer. 1. 9mm inner diameter, 4mm outer diameter for 1. 75mm filaments. Guaranteed to always be the right diameter, and perfectly round. Print flexible filaments without the binding up that happens with over diameter tubes. Data Sheet Additives Blue Color and Secret High Lubricity Additive Mixture Best For Chunky Filaments YES Best For Flexible Filaments YES Can See
This is, hands down, the single best PTFE Bowden tubing you can buy for your home 3D printer. 1.9mm inner diameter, 4mm outer diameter for 1.75mm filaments. Guaranteed to always be the right diameter, and perfectly round. Print flexible filaments without the binding up that happens with over-diameter tubes.
Data Sheet
| Additives | Blue Color and Secret High Lubricity Additive Mixture | |
| Best For Chunky Filaments | YES | |
| Best For Flexible Filaments | YES | |
| Can See Through | NO | |
| Pulling Friction♠ | 0.8 | |
| Color | Dark Blue | |
| Density (kg/m3) | 2300 +/-100 | |
| Hardness | 60-65 | |
| Inner Diameter (mm) | 1.90 +/- 0.05 | |
| Linear Thermal Expansion at 250 °C | 2.2-3.3% | |
| Material | Highest Quality Pure Virgin PTFE | |
| Melting Point (°C)♥ | up to 340 | |
| Outer Diameter | 3.95 +/- 0.05 | |
| Roundness (ϵ) | < 0.1 | |
| Stiffness§ | Medium High | |
| Thermal Conductivity (W/m-k) | 0.25 | |
| Wear Rate (gm/s) | 0.01 | |
| Young's Modulus (GPa)¥ | 0.53 |
| ♠Pulling Friction is calculated as the average force required to pull 1.2 meters of 1.75mm PLA filament through 1 meter of tubing at a constant speed, relative to 1 meter of cheap white reference tubing. Note that although we observed the friction of the TL series to be about the same or even slightly lower than our XS series, it also has a larger internal diameter. |
| §Other Bowden tubes may vary significantly in stiffness, depending on the material from which they're made. Our tubing generally tends to be more flexible than most, with the TL being more flexible than XS. |
| ¥Young's Modulus (YM) is the measure of elasticity of the material. Our XS Series additives give the PTFE a slightly greater YM than the TL Series. |
| ♥Temperatures were approximated by heating samples of all tubing simultaneously, observing how quickly each one began to deform. Printer failures may happen at significantly lower temperatures. |
| Printing high temperature materials may create dangerous off-gassing. Please refer to the Safety Page. |
For more detailed specifications please visit https://www.captubes.com/specs.html
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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4.2 ★★★★★
Based on 1995 reviews
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Product Reviews
★★★★★ 5
Aggressive chewer puppy approved
Color: Cinamutt Roll - Large, Size: Large
My aggressive chewer puppy loves this. It is pretty sturdy. He hasn't destroyed it yet and he's had it for over 3 months now.
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Reviewed in the United States on March 10, 2026
★★★★★ 1
Pieces off in minutes.
Color: Origin - Large, Size: Medium/Large Dog
My pup chewed pieces off in minutes.
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Reviewed in the United States on June 6, 2026
★★★★★ 3
Pretty hard to clean
Color: Cinamutt Roll - Large, Size: Large
We've had this for about a week now. I have 2 dogs, one small one about 55lb. I bought this for my big girl, but lil man is determined to get the best of this toy. Usually they don't both go after the same toys, so this is interesting.
The trouble is, neither one of them can get all the treats out if something makes it all the way down into the crevice. It's surprisingly deep. The up side is that they'll try for quite a while before giving up. The down side is even if you put it in the top rack of the dishwasher, something stuck deep in there isn't going anywhere until you dig it out yourself.
I tried a plastic knife but it broke the second time I used it in there. I wound up using the metal handle of a reusable straw cleaner. Which then I had to wash that, too. Then it needs to dry overnight before it can be used again.
All in all, the dogs like it fine, it's gross to scrape out and wash, takes longer than most toys to dry, and I have the feeling that will eventually cause me to pass it to someone else's dog long before my two have gotten tired of it. At this point I'm pulling out of the toy rotation for a week or two because I'm not ready to clean it a third time.
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Reviewed in the United States on November 16, 2024
★★★★★ 5
Hyena Proof
Color: Acorn - Large, Size: Large
I have an American Bulldog that would chew a brick if he didn’t have an alternative lying around. They won’t last forever (nothing does) but we’ve had two of these over the course of a year and for him that is nothing short of a miracle. And that is daily chewing like it’s his job. I highly recommend the Acornucopia for aggressive chewers with jaws like hyenas…so it’s probably great for your dog too.
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Reviewed in the United States on June 7, 2026
★★★★★ 5
Love Barkbox!
Color: Comet - Small, Size: Small
I can't recommend Barkbox Super Chewer dog toys enough for those that have a pet that loves to chew. They are durable!!
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Reviewed in the United States on April 24, 2026