Bambu TPU 85A & TPU 90A

The softest Bambu TPU has arrived! Designed for exceptional flexibility and resilience, it's ideal for printing parts that require cushioning, such as grips, shock absorbers, and protective cases. Plus, Bambu TPU 90A seamlessly prints with PLA and PETG* through beam interlocking in dual-nozzle printers like Bambu Lab H2D, making the fusion of rigid and soft filaments a reality. Grab your long-awaited model files and start printing today!

* All Bambu PLA and PETG series support printing with Bambu TPU 90A.

TPU 85A & 90A: The Best Choice for Impact Absorption

Engineered for durability and flexibility, Bambu TPU 85A and 90A are the perfect filaments for shock absorption and soft support, making them ideal for applications like padding, medical braces, and protective gear.

Bambu TPU 85A – The softest in Bambu's lineup, offering exceptional flexibility and resilience. Perfect for impact-absorbing parts such as protective cases, squishy fidget toys, and soft cushioning elements.

Bambu TPU 90A – With a higher hardness, it provides greater structural integrity, making it ideal for shoe soles, RC tires, and functional components that require both flexibility and strength.

Both filaments deliver outstanding wear resistance, ensuring long-lasting performance even after repeated bending—making them the go-to choice for high-demand applications.

Seamless Multi-Material Printing: Strong in Structure, Soft to the Touch*

Bambu TPU 90A seamlessly prints with all Bambu PLA and PETG series, allowing you to create prints that combine flexible and rigid filaments through beam interlocking in Bambu Studio. From seat cushions and helmet padding to tool handles and beyond—design freely to achieve the perfect balance of stiffness and softness. Bambu Filaments empower you to expand the functionality of your prints.

* This function is exclusive to Bambu TPU 90A and compatible dual-nozzle printers like Bambu Lab H2D.

Exclusive Single-Spool Gradient Aesthetic

Bambu TPU 90A Blaze & Frozen achieves a unique soft gradient effect that only occurs once per spool. Specially engineered for printing large-scale, single-piece fashion items like wearables requiring uninterrupted color transitions.

Printer Compatibility

	TPU 85A	TPU 90A	Multi-material printing with PLA / PETG
H2D	Compatible (right filament inlet only)	Compatible (right filament inlet only)	TPU 90A Only
X Series / P Series	Compatible	Compatible	Not Supported
A Series	Not Compatible	Compatible	Not Supported

Accessory Compatibility

		TPU 85A	TPU 90A
Nozzle Compatibility	Recommended	0.6 mm / 0.8 mm	0.4 mm / 0.6 mm / 0.8 mm
Nozzle Compatibility	Not Supported	0.2 mm / 0.4 mm / High Flow Nozzle	0.2 mm / High Flow Nozzle
Accessory Compatibility	Build Plate	Smooth PEI Plate,Textured PEI Plate
	Glue	Bambu Liquid Glue / Glue Stick
	AMS, AMS lite, AMS 2 Pro	Not Compatible
	AMS HT	Compatible, please read Wiki carefully for feeding instructions.

TPU 85A & TPU 90A Hex Code Table

Color	Hex Code	Display
Light Cyan	#C3E2D6
Neon Orange	#F68B1B
Frozen	#FFFFFF;#40B6E4
Blaze	#F1AAA8;#D21B3C
White	#FFFFFF
Black	#000000

TDS of Bambu TPU 90A

Recommended Printing Settings
Drying Settings (Blast Drying Oven)	70 °C, 8 h
Printing and Keeping Container's Humidity	< 20% RH (Sealed, with Desiccant)
Nozzle Temperature	200 - 250 °C
Bed Temperature (with Glue)	30 - 35 °C
Printing Speed	< 200 mm/s

Physical Properties
Density	1.24 g/cm³
Vicat Softening Temperature	N / A
Heat Deflection Temperature	N / A
Melting Temperature	180 °C
Melt Index	9.36 ± 2.8 g/10 min

Mechanical Properties
Tensile Strength	12.5 ± 0.8 MPa
Breaking Elongation Rate	＞650 %
Bending Modulus	N / A
Bending Strength	N / A
Impact Strength	N / A

Downloads

TPU 90A Filament TDS

TPU 90A Filament MSDS

TPU 90A Filament RoHS

TDS of Bambu TPU 85A

Recommended Printing Settings
Drying Settings (Blast Drying Oven)	70 °C, 8 h
Printing and Keeping Container's Humidity	< 20% RH (Sealed, with Desiccant)
Nozzle Temperature	200 - 250 °C
Bed Temperature (with Glue)	30 - 35 °C
Printing Speed	< 200 mm/s

Physical Properties
Density	1.18 g/cm³
Vicat Softening Temperature	N / A
Heat Deflection Temperature	N / A
Melting Temperature	180 °C
Melt Index	8.76 ± 2.6 g/10 min

Mechanical Properties
Tensile Strength	12.0 ± 0.8 MPa
Breaking Elongation Rate	＞700 %
Bending Modulus	N / A
Bending Strength	N / A
Impact Strength	N / A

Downloads

TPU 85A Filament TDS

TPU 85A Filament MSDS

TPU 85A Filament RoHS

Printing Tips

• TPU 85A and 90A require highly precise printing conditions. Before printing, please carefully read the Printing Guide for TPU 85A & TPU 90A on the wiki to ensure the best results.

Drying conditions

Blast drying oven	H2D	X Series	AMS HT
70 ℃, 8 h	90 ℃, 16 h	90 ℃, 16 h	75 ℃, 18 h

• To avoid spool deformation that may prevent it from fitting into the dry box, please use a large dry box. For more details on filament drying conditions, please carefully read the filament drying section on the wiki.

Printing

• Increasing the max volumetric speed is not recommended. Please keep the default speed during printing.

• All the parameters of Bambu TPU 85A & 90A are already pre-set. Please turn off Flow Dynamics Calibration to match the fine-tuned setting.

• Bambu TPU 90A does not support printing with filaments other than the PLA and PETG series, and Bambu TPU 85A does not support full multi-material printing. For instructions on multi-material printing with PLA/PETG, please refer to H2D Soft and Hard Filament Multi-Material Printing Guide.

Filament unload

• For detailed filament unloading instructions, please refer to wiki.

X Series / P Series	• Do not press Unload when switching filaments, as this may cause uncut TPU residue to get stuck in the extruder. • Please heat the nozzle to 250°C, then control the extruder to retract and manually pull out the filament.
H2D	• Pressing Unload to enable auto-retraction is allowed. • Please maintain the filament cutter at the right inlet if printing TPU regularly, as it's more prone to wear out when printing TPU.

Gradient Length

• Please note that the gradient effect of Bambu TPU 90A Blaze and Bambu TPU 90A Frozen will appear only ONCE in a 1kg filament spool.

What's in the Box

Filament with Spool*1 & Desiccant*1

Package*1

TPU 85A

Bambu Lab TPU 85A / TPU 90A