PTFE tube 4mm/2.5mm for 3D printer Bambu Lab AMS 8m
Maximum smoothness of delivery: 4mm/2.5mm PTFE tube for Bambu Lab and AMS
Upgrade your 3D printer's filament delivery system with a premium PTFE tube. This accessory is designed to meet the specific requirements of Bambu Lab's high-speed printers and automatic material change systems (AMS). The increased inner diameter of 2.5 mm (versus the standard 2.0 mm) significantly reduces friction, which is critical for long and curved filament delivery paths.
Important advantage: The tube is made of high-quality PTFE (white/translucent), which provides the lowest coefficient of friction. This prevents plastic jamming and false print stops, unlike cheap transparent counterparts.
Why is this tube better than the standard one?
Choosing the right tube directly affects the print quality and stability of AMS operation.
- ✓ Reduced resistance to movement: The 2.5 mm inner diameter is ideal for printing even with imperfect rods or abrasive materials, minimizing stress on the extruder.
- ✓ Sensor Compatibility: The tube material (semi-transparent PTFE) works correctly with Bambu Lab filament resistance sensors. Completely transparent tubes often cause false "filament jam" events, stopping the print for no reason.
- ✓ Heat resistance: The tube withstands temperatures up to 240–260°C, which allows it to be safely used directly at the entrance to the hotend (unlike transparent FEP tubes, which melt at 200°C).
- ✓ Perfect for AMS: The AMS system has a long feed path with many bends. This tube is designed to allow the filament to slide through it "like butter".
Technical specifications
| Parameter | Value |
|---|---|
| Material type | PTFE (Polytetrafluoroethylene) |
| Outer diameter (OD) | 4 mm |
| Inner diameter (ID) | 2.5 mm (Reduced friction) |
| Operating temperature | up to 260°C |
| Color | White / Translucent (Milky White) |
| Compatibility | Bambu Lab X1, P1, A1, AMS, and other 1.75mm printers |
| Appointment | Filament feed, Bowden system, AMS |
| Length | 8 meters |
*Note: It is not recommended to use fully transparent tubing (FEP) for the internal parts of the hotend due to its low heat resistance. This PTFE tubing is safe for use in heating elements within the specified temperature range.
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