- Color Code: 51105
- The Softest Bambu TPU
- The Best Choice for Impact Absorption
- Exceptional Wear Resistance for Lasting Performance
- Multi-Material Printing with PLA / PETG
- Includes High Temperature Reusable Spool
- Diameter: 1.75mm +/- 0.05mm
- Must dry out before use
- AMS HT Compatible
- AMS 2 Pro, AMS, AMS lite NOT Compatible
Looking for other products of Bambu Lab?
Frequently bought together with Bambu TPU 90A Filament
Description
Bambu TPU 85A & TPU 90A Overview
The softest Bambu TPU has arrived. Designed for outstanding flexibility and resilience, Bambu TPU 85A & 90A are ideal for parts that require cushioning and impact absorption, such as grips, shock absorbers, and protective cases.
Bambu TPU 90A also supports seamless dual-material printing with all Bambu PLA and PETG series through beam interlocking in compatible dual-nozzle printers, enabling the fusion of rigid and soft materials in a single print.
TPU 85A & 90A: Built for Impact Absorption
Engineered for both durability and flexibility, Bambu TPU 85A and TPU 90A excel in shock absorption and soft support applications.
They are well suited for padding, medical braces, protective gear, and other use cases where repeated compression and recovery are required.
TPU 85A – Maximum Softness
As the softest filament in the Bambu TPU lineup, TPU 85A delivers exceptional elasticity and rebound performance.
It is ideal for impact-absorbing parts such as protective cases, soft cushioning components, squishy fidget toys, and other applications that prioritize comfort and deformation recovery.
TPU 90A – Strength with Flexibility
With increased hardness and improved structural integrity, Bambu TPU 90A is designed for functional parts that require both flexibility and strength.
Typical applications include shoe soles, RC tires, and durable components that must withstand mechanical stress while remaining elastic.
Seamless Multi-Material Printing
Bambu TPU 90A seamlessly prints with all Bambu PLA and PETG series, enabling flexible and rigid materials to be combined in a single model through beam interlocking in Bambu Studio.
From seat cushions and helmet padding to tool handles and hybrid functional parts, this capability allows precise control over stiffness and softness within one print.
Exclusive Single-Spool Gradient Aesthetic
Bambu TPU 90A Blaze & Frozen features a unique soft gradient effect that occurs only once per spool.
It is specially engineered for large, single-piece fashion items and wearables that require uninterrupted and seamless color transitions.
More Colors, More Creative Freedom
TPU doesn’t have to look purely functional. Bambu TPU 85A & 90A are available in a wide color range, including vibrant candy tones, translucent jelly shades, bold gradients, and everyday natural colors.
Whether printing phone cases, wearables, shoes, or handbags, you get the flexibility you need with a finish designed to stand out.
Wholesale & Private Label Services
We offer wholesale and private label (OEM) services for a wide range of 3D printing accessories, including build plates, hotends, and related components.
More Options
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 | H2 Series | 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 the
H2D Soft and Hard Filament Multi-Material Printing Guide
. - To keep your TPU prints clean and vibrant, we recommend avoiding dark-colored PLA as support material.
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. |
| H2 Series | • 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 1 kg filament spool.
Specification
Printer & Accessory Compatibility
| Printer Compatibility | TPU 85A | TPU 90A | Multi-material Printing with PLA / PETG |
| H2S | Compatible | Compatible | Not Supported |
| H2D / H2C | 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
| 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 |
| Build Plate | Smooth PEI Plate, Textured PEI Plate | |
| Glue | No Glue Required | |
| AMS / AMS Lite / AMS 2 Pro | Not Compatible | |
| AMS HT | Compatible, please read Wiki carefully for feeding instructions. | |
Bambu Lab TPU 90A White Filament with Spool
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